New Adaptive Iterative Image Restoration Algorithm. - Steven Sheung-On Choy; Yuk-Hee Chan; Wan-Chi Siu (ICIP (2), 1994)

New Single-Pass Algorithm for Parallel Thinning. - Steven Sheung-On Choy; Clifford Sze-Tsan Choy; Wan-Chi Siu (Comput. Vis. Image Underst., 1995)

An improved quantitative measure of image restoration quality. - Steven Sheung-On Choy; Yuk-Hee Chan; Wan-Chi Siu (ICASSP, 1996)

A New Approach for Restoring Block-Transform Coded Images with Estimation of Correlation Matrices. - Steven Sheung-On Choy; Yuk-Hee Chan; Wan-Chi Siu (ICIP (2), 1997)

Reduction of block-transform image coding artifacts by using local statistics of transform coefficients. - Steven Sheung-On Choy; Yuk-Hee Chan; Wan-Chi Siu (IEEE Signal Process. Lett., 1997)

A very efficient algorithm for correction of skewed documents. - Steven Sheung-On Choy; Yuk-Hee Chan; Shiu-Wing Hui; Wan-Chi Siu (EUSIPCO, 2000)