A Novel Subliminal Channel Found in Visual Cryptography and Its Application to Image Hiding. - Tzungher Chen; Chang-Sian Wu; Wei-Bin Lee (IIH-MSP, 2007)

On the security of a copyright protection scheme based on visual cryptography. - Tzungher Chen; Chin-Chen Chang 001; Chang-Sian Wu; Der-Chyuan Lou (Comput. Stand. Interfaces, 2009)

Compression-unimpaired batch-image encryption combining vector quantization and index compression. - Tzungher Chen; Chang-Sian Wu (Inf. Sci., 2010)

Efficient multi-secret image sharing based on Boolean operations. - Tzungher Chen; Chang-Sian Wu (Signal Process., 2011)

A batch image encryption scheme based on chaining random grids. - Chih-Hung Lin; Tzung-Her Chen; Chang-Sian Wu (Sci. Iran., 2013)

Thickness dependence on electrical and reliability properties for dense and porous low dielectric constant materials. - Kai-Chieh Kao; Chi-Jia Huang; Chang-Sian Wu; Yi-Lung Cheng (IRPS, 2015)

Electrical and reliability performance of atomic layer deposition HfO2 capping layer on porous low dielectric constant materials. - Kai-Chieh Kao; Chi-Jia Huang; Chang-Sian Wu; Yi-Lung Cheng (IRPS, 2015)