Title	A Lossless Watermarking Scheme for Halftone Image Authentication
Author	Jeng-Shyang Pan, Hao Luo, Zhe-Ming Lu
Citation	Vol. 6  No. 2  pp. 147~151
Keywords	Halftone image, Lossless watermarking, Hash sequence, Image authentication

Title	Contrast Enhancement Technique of Dark Blurred Image
Author	Naglaa Yehya Hassan, Norio Aakamatsu
Citation	Vol. 6  No. 2  pp. 223~226
Keywords	Digital image, sigmoid function, contrast enhancement, image processing and un-sharp masking.

Title	Image retrieval based on RST-invariant features
Author	Zhe-Ming Lu, Dan-Ni Li, Hans Burkhardt
Citation	Vol. 6  No. 2  pp. 169~174
Keywords	Image retrieval, invariant features, RST invariant features, log-polar transformations.

Title	New High Speed Normalized Neural Networks for Fast Pattern Discovery on Web Pages
Author	Hazem M. El-Bakry
Citation	Vol. 6  No. 2  pp. 142~152
Keywords	Fast Neural Networks, Cross Correlation, Image Normalization in the Frequency Domain