The use of contextual information in the reversible compression of medical images. - Tenkasi V. Ramabadran; Keshi Chen (IEEE Trans. Medical Imaging, 1992)

Near-lossless compression of medical images through entropy-coded DPCM. - Keshi Chen; Tenkasi V. Ramabadran (IEEE Trans. Medical Imaging, 1994)

Video compression by mean-corrected motion compensation of partial quadtrees. - Steve Calzone; Keshi Chen; Chih-Chwen Chuang; Ajay Divakaran; Simant Dube; Lyman Hurd; Jarkko Kari; Gang Liang; Fu-Huei Lin; John Muller; Hawley K. Rising III (IEEE Trans. Circuits Syst. Video Technol., 1997)

Similarity-based retrieval of images using color histograms. - Keshi Chen; Stephen Demko; Ruifeng Xie (Storage and Retrieval for Image and Video Databases (SPIE), 1999)

Image descriptors based on fractal transform analysis. - Stephen Demko; Mehdi Khosravi; Keshi Chen (Storage and Retrieval for Image and Video Databases (SPIE), 1999)