日 EN
MEMBERS

MEMBERS

Members

Hitoshi Kiya

Journal

  1. Hitoshi KIYA, Kouichi ITOH, Masahiko SAGAWA,
    "A Computing Method for Obtaining Derivatives of Denominator and Numerator of Network Functions with Respect to Elements and Sensitivity Analysis",
    Electronics and Communications in Japan, Part I, Vol. 69, No. 10, pp. 1-10, 1986-10-01.
  2. Hitoshi KIYA, Kiyoshi NISHIKAWA, Masahiko SAGAWA,
    "Property of Circular Convolution for Subband Image Coding",
    IEICE Trans. Fundamentals, Vol. E75-A, No. 7, pp. 852-860, 1992-07-01. [webpage]
  3. Hitoshi KIYA, Kiyoshi NISHIKAWA,
    "Development of Symmetric Extension Method for Subband Image Coding",
    Memoirs of Faculty of Technology, Tokyo Metropolitan University, 1993-01-01.
  4. Hitoshi KIYA, Mitsuo YAE, Masahiro IWAHASHI,
    "A Linear Phase Two-Channel Filter Bank Allowing Perfect Reconstruction",
    IEICE Trans. Fundamentals, Vol. E76-A, No. 4, pp. 620-625, 1993-04-01. [webpage]
  5. Hiroshi OCHI, Hitoshi KIYA, Youji YAMADA, Yoshitati TAKARA, Noriyoshi KAMBAYASHI,
    "A System Identification Using Alias-Free Maximally Decimated DFT-Bank",
    IEICE Trans., Vol. J76-A, No. 6, pp. 810-817, 1993-06-01. [webpage]
  6. Shogo MURAMATSU, Hitoshi KIYA, Masahiko SAGAWA,
    "Scale Factor of Resolution Conversion Based on Orthogonal Transforms",
    IEICE Trans. Fundamentals, Vol. E76-A, No. 7, pp. 1150-1153, 1993-07-01. [webpage]
  7. Hitoshi KIYA, Kiyoshi NISHIKAWA, Masahiro IWAHASHI,
    "A Development of Symmetric Extension Method for Subband Image Coding",
    IEEE Trans. Image Processing, Vol. 3, No. 1, pp. 78-81, 1994-01-01. [DOI] [webpage] [Publish]
  8. Shogo MURAMATSU, Hitoshi KIYA,
    "Extended Overlap-Add and -Save Methods for Multirate Signal Processing",
    Memoirs of Faculty of Engineering, Tokyo Metropolitan University, 1994-01-01.
  9. Shogo MURAMATSU, Hitoshi KIYA,
    "Resolution Conversion Method with Arbitrary Rational Values for Transform-Coded Images",
    Electronics and Communications in Japan, Part III, Vol. 77, No. 10, 1994-01-01.
  10. Shogo MURAMATSU, Hitoshi KIYA,
    "Resolution Conversion Method with Arbitrary Rational Values for Transform-Coded Images",
    IEICE Trans., Vol. J77-A, No. 3, pp. 369-378, 1994-03-01. [webpage]
  11. Shogo MURAMATSU, Hitoshi KIYA,
    "An Extended Overlap-Add Method and Save Method for Sampling Rate Conversion",
    IEICE Trans., Vol. J77-A, No. 8, pp. 1046-1055, 1994-08-01. [webpage]
  12. Hitoshi KIYA, Hirotatsu YAMAZAKI, Kouji ASHIHARA,
    "An Oversampling Subband Adaptive Digital Filter with Rational Decimation Ratios",
    IEICE Trans., Vol. J77-A, No. 8, pp. 1129-1136, 1994-08-01. [webpage]
  13. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "An LS Based New Gradient Type Adaptive Algorithm --Least Squares Gradient--",
    IEICE Trans. Fundamentals, Vol. E77-A, No. 9, pp. 1417-1425, 1994-09-01. [webpage]
  14. Youji YAMADA, Hiroshi OCHI, Hitoshi KIYA,
    "A Subband Adaptive Filter Allowing Maximally Decimation",
    IEEE J. Select. Areas Commun., Vol. 12, No. 9, pp. 1548-1552, 1994-12-01. [DOI] [webpage] [Publish]
  15. Hitoshi KIYA, Hirotatsu YAMAZAKI, Youji YAMADA,
    "A Design Method of Filter Banks with Alias-Free Characteristics at Equally Spaced Frequency Points",
    IEICE Trans., Vol. J77-A, No. 12, pp. 1632-1639, 1994-12-01. [webpage]
  16. Yoshihiro ONO, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "An Equivalent Model for Subband Adaptive System and Its Performance Analysis",
    IEICE Trans., Vol. J78-A, No. 1, pp. 30-39, 1995-01-01. [webpage]
  17. Hitoshi KIYA, Hirotatsu YAMAZAKI, Kouji ASHIHARA,
    "An Oversampling Subband Adaptive Digital Filter with Rational Decimation Ratios",
    Electronics and Communications in Japan, Part III, Vol. 78, No. 1, pp. 89-97, 1995-01-01.
  18. Hitoshi KIYA, Kiyoshi NISHIKAWA, Kouji ASHIHARA,
    "Improvement of Convergence Speed for Subband Adaptive Digital Filter Using the Multirate Repeating Method",
    IEICE Trans., Vol. J78-A, No. 2, pp. 194-201, 1995-02-01. [webpage]
  19. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "An Orthogonal Frequency Division Modulation Method Allowing Hierarchy Reconstruction",
    IEICE Trans., Vol. J78-A, No. 3, 1995-03-01. [webpage]
  20. Shogo MURAMATSU, Hitoshi KIYA,
    "An Extended Overlap-Add Method and Overlap-Save Method for Sampling Rate Conversion",
    Electronics and Communications in Japan, Part III, Vol. 78, No. 3, pp. 62-73, 1995-03-01.
  21. Hitoshi KIYA, Hirotatsu YAMAZAKI, Youji YAMADA,
    "A Method of Designing Filter Banks with Alias-Free Characteristics at Equally Spaced Points",
    Electronics and Communications in Japan, Part III, Vol. 78, No. 5, pp. 34-43, 1995-05-01.
  22. Shogo MURAMATSU, Hitoshi KIYA,
    "Parallel Processing Techniques for Multidimensional Sampling Lattice Alteration Based on Overlap-Add and Overlap-Save Methods",
    IEICE Trans. Fundamentals, Vol. E78-A, No. 8, pp. 934-943, 1995-08-01. [webpage]
  23. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "A Representation Method of the Convergence Characteristic of the LMS Algorithms Using Tap-Input Vectors",
    IEICE Trans. Fundamentals, Vol. E78-A, No. 10, pp. 1362-1368, 1995-10-01. [webpage]
  24. Hitoshi KIYA, Kiyoshi NISHIKAWA, Kouji ASHIHARA,
    "Improvement of Convergence Speed for Subband Adaptive Digital Filter Using the Multirate Repeating Method",
    Electronics and Communications in Japan, Part III, Vol. 78, No. 10, pp. 37-45, 1995-10-01.
  25. Takeo YOSHIDA, Hitoshi KIYA, Sachio NAITO,
    "Design Verification for Register Transfer Level Design by Input Label Sets and Control Conditions",
    IEICE Trans., Vol. J79-D, No. 1, pp. 28-40, 1996-01-01. [webpage]
  26. Masahiro IWAHASHI, Noriyoshi KAMBAYASHI, Hitoshi KIYA,
    "A Motion Compensation of Scalable Decoder for Drift Reduction",
    IEICE Trans., Vol. J79-A, No. 1, pp. 125-134, 1996-01-01. [webpage]
  27. Katsushige MATSUBARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Pipelined Adaptive Filters Based on Delayed LMS Algorithm",
    IEICE Trans., Vol. J79-A, No. 5, pp. 1050-1057, 1996-05-01. [webpage]
  28. Hisashi SAKANE, Hitoshi KIYA,
    "A Super-Resolution Method Based on the Discrete Cosine Transform",
    IEICE Trans. Fundamentals, Vol. E79-A, No. 6, pp. 768-776, 1996-06-01. [webpage]
  29. Masahiro IWAHASHI, Noriyoshi KAMBAYASHI, Hitoshi KIYA,
    "A Scalable Decoder with Reduced Hardware Complexity",
    IEICE Trans., Vol. J79-A, No. 7, pp. 1324-1329, 1996-07-01. [webpage]
  30. Shogo MURAMATSU, Hitoshi KIYA,
    "A New Factorization Technique for the Generalized Linear-Phase LOT and Its Fast Implementation",
    IEICE Trans. Fundamentals, Vol. E79-A, No. 8, pp. 1173-1179, 1996-08-01. [webpage]
  31. Kazunobu TOGUCHI, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Subband Adaptive Filters with Perfect Reconstruction DFT Filter Banks",
    IEICE Trans., Vol. J79-A, No. 8, pp. 1385-1393, 1996-08-01. [webpage]
  32. Masahiro IWAHASHI, Noriyoshi KAMBAYASHI, Hitoshi KIYA,
    "Bit Reduction of DCT Basis for Transform Coding",
    IEICE Trans., Vol. J79-B-I, No. 53, pp. 572-581, 1996-08-01. [webpage]
  33. Hitoshi KIYA, Hiroyuki KOBAYASHI,
    "Oversampled Filter Banks Based on Polyphase Submatrices",
    IEICE Trans., Vol. J79-A, No. 9, pp. 1525-1534, 1996-09-01. [webpage]
  34. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "A Design Method for Oversampled DFT Filter Banks with the Minimum Delay",
    IEICE Trans., Vol. J79-A, No. 11, pp. 1801-1807, 1996-11-01. [webpage]
  35. Shogo MURAMATSU, Hitoshi KIYA,
    "An Efficient Structure of GenLOT for Finite-Duration Sequences and Its Application to M-Band Discrete-Time Wavelet Transforms",
    IEICE Trans., Vol. J79-A, No. 12, pp. 1966-1976, 1996-12-01. [webpage]
  36. Masahiro IWAHASHI, Noriyoshi KAMBAYASHI, Hitoshi KIYA,
    "Motion Compensation for Scalable Decoder for Drift Reduction",
    Electronics and Communications in Japan, Part III, Vol. 80, No. 1, pp. 47-58, 1997-01-01.
  37. Katsushige MATSUBARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "2-D Pipelined Adaptive Filters Based on 2-D Delayed LMS Algorithm",
    IEICE Trans. Fundamentals, Vol. E80-A, No. 6, pp. 1009-1014, 1997-06-01. [webpage]
  38. XiaoXia ZOU, Shogo MURAMATSU, Hitoshi KIYA,
    "FFT-Based Implementation of Sampling Rate Conversion with a Small Number of Delays",
    IEICE Trans. Fundamentals, Vol. E80-A, No. 8, pp. 1367-1375, 1997-08-01. [webpage]
  39. Masahiro IWAHASHI, Noriyoshi KAMBAYASHI, Hitoshi KIYA,
    "Bit Reduction of DCT Basis for Transform Coding",
    Electronics and Communications in Japan, Part I, Vol. 80, No. 8, pp. 81-91, 1997-08-01.
  40. Shogo MURAMATSU, Hitoshi KIYA,
    "Extended Overlap-Add and -Save Methods for Multirate Signal Processing",
    IEEE Trans. Signal Processing, Vol. 45, No. 9, pp. 2376-2380, 1997-09-01. [DOI] [webpage] [Publish]
  41. Shogo MURAMATSU, Hitoshi KIYA,
    "An Efficient Structure of Generalized Lapped Orthogonal Transforms for Finite-Duration Sequences and Its Application to M-Band Discrete-Time Wavelet Transforms",
    Electronics and Communications in Japan, Part III, Vol. 80, No. 10, pp. 39-50, 1997-10-01.
  42. Yasuhiro HARADA, Shogo MURAMATSU, Hitoshi KIYA,
    "Two-Channel QMF Bank without Checkerboard Effect and Its Lattice Structure",
    IEICE Trans., Vol. J80-A, No. 11, pp. 1857-1867, 1997-11-01. [webpage]
  43. Katsushige MATSUBARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Pipelined Adaptive Filters Based on Look-Ahead-Based Delayed LMS Algorithm",
    IEICE Trans., Vol. J80-A, No. 11, pp. 1902-1909, 1997-11-01. [webpage]
  44. XiaoXia ZOU, Hitoshi KIYA,
    "Equivalent Representations and Generalizations of Image Resolution Conversions in DCT-Domain",
    IEICE Trans., Vol. J80-A, No. 11, pp. 1989-1998, 1997-11-01. [webpage]
  45. Katsushige MATSUBARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Pipelined Adaptive Filters Based on Delayed LMS Algorithm",
    Electronics and Communications in Japan, Part III, Vol. 80, No. 12, pp. 82-90, 1997-12-01.
  46. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Design of Oversampled DFT Filter Banks with Minimum Delay",
    Electronics and Communications in Japan, Part III, Vol. 81, No. 1, 1998-01-01.
  47. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Conditions for Convergence of Delayless Subband Adaptive Filter and Its Efficient Implementation",
    IEEE Trans. Signal Processing, Vol. 46, No. 4, pp. 1158-1167, 1998-04-01. [DOI] [webpage] [Publish]
  48. Shogo MURAMATSU, Hitoshi KIYA,
    "A Design Method of Odd-Channel Linear-Phase Paraunitary Filter Banks with a Lattice Structure",
    IEICE Trans. Fundamentals, Vol. E81-A, No. 5, pp. 976-980, 1998-05-01. [webpage]
  49. Kiyoshi NISHIKAWA, Takuya YAMAUCHI, Hitoshi KIYA,
    "Structure of Delayless Subband Adaptive Filter Using Hadamard Transformation",
    IEICE Trans. Fundamentals, Vol. E81-A, No. 6, pp. 1013-1020, 1998-06-01. [webpage]
  50. Shogo MURAMATSU, Akihiko YAMADA, Hitoshi KIYA,
    "The Two-Dimensional Lapped Hadamard Transform",
    IEICE Trans. Fundamentals, Vol. E81-A, No. 8, pp. 1542-1549, 1998-08-01. [webpage]
  51. Akio HARADA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Pipelined Architecture of the LMS Adaptive Digital Filter with the Minimum Output Latency",
    IEICE Trans. Fundamentals, Vol. E81-A, No. 8, pp. 1578-1585, 1998-08-01. [webpage]
  52. Yasuhiro HARADA, Shogo MURAMATSU, Hitoshi KIYA,
    "Multidimensional Multirate Filter and Filter Bank without Checkerboard Effect",
    IEICE Trans. Fundamentals, Vol. E81-A, No. 8, pp. 1607-1615, 1998-08-01. [webpage]
  53. Hitoshi KIYA, Seiji WATANABE, Kiyoshi NISHIKAWA, Nobuo FUJII,
    "信号のエネルギーの偏りを考慮したサンプリングレート変換器の設計",
    IEICE Trans., Vol. J81-A, No. 10, pp. 1463-1468, 1998-10-01. [webpage]
  54. Katsushige MATSUBARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Pipelined LMS Adaptive Filter Using a New Look-Ahead Transformation",
    IEEE Trans. Circuits Syst. II, Vol. 46, 1999-01-01.
  55. Katsushige MATSUBARA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Pipelined Adaptive Filters Based on Look-Ahead-Based Delayed LMS Algorithm",
    Electronics and Communications in Japan, Part II, Vol. 82, No. 1, pp. 55-62, 1999-01-01.
  56. Akio HARADA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "A Pipelined Architecture for the Normalized LMS Adaptive Digital Filters",
    IEICE Trans. Fundamentals, Vol. E82-A, No. 2, 1999-02-01. [webpage]
  57. Shogo MURAMATSU, Akihiko YAMADA, Hitoshi KIYA,
    "A Design Method of Multidimensional Linear-Phase Paraunitary Filter Banks with a Lattice Structure",
    IEEE Trans. Signal Processing, Vol. 47, No. 3, 1999-03-01. [DOI] [webpage]
  58. Kazuhiro KOJIMA, Hitoshi KIYA,
    "Generalizations of the Image Resolution Conversions Using 8 Points Inversed DCT",
    IEICE Trans., Vol. J82-A, No. 5, 1999-05-01. [webpage]
  59. Hitoshi KIYA, Jun FURUKAWA, Yoshihiro NOGUCHI,
    "Block Matching Motion Estimation Based on Median Cut Quantization for MPEG Video",
    IEICE Trans. Fundamentals, Vol. E82-A, No. 6, pp. 899-904, 1999-06-01. [webpage]
  60. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Pipeline Implementation of Gradient-Type Adaptive Filters",
    IEICE Trans., Vol. J82-A, No. 6, pp. 769-778, 1999-06-01. [webpage]
  61. Hitoshi KIYA, Hiroyuki KOBAYASHI,
    "Oversampled Filter Banks Based on Polyphase Submatrices",
    Electronics and Communications in Japan, Part III, Vol. 82, No. 6, 1999-06-01.
  62. Masaharu MURAKAMI, Hitoshi KIYA,
    "Conditions for Avoiding the Checkerboard Distortion in Continuous-Time Domain",
    IEICE Trans., Vol. J82-A, No. 7, 1999-07-01. [webpage]
  63. Hitoshi KIYA, Yoshihiro NOGUCHI, Ayuko TAKAGI, Hiroyuki KOBAYASHI,
    "A Method of Inserting Binary Data into MPEG Video in the Compressed Domain",
    IEICE Trans. Fundamentals, Vol. E82-A, No. 8, pp. 1485-1492, 1999-08-01. [webpage]
  64. Tadaaki KIMIJIMA, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "An Effective Architecture of the Pipelined LMS Adaptive Filters",
    IEICE Trans. Fundamentals, Vol. E82-A, No. 8, pp. 1428-1434, 1999-08-01. [webpage]
  65. Youji YAMADA, Hitoshi KIYA, Noriyoshi KAMBAYASHI,
    "A Frequency Domain Adaptive Algorithm for Estimating Impulse Response with Flat Delay and Dispersive Response Region",
    IEICE Trans. Fundamentals, Vol. E82-A, No. 8, pp. 1558-1565, 1999-08-01. [webpage]
  66. Yasuhiro HARADA, Shogo MURAMATSU, Hitoshi KIYA,
    "Two-Channel QMF Bank without Checkerboard Effect and Its Lattice Structure",
    Electronics and Communications in Japan, Part III, Vol. 82, No. 11, 1999-11-01.
  67. Shogo MURAMATSU, Hitoshi KIYA, Youji YAMADA,
    "A Bit-Operation Algorithm of the Median-Cut Quantization and Its Hardware Architecture",
    IEICE Trans. Fundamentals, Vol. E83-A, No. 2, 2000-02-20. [webpage]
  68. Hitoshi KIYA, Hiroyuki KOBAYASHI, Osamu WATANABE,
    "Design of Integer Wavelet Filters for Image Compression",
    IEICE Trans. Fundamentals, Vol. E83-A, No. 3, pp. 487-491, 2000-03-01. [webpage]
  69. XiaoXia ZOU, Hitoshi KIYA,
    "Equivalent Representations and Generalizations of the Image Resolution Conversions in DCT Domain",
    Electronics and Communications in Japan, Part III, Vol. 83, 2000-03-01.
  70. Hiroyuki KOBAYASHI, Yoshihiro NOGUCHI, Hitoshi KIYA,
    "A Method of Embedding Binary Data into JPEG Bitstreams",
    IEICE Trans., Vol. J83-D2, No. 6, pp. 1469-1476, 2000-06-01. [webpage]
  71. Yoshihiro NOGUCHI, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "A Method of Extracting Embedded Binary Data from JPEG Bitstreams Using Standard JPEG Decoder",
    IEICE Trans. Fundamentals, Vol. E83-A, No. 8, pp. 1582-1588, 2000-08-01. [webpage]
  72. Ayuko TAKAGI, Shogo MURAMATSU, Hitoshi KIYA,
    "Motion Estimation with Power Scalability and Its VHDL Model",
    IEICE Trans. Fundamentals, Vol. E83-A, No. 8, pp. 1608-1613, 2000-08-01. [webpage]
  73. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Fast Implementation Technique for Improving Throughput of RLS Adaptive Filters",
    IEICE Trans. Fundamentals, Vol. E83-A, No. 8, pp. 1545-1550, 2000-08-01. [webpage]
  74. Masayuki KUROSAKI, Shogo MURAMATSU, Hitoshi KIYA,
    "A Motion Estimation Method with Two Images of Less Gray Level",
    IEICE Trans., Vol. J83-A, No. 12, pp. 1434-1440, 2000-12-01. [webpage]
  75. Hitoshi KIYA,
    "Methods for Embedding Binary Data into JPEG and MPEG Images in Compressed Domain",
    IEICE Trans., Vol. J83-A, No. 12, pp. 1349-1356, 2000-12-01. [webpage]
  76. Osamu WATANABE, Hiroshige ASANO, Hitoshi KIYA,
    "A Representation of Palette-Based Images for Progressive Transmitting",
    IEICE Trans., Vol. J83-A, No. 12, pp. 1404-1411, 2000-12-01. [webpage]
  77. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Pipeline Implementation of Gradient-Type Adaptive Filters",
    Electronics and Communications in Japan, Part III, Vol. 84, No. 5, pp. 33-42, 2001-05-01.
  78. Ayuko TAKAGI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Motion Estimation Using Edge Enhanced Low-Bit Images for Lowpower MPEG Encoder",
    IEICE Trans. Fundamentals, Vol. E84-A, No. 8, pp. 1900-1908, 2001-08-01.
  79. Masaharu MURAKAMI, Hitoshi KIYA,
    "Conditions for Avoiding the Checkerboard Distortion in Continuous-Time Domain",
    Electronics and Communications in Japan, Part III, Vol. 84, No. 12, pp. 59-68, 2001-12-01.
  80. Hiroyuki KOBAYASHI, Yoshihiro NOGUCHI, Hitoshi KIYA,
    "A Method of Embedding Binary Data into JPEG Bitstreams",
    Systems and Computers in Japan, Vol. 33, No. 1, pp. 18-26, 2002-01-01.
  81. Katsutoshi ANDO, Osamu WATANABE, Hitoshi KIYA,
    "Partial-Scrambling of Images Encoded by JPEG2000",
    IEICE Trans., Vol. J85-D-II, No. 2, pp. 282-290, 2002-02-01. [webpage]
  82. Masayuki KUROSAKI, Hitoshi KIYA,
    "Error Concealment Using a Data Hiding Technique for MPEG Video",
    IEICE Trans. Fundamentals, Vol. E85-A, No. 4, pp. 790-796, 2002-04-01. [webpage]
  83. Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Multirate Repeating Method for Alias Free Subband Adaptive Filters",
    IEICE Trans. Fundamentals, Vol. E85-A, No. 4, pp. 776-783, 2002-04-01. [webpage]
  84. Ayuko TAKAGI, Hitoshi KIYA,
    "QCIF Video Coding Based on JPEG2000 Using Symmetry of Images",
    IEICE Trans. Fundamentals, Vol. E85-A, No. 8, pp. 1898-1901, 2002-08-01. [webpage]
  85. Kazuhiro KOJIMA, Hitoshi KIYA,
    "Generalizations of Image Resolution Conversions Using 8-Point Inverse DCT",
    Electronics and Communications in Japan, Part III, Vol. 85, No. 9, pp. 58-68, 2002-09-01.
  86. Katsutoshi ANDO, Hitoshi KIYA,
    "An Encryption Method for JPEG2000 Images Using Layer Function",
    IEICE Trans., Vol. J85-A, No. 10, pp. 1091-1099, 2002-10-01. [webpage]
  87. Katsutoshi ANDO, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "A Method for Embedding Binary Data into JPEG2000 Images Using Layer Function",
    IEICE Trans., Vol. J85-D-II, No. 10, pp. 1522-1530, 2002-10-01. [webpage]
  88. Masaaki FUJIYOSHI, Takashi TACHIBANA, Hitoshi KIYA,
    "A Data Embedding Method Considering the Finite Word-Length for High Quality Images",
    IEICE Trans. Fundamentals, Vol. E85-A, No. 12, pp. 2830-2838, 2002-12-01. [webpage] [Publish]
  89. Takashi TACHIBANA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Watermarking Scheme without Reference Images for Broadcast Monitoring",
    IEICE Trans., Vol. J86-D-II, No. 2, pp. 233-241, 2003-02-01. [webpage] [Publish]
  90. Osamu WATANABE, Hitoshi KIYA,
    "An Extension of ROI-Based Scalability for Progressive Transmission in JPEG2000 Coding",
    IEICE Trans. Fundamentals, Vol. E86-A, No. 4, pp. 765-771, 2003-04-01. [webpage]
  91. Masayuki KUROSAKI, Hitoshi KIYA,
    "Error Concealment Using Layer Structure for JPEG2000 Images",
    IEICE Trans. Fundamentals, Vol. E86-A, No. 4, pp. 772-778, 2003-04-01. [webpage]
  92. Ayuko TAKAGI, Hitoshi KIYA,
    "Lossless Video Coding Using Interleaved Multiple Frames",
    IEICE Trans. Fundamentals, Vol. E86-A, No. 6, pp. 1504-1508, 2003-06-01. [webpage]
  93. Katsuyuki MATSUI, Takashi TACHIBANA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Watermarking Method Allowing the Desired Image Quality for Binary Sequences",
    J. ITE, Vol. 57, No. 7, pp. 878-881, 2003-07-01. [DOI] [webpage] [Publish]
  94. Khairul Munadi, Masayuki KUROSAKI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Error Protection for JPEG2000-Coded Images and Its Evaluation over OFDM Channel",
    IEICE Trans. Fundamentals, Vol. E86-A, No. 8, pp. 2056-2060, 2003-08-01. [webpage]
  95. Youji YAMADA, Hitoshi KIYA, Noriyoshi KAMBAYASHI,
    "A Pre-Whitening Technique for Adaptive Filters Utlizing Scrambling Method by PN Sequence",
    IEICE Trans., Vol. J86-A, No. 11, pp. 1246-1250, 2003-11-01. [webpage]
  96. Hitoshi KIYA, Shoko IMAIZUMI, Osamu WATANABE,
    "Partial-Scrambling of JPEG2000 Images without Generating Marker Codes",
    IEICE Trans., Vol. J86-D-II, No. 11, pp. 1628-1636, 2003-11-01. [webpage]
  97. Takashi TACHIBANA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Watermarking Scheme Retaining the Desired Image Quality in Order to Be Applicable to Watermarks with Various Distributions",
    IEICE Trans., Vol. J87-D-II, No. 3, pp. 850-859, 2004-03-01. [webpage] [Publish]
  98. Kiyoshi NISHIKAWA, Takako SASAKI, Hitoshi KIYA,
    "Extension of Image Transport Protocol Allowing Server-Side Control of Request for Retransmission",
    IEICE Trans. Fundamentals, Vol. E87-A, No. 3, pp. 674-681, 2004-03-01. [webpage]
  99. Masayuki KUROSAKI, Hitoshi KIYA,
    "An Efficient Error Correction Scheme Allowing Backward Compatibility with JPEG2000 Codestream",
    IEICE Trans. Fundamentals, Vol. E87-A, No. 4, pp. 145-152, 2004-04-01. [webpage]
  100. Ayuko TAKAGI, Hitoshi KIYA,
    "Scrambling of MPEG Video by Exchanging Motion Vectors",
    IEICE Trans. Fundamentals, Vol. E87-A, No. 8, pp. 2054-2057, 2004-08-01. [webpage]
  101. Takashi TACHIBANA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Watermarking Scheme without Reference Images for Broadcast Monitoring",
    Electronics and Communications in Japan, Part III, Vol. 87, No. 9, pp. 22-32, 2004-09-01. [DOI] [webpage] [Publish]
  102. Masaaki FUJIYOSHI, Takashi TACHIBANA, Hitoshi KIYA,
    "An Image Quality Guaranteed Watermarking Scheme by Spreading the Spectrum of Watermarks",
    J. ITE, Vol. 59, No. 3, pp. 430-434, 2005-03-01. [DOI] [webpage] [Publish]
  103. Masaaki FUJIYOSHI, Osamu WATANABE, Hitoshi KIYA,
    "A Method of Guaranteeing Image-Quality for Quantization-Based Watermarking Using a Nonorthogonal Transformation",
    IEICE Trans. Fundamentals, Vol. E88-A, No. 6, pp. 1434-1442, 2005-06-01. [DOI] [webpage] [Publish]
  104. Yusuke SEKI, Hiroyuki KOBAYASHI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Data Hiding Method without Specifying Embedded Positions for JPEG Images",
    IEICE Trans., Vol. J88-D-II, No. 10, pp. 2037-2045, 2005-10-01. [webpage] [Publish]
  105. Hong Lin JIN, Masaaki FUJIYOSHI, Yusuke SEKI, Hitoshi KIYA,
    "A Data Hiding Method for JPEG 2000 Coded Images Using Modulo Arithmetic",
    IEICE Trans., Vol. J89-A, No. 3, pp. 234-242, 2006-03-01. [webpage] [Publish]
  106. Fitri Arnia, Ikue IIZUKA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Fast Image Identification Methods for JPEG Images with Different Compression Ratios",
    IEICE Trans. Fundamentals, Vol. E89-A, No. 6, pp. 1585-1593, 2006-06-01. [DOI] [webpage] [Publish]
  107. Takashi TACHIBANA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Digital Watermarking Scheme That Preserves Image Quality and is Applicable to Watermark Sequences from a Variety of Distributions",
    Systems and Computers in Japan, Vol. 37, No. 8, pp. 90-100, 2006-07-01. [DOI] [webpage] [Publish]
  108. Kiyoshi NISHIKAWA, Shin'ichi NAGAWARA, Hitoshi KIYA,
    "QoS Estimation Method for JPEG 2000 Coded Image at RTP Layer",
    IEICE Trans. Fundamentals, Vol. E89-A, No. 8, pp. 2119-2128, 2006-08-01. [DOI] [webpage]
  109. Khairul Munadi, Masayuki KUROSAKI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Packet Level Pre-FEC Interleaving for Robust JPEG2000 Video Streaming with Low Receiver Processing Delay",
    ECTI Trans. Electrical Eng., Electronics, and Commun., Vol. 4, No. 2, pp. 134-144, 2006-08-01.
  110. Khairul Munadi, Masaaki FUJIYOSHI, Kiyoshi NISHIKAWA, Hitoshi KIYA,
    "Codeblock-Based Error Concealment for JPEG2000 Coded Image Transmission over RTP",
    IEICE Trans. Fundamentals, Vol. E90-A, No. 2, pp. 429-438, 2007-02-01. [DOI] [webpage] [Publish]
  111. Masaaki FUJIYOSHI, Shoko IMAIZUMI, Hitoshi KIYA,
    "Encryption of Composite Multimedia Contents for Access Control",
    IEICE Trans. Fundamentals, Vol. E90-A, No. 3, pp. 590-596, 2007-03-01. [DOI] [webpage] [Publish]
  112. Hong Lin JIN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Lossless Data Hiding in the Spatial Domain for High Quality Images",
    IEICE Trans. Fundamentals, Vol. E90-A, No. 4, pp. 771-777, 2007-04-01. [DOI] [webpage] [Publish]
  113. Izumi ITO, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Relationship between Signs of DCT Coefficients and Phase-Only Correlation",
    IEICE Trans., Vol. J90-A, No. 7, pp. 567-577, 2007-07-01. [webpage] [Publish]
  114. Hong Lin JIN, Masaaki FUJIYOSHI, Yusuke SEKI, Hitoshi KIYA,
    "A Data Hiding Method for JPEG 2000 Coded Images Using Modulo Arithmetic",
    Electronics and Communications in Japan, Part III, Vol. 90, No. 7, pp. 37-46, 2007-07-01. [DOI] [webpage] [Publish]
  115. Fitri Arnia, Ikue IIZUKA, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "DCT Sign-Based Similarity Measure for JPEG Image Retrieval",
    IEICE Trans. Fundamentals, Vol. E90-A, No. 9, pp. 1976-1985, 2007-09-01. [DOI] [webpage] [Publish]
  116. Yusuke SEKI, Hiroyuki KOBAYASHI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Data Hiding Method without Specifying Embedded Positions for JPEG Image",
    Electronics and Communications in Japan, Part III, Vol. 90, No. 11, pp. 21-30, 2007-11-01. [DOI] [webpage] [Publish]
  117. Kiyoshi NISHIKAWA, Khairul Munadi, Hitoshi KIYA,
    "No-Reference PSNR Estimation for Quality Monitoring of Motion JPEG2000 Video over Lossy Packet Networks",
    IEEE Trans. Multimedia, Vol. 10, No. 4, pp. 637-645, 2008-06-01. [webpage] [Publish]
  118. Hong Lin JIN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "On Improvement of the Reversible Data Hiding Method by Reversibly Adaptive Modulation of Statistics",
    IEICE Trans., Vol. J91-A, No. 8, pp. 823-827, 2008-08-01. [webpage] [Publish]
  119. Seungwu HAN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "An Efficient Reversible Image Authentication Method",
    IEICE Trans. Fundamentals, Vol. E91-A, No. 8, pp. 1907-1914, 2008-08-01. [DOI] [webpage] [Publish]
  120. Takahiro FUKUHARA, Kazuhisa HOSAKA, Hitoshi KIYA,
    "Identifying Method of JPEG2000 Images in the Codestream Level for Digital Cinema",
    IEICE Trans., Vol. J91-D, No. 9, pp. 2305-2313, 2008-09-01. [webpage]
  121. Takahiro FUKUHARA, Katsutoshi ANDO, Hitoshi KIYA,
    "Efficient Lossless to Lossy Transcoding of JPEG 2000 Codestreams for D-Cinema",
    SMPTE Motion Imaging J., Vol. 2009, pp. 50-56, 2009-02-01.
  122. Izumi ITO, Hitoshi KIYA,
    "Fitting Functions for Noninteger Shift Value Estimation Using DCT Sign Phase Correlation",
    IEICE Trans., Vol. J92-A, No. 3, pp. 172-181, 2009-03-01. [webpage]
  123. Yoshihide TONOMURA, Daisuke SHIRAI, Takayuki NAKACHI, Tatsuya FUJII, Hitoshi KIYA,
    "Layered Low-Density Generator Matrix Codes for Super High Definition Scalable Video Coding System",
    IEICE Trans. Fundamentals, Vol. E92-A, No. 3, pp. 798-807, 2009-03-01. [DOI] [webpage]
  124. Izumi ITO, Hitoshi KIYA,
    "Phase Scrambling and Its Application to Image Matching",
    IEICE Trans., Vol. J92-A, No. 7, pp. 459-469, 2009-07-01. [webpage]
  125. Michihiko ONO, Seungwu HAN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Location Map-Free Reversible Data Hiding Method for Specific Area Embedding",
    IEICE Electronics Express, Vol. 6, No. 8, pp. 483-489, 2009-04-25. [DOI] [webpage] [Publish]
  126. Seungwu HAN, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Reversible Image Authentication Method without Memorization of Hiding Parameters",
    IEICE Trans. Fundamentals, Vol. E92-A, No. 10, pp. 2572-2579, 2009-10-01. [DOI] [webpage] [Publish]
  127. Yoshihide TONOMURA, Takayuki NAKACHI, Tatsuya FUJII, Hitoshi KIYA,
    "Parallel Processing of Distributed Video Coding to Reduce Decoding Time",
    IEICE Trans. Fundamentals, Vol. E92-A, No. 10, pp. 2463-2470, 2009-10-01. [DOI] [webpage]
  128. Izumi ITO, Hitoshi KIYA,
    "One-Time Key Based Phase Scrambling for Phase-Only Correlation between Visually Protected Images",
    EURASIP J. Information Security, Vol. 2009, pp. 841045, 2010-01-31. [DOI] [webpage] [Publish]
  129. Hong Lin JIN, Yoonsik CHOE, Hitoshi KIYA,
    "Reversible Data Hiding Based on Adaptive Modulation of Statistics Invertibility",
    IEICE Trans. Fundamentals, Vol. E93-A, No. 2, pp. 565-569, 2010-02-01. [DOI] [webpage]
  130. Hiroaki IWAI, Masahiro IWAHASHI, Hitoshi KIYA,
    "Methods for Avoiding the Checkerboard Distortion Caused by Finite Word Length Error in Multirate System",
    IEICE Trans. Fundamentals, Vol. E93-A, No. 3, pp. 631-635, 2010-03-01. [DOI] [webpage]
  131. Yoshihide TONOMURA, Daisuke SHIRAI, Masahiko KITAMURA, Takayuki NAKACHI, Tatsuya FUJII, Hitoshi KIYA,
    "Construction Method and Theoretical Analysis of Packet-Level Low-Density Generator Matrix Codes to Allow Backward Compatibility for Video Streaming",
    IEICE Trans., Vol. J93-A, No. 3, pp. 212-215, 2010-03-01. [webpage]
  132. Izumi ITO, Hitoshi KIYA,
    "Phase-Only Correlation Based Matching in Scrambled Domain for Preventing Illegal Matching",
    LNCS Trans. Data Hiding and Multimedia Security V, Vol. 6010/2010, pp. 51-69, 2010-06-27. [DOI] [webpage] [Publish]
  133. Zhen LI, Atsushi UEMURA, Hitoshi KIYA,
    "An FFT-Based Full-Search Block Matching Algorithm with Sum of Squared Differences Criterion",
    IEICE Trans. Fundamentals, Vol. E93-A, No. 10, pp. 1748-1754, 2010-10-01. [DOI] [webpage]
  134. Atsushi UEMURA, Zhen LI, Hitoshi KIYA,
    "A Fast Sub-Pixel Block-Matching Algorithm Using FFT-Based Full-Search Block-Matching",
    IEICE Trans., Vol. J93-A, No. 10, pp. 649-657, 2010-10-01. [webpage]
  135. Shoko IMAIZUMI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "An efficient access control method for composite multimedia content",
    IEICE Electronics Express, Vol. 7, No. 20, pp. 1534-1538, 2010-10-25. [DOI] [webpage] [Publish]
  136. Shoko IMAIZUMI, Yoshito ABE, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "An Efficient Access Control Method Based on One-Way Hash Functions for Digital Videos",
    J. ITE, Vol. 64, No. 11, pp. 1621-1627, 2010-11-01. [DOI] [webpage] [Publish]
  137. Masaaki FUJIYOSHI, Takahiro TSUNEYOSHI, Hitoshi KIYA,
    "A Parameter Memorization-Free Lossless Data Hiding Method with Flexible Payload Size",
    IEICE Electronics Express, Vol. 7, No. 23, pp. 1702-1708, 2010-12-10. [DOI] [webpage] [Publish]
  138. Shoko IMAIZUMI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Key Generating Method Using Recursive Hash Chains and Its Applications for Multi-Dimensionally Hierarchical Access Control",
    J. ITE, Vol. 65, No. 2, pp. 193-202, 2011-02-01. [DOI] [webpage] [Publish]
  139. Masahiro IWAHASHI, Hitoshi KIYA,
    "Reversible 2D 9-7 DWT Based on Non-separable 2D Lifting Structure Compatible with Irreversible DWT",
    IEICE Trans. Fundamentals, Vol. E94-A, No. 10, pp. 1928-1936, 2011-10-01. [DOI] [webpage]
  140. Shoko IMAIZUMI, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Multiple Level Access Control Method for Hierarchical Multimedia Content Using Low-complexity Key Generating Schemes",
    J. ITE, Vol. 66, No. 2, pp. 69-73, 2012-02-01. [DOI] [webpage] [Publish]
  141. Osamu WATANABE, Takahiro FUKUHARA, Hitoshi KIYA,
    "Codestream-Based Identification of JPEG 2000 Images with Different Coding Parameters",
    IEICE Trans. Inf. & Sys., Vol. E95-D, No. 4, pp. 1120-1129, 2012-04-01. [DOI] [webpage] [Publish]
  142. Masahiro IWAHASHI, Masanori OGAWA, Hitoshi KIYA,
    "Avoidance of Singular Point in Integer Orthonormal Transform for Lossless Coding",
    IEEE Trans. Signal Processing, Vol. 60, No. 5, pp. 2648-2653, 2012-05-01. [DOI] [webpage] [Publish]
  143. Hitoshi KIYA, Masaaki FUJIYOSHI,
    "Signal and Image Processing in the Encrypted Domain",
    ECTI Trans. Computer and Information Technology, Vol. 6, No. 1, pp. 11-18, 2012-05-31. [webpage] [Publish]
  144. Noriyuki MATSUNAMI, Masahiro NAGAI, Hitoshi KIYA,
    "Effectiveness of Learning Supports by Expert Teachers in Lessons Using a Digital Pen",
    JSET Japan Journal of Educational Technology, Vol. 36, No. 2, pp. 111-123, 2012-10-10.
  145. Suvit POOMRITTIGUL, Masanori OGAWA, Masahiro IWAHASHI, Hitoshi KIYA,
    "Reversible Color Transform for Bayer Color Filter Array Images",
    APSIPA Trans. Signal and Information Processing, Vol. 2, 2013-09-27. [DOI] [webpage] [Publish]
  146. Shen Chuan LIU, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Cheat-Prevention Visual Secret Sharing Scheme with Efficient Pixel Expansion",
    IEICE Trans. Fundamentals, Vol. E96-A, No. 11, pp. 2134-2141, 2013-11-01. [DOI] [webpage] [Publish]
  147. Hitoshi KIYA, Hiroyuki KOBAYASHI, Masahiro IWAHASHI,
    "Weighted Median Cut Quantization and Its Applications for Images with Sparse Histogram",
    IEICE Trans., Vol. J96-A, No. 7, pp. 462-470, 2013-07-01. [webpage]
  148. Shen Chuan LIU, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "An Image Trading System Using Amplitude-Only Images for Privacy- and Copyright-Protection",
    IEICE Trans. Fundamentals, Vol. E96-A, No. 6, pp. 1245-1252, 2013-06-01. [DOI] [webpage] [Publish]
  149. Wannida SAE-TANG, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Generation Method of Amplitude-Only Images with Low Intensity Ranges",
    IEICE Trans. Fundamentals, Vol. E96-A, No. 6, pp. 1323-1330, 2013-06-01. [DOI] [webpage] [Publish]
  150. Shen Chuan LIU, Wannida SAE-TANG, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "An Efficient Compression of Amplitude-Only Images for the Image Trading System",
    IEICE Trans. Inf. & Sys., Vol. E97-D, No. 2, pp. 378-379, 2014-02-01. [DOI] [webpage] [Publish]
  151. Wannida SAE-TANG, Shen Chuan LIU, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "1D Frequency Transformation-Based Amplitude-Only Images for Copyright- and Privacy-Protection in Image Trading Systems",
    ECTI Trans. Computer and Information Technology, Vol. 8, No. 2, pp. 133-144, 2014-11-01. [webpage] [Publish]
  152. Suvit POOMRITTIGUL, Masahiro IWAHASHI, Hitoshi KIYA,
    "Reduction of Lifting Steps of Non Separable 2D Quadruple Lifting DWT Compatible with Separable 2D DWT",
    IEICE Trans. Fundamentals, Vol. E97-A , No. 7, pp. 1492-1499, 2014-07-01. [webpage]
  153. Wannida SAE-TANG, Shen Chuan LIU, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Copyright- and Privacy-Protected Image Trading System Using Fingerprinting in Discrete Wavelet Domain with JPEG 2000",
    IEICE Trans. Fundamentals, Vol. E97-A , No. 11, pp. 2107-2113, 2014-11-01. [DOI] [webpage] [Publish]
  154. Toshiyuki DOBASHI, Atsushi TASHIRO, Masahiro IWAHASHI, Hitoshi KIYA,
    "A fixed-point implementation of tone mapping operation for HDR images expressed in floating-point format",
    APSIPA Trans. Signal and Information Processing, Vol. 3, pp. e11, 2014-10-08. [webpage] [Publish]
  155. Taku ODAKA, Wannida SAE-TANG, Masaaki FUJIYOSHI, Hiroyuki KOBAYASHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "An Efficient Lossless Compression Method Using Histogram Packing for HDR Images in OpenEXR Format",
    IEICE Trans. Fundamentals, Vol. E97-A , No. 11, pp. 2181-2183, 2014-11-01. [DOI] [webpage] [Publish]
  156. Toshiyuki DOBASHI, Tatsuya MUROFUSHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "A Fixed-Point Global Tone Mapping Operation for HDR Images in the RGBE Format",
    IEICE Trans. Fundamentals, Vol. E97-A, No. 11, pp. 2147-2153, 2014-11-01. [DOI] [webpage]
  157. Shen Chuan LIU, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Cheat-Prevention Visual Secret Sharing Scheme with Minimum Pixel Expansion",
    LNCS, Y.Q. Shi, H.-J. Kim, and F. Pérez-González, Eds. Springer Berlin Heidelgerg, Vol. 8389, pp. 362-375, 2014-07-09. [DOI] [webpage]
  158. Masahiro IWAHASHI, Taichi YOSHIDA, Norrima Binti Mokhtar, Hitoshi KIYA,
    "Bit-Depth Scalable Lossless Coding for High Dynamic Range Images",
    EURASIP Journal on Advances in Signal Processing, pp. 2015:22, 2015-03-10. [DOI] [webpage]
  159. Khairul Munadi, Mohammad Syaryadhi BASYIRUDDIN, Fitri Arnia, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Secure Online Image Trading System for Untrusted Cloud Environments",
    SpringerPlus.2015, Vol. 4, No. 277, 2015-06-17. [DOI] [webpage]
  160. Kenta KURIHARA, Masanori KIKUCHI, Shoko IMAIZUMI, Sayaka SHIOTA, Hitoshi KIYA,
    "An Encryption-then-Compression System for JPEG / Motion JPEG Standard",
    IEICE Trans. Fundamentals, Vol. E98-A, No. 11, pp. 2238-2245, 2015-11-01. [DOI]
  161. Toshiyuki DOBASHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "A Unified Tone Mapping Operation for HDR Images Including Both Floating-Point and Integer Data",
    LNCS, Y. -S. Ho, J. Sang, Y. M. Ro, J. Kim, and F. Wu, Eds. Springer-Verlag, Vol. 9314, pp. 321-333, 2015-09-16. [DOI]
  162. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "Histogram-Based Near-Lossless Data Hiding and Its Application to Image Compression",
    LNCS, Y. -S. Ho, J. Sang, Y. M. Ro, J. Kim, and F. Wu, Eds. Springer-Verlag, Vol. 9315, pp. 225-235, 2015-09-16. [DOI]
  163. Ibuki NAKAMURA, Yoshihide TONOMURA, Hitoshi KIYA,
    "Unitary Transform-Based Tempalte Protection and Its Application to l2-norm Minimization Problems",
    IEICE Trans. Inf. & Sys., Vol. E99-D, No. 1, pp. 60-68, 2016-01-02.
  164. Hitoshi KIYA, Toshiyuki DOBASHI,
    "An Efficient Unified-Tone-Mapping Operation for HDR Images with Various Formats",
    ITE Transactions on Media Technology and Applications, Vol. 4, No. 1, pp. 2-9, 2016-01-01.
  165. Fairoza Amira Binti HAMZAH, Masahiro IWAHASHI, Taichi YOSHIDA, Hitoshi KIYA,
    "Adaptive Directional Lifting Structure of Three Dimensional Non-separable Discrete Wavelet Transform for High Resolution Volumetric Data Compression",
    IEICE Trans. Fundamentals, Vol. E99-A, No. 5, pp. 892-899, 2016-05-01.
  166. Hiroyuki KOBAYASHI, Shoko IMAIZUMI, Hitoshi KIYA,
    "A Robust Identification Scheme for JPEG XR Images with Various Compression Ratios",
    LNCS, T. Bräunl, B. McCane, M. Rivera, and X. Yu, Eds. Springer-Verlag, Vol. 9431, pp. 38-50, 2016-02-04. [DOI] [Publish]
  167. Toshiyuki DOBASHI, Masahiro IWAHASHI, Hitoshi KIYA,
    "A Unified Tone Mapping Operation for HDR Images Expressed in Integer Data",
    IEICE Trans. Fundamentals, Vol. E.99-A, No. 3, pp. 774-776, 2016-03-01.
  168. Teerapong ORACHON, Taichi YOSHIDA, Masahiro IWAHASHI, Hitoshi KIYA,
    "Channel Scaling for Integer Implementation of Minimum Lifting 2D Wavelet Transform",
    IEICE Trans. Fundamentals, Vol. E.99-A, No. 7, 2016-07-01.
  169. Teerapong ORACHON, Masahiro IWAHASHI, Taichi YOSHIDA, Hitoshi KIYA,
    "Word Length Allocation for Multiplier Coefficients of Minimum Lifting Non-Separable 2D Wavelet Transform",
    IEEJ Transactions on Electronics, Information and Systems, Vol. 136, No. 9, 2016-09-01. [webpage]
  170. Yuma KINOSHITA, Sayaka SHIOTA, Masahiro IWAHASHI, Hitoshi KIYA,
    "A Remapping Operation without Tone Mapping Parameters for HDR Images",
    IEICE Trans. Fundamentals, Vol. E99-A, No. 11, pp. 1955-1961, 2016-11-01.
  171. Kenta IIDA, Hitoshi KIYA,
    "Fuzzy Commitment Scheme-Based Secure Identification for JPEG Images with Various Compression Ratios",
    IEICE Trans. Fundamentals, Vol. E99-A, No. 11, pp. 1962-1970, 2016-11-01.
  172. Kenta KURIHARA, Shoko IMAIZUMI, Sayaka SHIOTA, Hitoshi KIYA,
    "An Encryption-then-Compression System for Lossless Image Compression Standards",
    IEICE Trans. Inf. & Sys., Vol. E100-D, No. 1, pp. 52-56, 2017-01-01.
  173. Kenta IIDA, Hitoshi KIYA,
    "Fuzzy Commitment Scheme-Based Secure Identification for JPEG XR Images under Various Compression Ratios",
    ITE Transactions on Media Technology and Applications, Vol. 5, No. 2, pp. 67-76, 2017-04-01.
  174. Shoko IMAIZUMI, Takeshi OGASAWARA, Hitoshi KIYA,
    "Block-Permutation-Based Encryption Scheme with Enhanced Color Scrambling",
    LNCS, P. Sharma, F. Bianchi, Eds. Springer-Verlag , Vol. 10269, pp. 562-573, 2017-05-19. [DOI] [webpage]
  175. Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "Fast Inverse Tone Mapping Based on Reinhard's Global Operator with Estimated Parameters",
    IEICE Trans. Fundamentals, Vol. E100-A, No. 11, pp. 2248-2255, 2017-11-01.
  176. Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A Blind Reversible Data Hiding Method for High Dynamic Range Images Taking Advantage of Sparse Histogram,” Proc. International Workshop on Digital-Forensics and Watermarking",
    LNCS, C. Kraetzer, Y.-Q. Shi, J. Dittmann, H. Kim, Eds. Springer-Verlag, Vol. 10431, pp. 347-361, 2017-07-26. [DOI]
  177. Sayaka MINEWAKI, Masahiro IWAHASHI, Hiroyuki KOBAYASHI, Taichi YOSHIDA, Hitoshi KIYA,
    "Near lossless coding of sparse histogram images based on zero-skip quantization",
    Multimedia Tools and Applications, 2017-09-01. [DOI] [webpage]
  178. Kenta IIDA, Hitoshi KIYA,
    "Robust Image Identification without Visible Information for JPEG Images",
    IEICE Trans. Inf. & Sys., Vol. 101-D, No. 1, pp. 13-19, 2018-01-01.
  179. Tatsuya CHUMAN, Kenta KURIHARA, Hitoshi KIYA,
    "On the Security of Block Scrambling-based EtC Systems against Extended Jigsaw Puzzle Solver Attacks",
    IEICE Trans. Inf. & Sys., Vol. E101-D, No. 1, pp. 37-44, 2018-01-01.
  180. Taichi YOSHIDA, Masahiro IWAHASHI, Hitoshi KIYA,
    "Two-layer lossless coding for high dynamic range images based on range compression and adaptive inverse tone-mapping",
    IEICE Trans. Fundamentals, Vol. E101-A, No. 1, pp. 259-266, 2018-01-01.
  181. Shihono MOCHIZUKI, Sayaka SHIOTA, Hitoshi KIYA,
    "Voice liveness detection based on phoneme information-based pop-noise detector",
    IEICE Trans., Vol. J101-D, No. 3, pp. 588-596, 2018-03-01.
  182. Anu Aryal, Shoko IMAIZUMI, Takahiko HORIUCHI, Hitoshi KIYA,
    "Integrated Model of Image Protection Techniques",
    MDPI Journal of Imaging, Vol. 4, No. 1, 2018-01-01. [webpage] [Publish]
  183. Tatsuya CHUMAN, Hitoshi KIYA,
    "Security Evaluation for Block Scrambling-Based Image Encryption Including JPEG Distortion against Jigsaw Puzzle Solver Attacks",
    IEICE Trans. Fundamentals, Vol. E101-A, No. 12, pp. 2405-2408, 2018-12-01.
  184. Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "A Pseudo Multi-Exposure Fusion Method Using Single Image",
    IEICE Trans. Fundamentals, Vol. E101-A, No. 11, pp. 1806-1814, 2018-11-01.
  185. Osamu WATANABE, Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "Two-Layer Lossless HDR Coding using Histogram Packing Technique with Backward Compatibility to JPEG",
    IEICE Trans. Fundamentals, Vol. E101-A, No. 11, pp. 1823-1831, 2018-11-01.
  186. Shoko IMAIZUMI, Hitoshi KIYA,
    "A Block-Permutation-Based Encryption Scheme with Independent Processing of RGB Components",
    IEICE Trans. Inf. & Sys., Vol. E101-D, No. 12, pp. 3150-3157, 2018-12-01.
  187. Hitoshi KIYA,
    "Compressible and Learnable Encryption for Untrusted Cloud Enviroments",
    APSIPA Magazine, pp. 12-15, 2018-11-01.
  188. Yuma KINOSHITA, Hitoshi KIYA,
    "Automatic Exposure Compensation Using an Image Segmentation Method for Single-Image-Based Multi-Exposure Fusion.",
    APSIPA Trans. Signal and Information Processing, Vol. 7, pp. E22, 2018-12-01. [DOI]
  189. Kenta IIDA, Hitoshi KIYA,
    "Robust Image Identification with DC Coefficients for Double-compressed JPEG Images",
    IEICE Trans. Inf. & Sys., Vol. E102-D, No. 1, pp. 2-10, 2019-01-01.
  190. Tatsuya CHUMAN, Kenta IIDA, Warit SIRICHOTEDUMRONG, Hitoshi KIYA,
    "Image Manipulation Specifications on Social Networking Services for Encryption-then-Compression Systems",
    IEICE Trans. Inf. & Sys., Vol. E102-D, No. 1, pp. 11-18, 2019-01-01.
  191. Tatsuya CHUMAN, Warit SIRICHOTEDUMRONG, Hitoshi KIYA,
    "Encryption-then-Compression Systems using Grayscale-based Image Encryption for JPEG Images",
    IEEE Trans. on Information Forensics and Security, Vol. 14, No. 6, pp. 1515-1525, 2019-06-01.
  192. Sayaka MINEWAKI, Taichi YOSHIDA, Yoshinori TAKEI, Masahiro IWAHASHI, Hitoshi KIYA,
    "Noise Bias Compensation for Tone Mapped Noisy Image Using Prior Knowledge",
    APSIPA Trans. Signal and Information Processing, Vol. 8, pp. E3, 2019-01-01. [DOI]
  193. Warit SIRICHOTEDUMRONG, Hitoshi KIYA,
    "Grayscale-based Block Scrambling Image Encryption using YCbCr Color Space for Encryption-then-Compression Systems",
    APSIPA Trans. Signal and Information Processing, Vol. 8, pp. E7, 2019-02-01.
  194. Yusuke Sugawara, Sayaka SHIOTA, Hitoshi KIYA,
    "Checkerboard Artifacts Free Convolutional Neural Networks",
    APSIPA Trans. Signal and Information Processing, Vol. 8, pp. E9, 2019-02-19. [DOI] [webpage]
  195. Wannida SAE-TANG, Masaaki FUJIYOSHI, Hitoshi KIYA,
    "A New Copyright- and Privacy-Protected Image Trading System Using a Novel Steganography-Based Visual Encryption Scheme",
    ECTI Trans. Electrical Eng., Electronics, and Commun., Vol. 17, No. 1, pp. 95-107, 2019-03-01. [webpage]
  196. Noriyuki MATSUNAMI, Masahiro NAGAI, Hitoshi KIYA,
    "Effectiveness of Learning Support by Expert Teachers in Lessons Using a Digital Pen",
    Educational technology research, Vol. 41, No. 1, pp. 25-38, 2019-02-28. [webpage] [Publish]
  197. Yuma KINOSHITA, Hitoshi KIYA,
    "iTM-Net: Deep Inverse Tone Mapping Using Novel Loss Function Considering Tone Mapping Operator",
    IEEE Access, Vol. 7, No. 1, pp. 73555-73563, 2019-05-27. [DOI]
  198. Yuma KINOSHITA, Hitoshi KIYA,
    "Scene Segmentation-Based Luminance Adjustment for Multi-Exposure Image Fusion",
    IEEE Trans. Image Processing, Vol. 28, No. 8, pp. 4101-4116, 2019-08-01. [DOI] [webpage]
  199. Hiroyuki KOBAYASHI, Osamu WATANABE, Hitoshi KIYA,
    "Two-layer Near-lossless HDR Coding using Zero-Skip Quantization with Backward Compatibility to JPEG",
    IEICE Trans. Fundamentals, Vol. E102-A, No. 12, 2019-12-01.
  200. Yuma KINOSHITA, Kouki SEO, Artit VISAVAKITCHAROEN, Hitoshi KIYA,
    "A hue-preserving tone mapping scheme based on constant-hue plane without gamut problem",
    IEICE Trans. Fundamentals, Vol. E102-A, No. 12, 2019-12-01.
  201. Chihiro GO, Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "An Image Fusion Scheme for Single-Shot High Dynamic Range Imaging with Spatially Varying Exposures",
    IEICE Trans. Fundamentals, Vol. E102-A, No. 12, 2019-12-01.
  202. Takahiro Maekawa, Ayana KAWAMURA, Takayuki NAKACHI, Hitoshi KIYA,
    "Privacy-Preserving Support Vector Machine Computing Using Random Unitary Transformation",
    IEICE Trans. Fundamentals, Vol. E102-A, No. 12, 2019-12-01.
  203. Hiroyuki KOBAYASHI, Hitoshi KIYA,
    "File-Size Preserving Encryption of JPEG Images in the Bitstream Domain",
    IEICE Transactions on Information and Systems, Vol. J102-D, 2019-12-01.
  204. Sayaka MINEWAKI, Fairoza Amira Binti HAMZAH, Taichi YOSHIDA, Masahiro IWAHASHI, Hitoshi KIYA,
    "Noise Bias Compensation for Reconstructed HDR Images in Two Layer Coding",
    IEEJ Transactions on Electronics, Information and Systems, Vol. 139, No. 12, pp. 1442-1451, 2019-12-01. [webpage]
  205. Warit SIRICHOTEDUMRONG, Yuma KINOSHITA, Hitoshi KIYA,
    "Pixel-Based Image Encryption Without Key Management for Privacy-Preserving Deep Neural Networks",
    IEEE Access, Vol. 7, pp. 177844-177855, 2019-12-12. [DOI] [webpage] [Publish]
  206. April Pyone MAUNG MAUNG, Yuma KINOSHITA, Hitoshi KIYA,
    "Adversarial Robustness by One Bit Double Quantization for Visual Classification",
    IEEE Access, Vol. 7, No. 1, pp. 177932-177943, 2019-12-09. [DOI] [webpage] [Publish]
  207. Kenta IIDA, Hitoshi KIYA,
    "Image Identification of Encrypted JPEG Images for Privacy-preserving Photo Sharing Services",
    IEICE Trans. Inf. & Sys., Vol. E103-D, No. 1, pp. 25-32, 2020-01-01.
  208. Takayuki NAKACHI, Yukihiro Bandoh, Hitoshi KIYA,
    "Secure Overcomplete Dictionary Learning for Sparse Representation",
    IEICE Trans. Inf. & Sys., Vol. E103-D, No. 1, pp. 50-58, 2020-01-01.
  209. Ryota KAMINISHI, Haruna MIYAMOTO, Sayaka SHIOTA, Hitoshi KIYA,
    "Blind bandwidth extension with a non-linear function and its evaluation on automatic speaker verification",
    IEICE Trans. Inf. & Sys., Vol. E103-D, No. 1, pp. 42-49, 2020-01-01.
  210. Yuma KINOSHITA, Hitoshi KIYA,
    "Hue-Correction Scheme Based on Constant-Hue Plane for Deep-Learning-Based Color-Image Enhancement",
    IEEE Access, Vol. 8, No. 1, pp. 9540-9550, 2020-01-08. [DOI] [Publish]
  211. Takayuki NAKACHI, Hitoshi KIYA,
    "Secure OMP Based Pattern Recognition that Supports Image Compression",
    Signal & Image Processing: An International Journal, Vol. 11, No. 2, pp. 23-39, 2020-04-01. [Publish]
  212. Takayuki NAKACHI, Hitoshi KIYA,
    "Secure OMP Computation Maintaining Sparse Representations and Its Application to EtC Systems",
    IEICE Trans. Inf. & Sys., Vol. E103-D, No. 9, pp. 1988-1997, 2020-09-01. [webpage]
  213. Ayana KAWAMURA, Yuma KINOSHITA, Takayuki NAKACHI, Sayaka SHIOTA, Hitoshi KIYA,
    "A Privacy-Preserving Machine Learning Scheme Using EtC Images",
    IEICE Trans. Fundamentals, Vol. E103-A, No. 12, pp. 1571-1578, 2020-12-01. [webpage]
  214. Shoko IMAIZUMI, Yusuke Izawa, Ryoichi HIRASAWA, Hitoshi KIYA,
    "A Reversible Data Hiding Method in Compressible Encrypted Images",
    IEICE Trans. Fundamentals, Vol. E103-A, No. 12, pp. 1579-1588, 2020-12-01. [webpage]
  215. Takayuki NAKACHI, Hitoshi KIYA,
    "L0 Norm Optimization in Scrambled Sparse Representation Domain and Its Application to EtC System",
    IEICE Trans. Fundamentals, Vol. E103-A, No. 12, pp. 1589-1598, 2020-12-01. [webpage]
  216. Kouki SEO, Chihiro GO, Yuma KINOSHITA, Hitoshi KIYA,
    "Hue-Correction Scheme Considering Non-Linear Camera Response for Multi-Exposure Image Fusion",
    IEICE Trans. Fundamentals, Vol. E103-A, No. 12, pp. 1562-1570, 2020-12-01. [webpage]
  217. Yuma KINOSHITA, Hitoshi KIYA,
    "Hue-Correction Scheme Considering CIEDE2000 for Color-Image Enhancement Including Deep-Learning-Based Algorithms",
    APSIPA Trans. Signal and Information Processing, Vol. 9, No.1, e19, 2020-11-30. [webpage]
  218. Kenta IIDA, Hitoshi KIYA,
    "Privacy-Preserving Content-based Image Retrieval Using Compressible Encrypted Images",
    IEEE Access, Vol. 8, pp. 200038-200050, 2020-11-03. [DOI] [webpage] [Publish]
  219. Yukihiro Bandoh, Takayuki NAKACHI, Hitoshi KIYA,
    "Distributed secure sparse modeling based on random unitary transform",
    IEEE Access, Vol. 8, pp. 211762-211772, 2020-11-24. [DOI] [webpage]
  220. Masaaki FUJIYOSHI, Ruifeng LI, Hitoshi KIYA,
    "A Scheme of Reversible Data Hiding for the Encryption-then-Compression System",
    IEICE Trans. Inf. & Sys., Vol. E104-D, No. 1, pp. 43-50, 2021-01-01. [webpage] [Publish]
  221. Ryoya YAGUCHI, Sayaka SHIOTA, Nobutaka ONO, Hitoshi KIYA,
    "Replay Attack Detection Based on Spatial and Spectral Features of Stereo Signal",
    IPSJ Journal of Information Processing, Vol. 29, pp. 275-282, 2021-03-01. [DOI] [webpage] [Publish]
  222. April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "Block-wise Image Transformation with Secret Key for Adversarially Robust Defense",
    IEEE Trans. on Information Forensics and Security, pp. 2709-2723, 2021-03-01. [DOI] [webpage]
  223. Hiroki ITO, Yuma KINOSHITA, April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "Image to Perturbation: An Image Transformation Network for Generating Visually Protected Images for Privacy-Preserving Deep Neural Networks",
    IEEE Access, Vol. 9, pp. 64629-64638, 2021-04-22. [DOI] [webpage] [Publish]
  224. April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "A protection method of trained CNN model with a secret key from unauthorized access",
    APSIPA Trans. Signal and Information Processing, Vol. 10, No.1, e11, 2021-07-09. [DOI] [webpage] [Publish]
  225. Miki TANAKA, Sayaka SHIOTA, Hitoshi KIYA,
    "A Detection Method of Operated Fake-Images Using Robust Hashing",
    MDPI Journal of Imaging, Vol. 7, No. 8, 2021-08-05. [DOI] [webpage]
  226. Teruaki AKAZAWA, Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "Three-Color Balancing for Color Constancy Correction",
    MDPI Journal of Imaging, Vol. 7, No. 10, pp. 1-15, 2021-10-06. [DOI] [webpage]
  227. Ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA,
    "A Reversible Data Hiding Method in Encrypted Images for Controlling Trade-Off between Hiding Capacity and Compression Efficiency",
    MDPI Journal of Imaging, Vol. 7, No. 12, 2021-12-07. [DOI] [webpage]
  228. Hiroto KAI, Shinnosuke Takamichi, Sayaka SHIOTA, Hitoshi KIYA,
    "Lightweight and irreversible speech pseudonymization based on data-driven optimization of cascaded voice modification modules",
    Computer Speech and Language, Vol. 72, No. 101315, 2022-03-01. [DOI] [webpage]
  229. Ryo IMAIZUMI, Ryo MASUMURA, Sayaka SHIOTA, Hitoshi KIYA,
    "End-to-end Japanese Multi-dialect Speech Recognition and Dialect Identification with Multi-task Learning",
    APSIPA Trans. Signal and Information Processing, Vol. 11, No.1, e4, 2022-04-01. [webpage]
  230. Yuma KINOSHITA, Hitoshi KIYA,
    "Self-Supervised Intrinsic Image Decomposition Network Considering Reflectance Consistency",
    APSIPA Trans. Signal and Information Processing, Vol. 11, No.1, e3, 2022-04-01. [Publish]
  231. April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "Privacy-Preserving Image Classification Using Isotropic Network",
    IEEE MultiMedia, 2022-04-19. [webpage] [Publish]
  232. Hitoshi KIYA, April Pyone MAUNG MAUNG, Yuma KINOSHITA, Shoko IMAIZUMI, Sayaka SHIOTA,
    "An Overview of Compressible and Learnable Image Transformation with Secret Key and its Applications",
    APSIPA Trans. Signal and Information Processing, Vol. 11, No.1, e11, 2022-05-09. [DOI] [webpage]
  233. Teruaki AKAZAWA, Yuma KINOSHITA, Sayaka SHIOTA, Hitoshi KIYA,
    "N-white balancing: white balancing for multiple illuminants including non-uniform illumination",
    IEEE Access, Vol. 10, pp. 89051-89062, 2022-08-19. [DOI] [webpage]
  234. Hiroki ITO, April Pyone MAUNG MAUNG, Sayaka SHIOTA, Hitoshi KIYA,
    "Access Control of Semantic Segmentation Models Using Encrypted Feature Maps",
    APSIPA Trans. Signal and Information Processing, Vol. 11, No.1, e24, 2022-08-10. [DOI] [webpage]
  235. Hitoshi KIYA, Teru NAGAMORI, Shoko IMAIZUMI, Sayaka SHIOTA,
    "Privacy-Preserving Semantic Segmentation Using Vision Transformer",
    MDPI Journal of Imaging, Vol. 8, No. 9, 2022-08-30. [DOI] [webpage]
  236. Ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA,
    "A Reversible Data-Hiding Method with Prediction-Error Expansion in Compressible Encrypted Images",
    Applied Sciences, Vol. 12, No. 19, 2022-09-20. [DOI] [webpage]
  237. Hitoshi KIYA, Ryota IIJIMA, April Pyone MAUNG MAUNG, Yuma KINOSHITA,
    "Image and Model Transformation with Secret Key for Vision Transformer",
    IEICE Trans. Inf. & Sys., Vol. E106.D, No. 1, pp. 2-11, 2023-01-01. [DOI]
  238. Teru NAGAMORI, Hiroki ITO, April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "Access Control with Encrypted Feature Maps for Object Detection Models",
    IEICE Trans. Inf. & Sys., Vol. E106-D, No. 1, pp. 12-21, 2023-01-01. [DOI] [webpage]
  239. Ching-Chun Chang, Xu Wang, Sisheng Chen, Hitoshi KIYA, Isao ECHIZEN,
    "On the predictability in reversible steganography",
    Telecommunication Systems, 2023-01-09. [DOI] [webpage]
  240. Genki HAMANO, Shoko IMAIZUMI, Hitoshi KIYA,
    "Effects of JPEG Compression on Vision Transformer Image Classification for Encryption-then-Compression Images",
    MDPI Sensors, Vol. 23, No. 7, 2023-03-23. [DOI] [webpage]
  241. Zheng QI, April Pyone MAUNG MAUNG, Hitoshi KIYA,
    "Privacy-Preserving Image Classification Using ConvMixer with Adaptative Permutation Matrix and Block-Wise Scrambled Image Encryption",
    MDPI Journal of Imaging, Vol. 9, No. 4, 2023-04-01. [DOI] [webpage]
  242. Yuki Shiroma, Yuma KINOSHITA, Keisuke IMOTO, Sayaka SHIOTA, Nobutaka ONO, Hitoshi KIYA,
    "Missing Data Completion of Multi-channel Signals Using Autoencoder for Acoustic Scene Classification",
    APSIPA Trans. Signal and Information Processing, Vol. 12, no.3, e16, 2023-04-25. [DOI] [webpage]
  243. Tatsuya CHUMAN, Hitoshi KIYA,
    "A Jigsaw Puzzle Solver-Based Attack on Image Encryption Using Vision Transformer for Privacy-Preserving DNNs",
    MDPI Information, Vol. 14, No. 6, 2023-05-29. [DOI] [webpage]
  244. Ryota MOTOMURA, Shoko IMAIZUMI, Hitoshi KIYA,
    "Reversible Data Hiding in Compressible Encrypted Images with Capacity Enhancement",
    APSIPA Trans. Signal and Information Processing, Vol. 12, no.1, e31, 2023-07-04. [DOI] [webpage]
  245. Hitoshi KIYA, Ryota IIJIMA, Teru NAGAMORI,
    "Block-Wise Encryption for Reliable Vision Transformer models",
    ECTI Trans. Computer and Information Technology, Vol. 17, No. 3, pp. 409-419, 2023-09-02. [DOI] [webpage] [Publish]
  246. Teru NAGAMORI, Sayaka SHIOTA, Hitoshi KIYA,
    "Efficient Fine-Tuning with Domain Adaptation for Privacy-Preserving Vision Transformer",
    APSIPA Trans. Signal and Information Processing, Vol. 13, No.1, e8, 2024-04-08. [DOI] [webpage]
  247. Ryota IIJIMA, Sayaka SHIOTA, Hitoshi KIYA,
    "A Random Ensemble of Encrypted Vision Transformers for Adversarially Robust Defense",
    IEEE Access, Vol. 12, pp. 69206-69216, 2024-05-14. [DOI] [webpage]
  248. Mare Hirose, Shoko IMAIZUMI, Hitoshi KIYA,
    "Encryption Method for JPEG Bitstreams for Partially Disclosing Visual Information",
    MDPI electronics, Vol. 13, No. 11, 2024-05-22. [DOI]
  249. April Pyone MAUNG MAUNG, Isao ECHIZEN, Hitoshi KIYA,
    "Efficient Key-Based Adversarial Defense for ImageNet by Using Pre-trained Model",
    IEEE Open Journal of Signal Processing, Vol. 5, pp. 902-913, 2024-07-26. [DOI]
  250. April Pyone MAUNG MAUNG, Isao ECHIZEN, Hitoshi KIYA,
    "On the Security of Learnable Image Encryption for Privacy-Preserving Deep Learning",
    IEEE Access, Vol. 12, pp. 126415-126425, 2024-09-05. [DOI] [webpage]
  251. Shoko NIWA, Sayaka SHIOTA, Hitoshi KIYA,
    "Speech Privacy-preserving Methods Using Secret Key for Convolutional Neural Network Models and Their Robustness Evaluation",
    APSIPA Trans. Signal and Information Processing, Vol. 13, No. 1, 2024-10-23. [DOI] [webpage]
  252. Haiwei Lin , Shoko IMAIZUMI, Hitoshi KIYA,
    "Privacy-Preserving ConvMixer Without Any Accuracy Degradation Using Compressible Encrypted Images",
    MDPI Information, Vol. 15, No. 11, p. 723, 2024-11-11. [DOI] [webpage]
  253. Mare Hirose, Shoko IMAIZUMI, Hitoshi KIYA,
    "Learnable Image Encryption Without Key Management for Privacy-Preserving Vision Transformer",
    IEEE Access, Vol. 13, pp. 201351-201362, 2025-11-20. [DOI] [webpage] [Publish]
← Back to Hitoshi Kiya