Hitoshi KIYA and Masaaki FUJIYOSHI, “Signal and Image Processing in the Encrypted Domain,”ECTI Transactions on Computer Engineering, Computer and Information Technology, vol.6, no.1, pp.11–18, May 2012.
Masahiro IWAHASHI, Masanori OGAWA, and Hitoshi KIYA, “Avoidance of Singular Point in Integer Orthonormal Transform for Lossless Coding,”IEEE Trans. Signal Processing, vol.60, no.5, pp.2648–2653, May 2012.
Osamu WATANABE, Takahiro FUKUHARA, and Hitoshi KIYA, “Codestream-Based Identification of JPEG 2000 Images with Different Coding Parameters,”IEICE Transactions on Information and Systems, vol.E95-D, no.4, pp.1120–1129, April 2012.
著書
Masahiro Iwahashi and Hitoshi Kiya, "Discrete Wavelet Transforms - A Compendium of New Approaches and Recent Applications, Edited by Awad Kh. Al - Asmari," InTech, ISBN: 978-953-51-0940-2, February 2013
Masaaki Fujiyoshi and Hitoshi Kiya, "Multimedia Information Hiding Technologies and Methodologies for Controlling Data," IGI Global, ISBN: 978-146-662-217-3, October 2012
Yuichi MURAKI, Masaaki FUJIYOSHI, and Hitoshi KIYA, “A Decryption-Free Secure Face Recognition System,” Proc. International Workshop on Advanced Image Technology, no.SPS-3, p.780, Nagoya,Japan, 8th January, 2013.
Wannida SAE-TANG, Masaaki FUJIYOSHI, Hiroyuki KOBAYASHI, and Hitoshi KIYA, “Intensity Range Reduction for Amplitude-Only Images,” Proc. International Workshop on Advanced Image Technology, no.5A-1, pp.322–327, Nagoya,Japan, 8th January, 2013.
Yin Ping CHEW, Takuya SHIBATA, Masahiro IWAHASHI, and Hitoshi KIYA, “Lossless Bit Depth Scalable Coding for Floating Point Images,” Proc. International Workshop on Advanced Image Technology, no.2C-5, pp.169–174, Nagoya,Japan, 7th January, 2013.
Masaaki FUJIYOSHI and Hitoshi KIYA, “Generalized Histogram Shifting-Based Reversible Data Hiding with an Adaptive Binary-to-q-ary Converter,” Proc. APSIPA Annual Summit and Conference, no.PS.6-IVM.19-2, Los Angeles, CA, the U.S., 6th December, 2012.
Masahiro IWAHASHI and Hitoshi KIYA, “Efficient Lossless Bit Depth Scalable Coding for HDR Images,” Proc. APSIPA Annual Summit and Conference, no.OS.49-IVM.17-5, Los Angeles, CA, the U.S., 6th December, 2012.
Shoko IMAIZUMI, Naokazu AOKI, Hiroyuki KOBAYASHI, and Hitoshi KIYA, “Multi-dimensional Key Assignment for Hierarchical Media Access Control with Collusion Resilience,” Proc. IARIA International Conference on Systems and Networks Communications, no.ICSNC4-1, pp.77–82, Lisbon, Portugal, 20th November, 2012.
Hiroyuki KOBAYASHI, Masahiro IWAHASHI, and Hitoshi KIYA, “Weighted Median Cut Quantization and Its Applications,” Proc. IEEE International Symposium on Intelligent Signal Processing and Communication Systems, no.D4.2, pp.509–514, New Taipei City, Taiwan, R.O.C., 6th November, 2012.
Wannida SAE-TANG, Mika SUGIYAMA, Masaaki FUJIYOSHI, and Hitoshi KIYA, “Non-Separable Weighted Median-Cut Quantization for Images with Sparse Color Histogram,” Proc. IEEE International Symposium on Intelligent Signal Processing and Communication Systems, no.D2.5, pp.473–478, New Taipei City, Taiwan, R.O.C., 6th November, 2012.
Toshiyuki DOBASHI, Osamu WATANABE, Takahiro FUKUHARA, and Hitoshi KIYA, “Hash-Based Identification of JPEG 2000 Images in Encrypted Domain,” Proc. IEEE International Symposium on Intelligent Signal Processing and Communication Systems, no.D2.4, pp.469–472, New Taipei City, Taiwan, R.O.C., 6th November, 2012.
Shoko IMAIZUMI, Naokazu AOKI, Hiroyuki KOBAYASHI, and Hitoshi KIYA, “Hierarchical Key Assignment Scheme for Multimedia Access Control with Modified Hash Chain,” Proc. IEEE International Conference on Intelligent Information Hiding and Multimedia Signal Processing, no.CM-2.1, pp.293–296, Piraeus, Greece, 20th July, 2012.
Shen Chuan LIU, Masaaki FUJIYOSHI, and Hitoshi KIYA, “A Commutative Scheme of Perceptual Cryptography and Image Compression for JPEG 2000,” Proc. International Technical Conference on Circuits/Systems, Computers and Communications, no.E-W1-04, Sapporo, Japan, 18th July, 2012.
Masaaki FUJIYOSHI and Hitoshi KIYA, “A Visually-Lossless Data Hiding Method Based on Histogram Modification,” Proc. IEEE International Symposium on Circuits and Systems, no.B5P-R.1, pp.1692–1695, Seoul, Korea, 22nd May, 2012.
Masahiro IWAHASHI, Hiroyuki KOBAYASHI, and Hitoshi KIYA, “Fine Rate Control and High SNR Coding for Sparse Histogram Images,” Proc. Picture Coding Symposium, no.P2a-9, pp.205–208, Krakow, Poland, 8th May, 2012.