Shigeyuki Ishii, Mitsuru Sugeno, Takuya Takahashi, Madoka Hasegawa, Shigeo Kato,"A Study on Lossless Coding of Still Image for Digital Museum," 2001 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'01), Tokushima, Japan, pp.236-239, July 2001.
Atsushi Shindo, Takayuki Yui, Madoka Hasegawa, Shigeo Kato,"Study on Improvement of Constrained Average Method Using Laplacian Distribution," 2001 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'01), Tokushima, Japan, pp.410-413, July 2001.
Naohide Yamada, Madoka Hasegawa, Shigeo Kato,"A Study on Adaptive Wavelet Transform for Still Images with Hierarchical Block Division," 2001 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'01), Tokushima, Japan, pp.1212-1215, July 2001.
Hiroyuki Matsunami, Tomihiko Sakazawa, Madoka Hasegawa, Shigeo Kato,"Comparison of Variable-Length Codes Suitable for One-Sided and Two-Sided Geometric Distribution Sources," Proceedings of 2001 Picture Coding Symposium (PCS'01), Seoul, Korea, WP1-9, pp.45-48, Apr. 2001.
Takashi Yamada, Tomokazu Onuki, Madoka Hasegawa, Shigeo Kato,"Study on a Digital Watermarking Method for Still Images Using Wavelet Transform," Proceedings of 2001 Picture Coding Symposium (PCS'01), Seoul, Korea, WP4-7, pp.109-112, Apr. 2001.