Micropayment schemes with ability to return changes. - Ching-Nung Yang; Chih-Cheng Wu; Chih-Yang Chiu; Shin-Yan Chiou; Wen-Chiuan Liao (iiWAS, 2009)

Enhancing Privacy and Security in RFID-Enabled Banknotes. - Ching-Nung Yang; Jie-Ru Chen; Chih-Yang Chiu; Gen-Chin Wu; Chih-Cheng Wu (ISPA, 2009)

Visual Cryptography Based Watermarking: Definition and Meaning. - Stelvio Cimato; Ching-Nung Yang; Chih-Cheng Wu (IWDW, 2012)

Region-in-Region Incrementing Visual Cryptography Scheme. - Ching-Nung Yang; Yi-Chin Lin 001; Chih-Cheng Wu (IWDW, 2012)

Enhanced Matrix-Based Secret Image Sharing Scheme. - Ching-Nung Yang; Chih-Cheng Wu; Yi-Chin Lin 001; Cheonshik Kim (IEEE Signal Process. Lett., 2012)

$k$ Out of $n$ Region Incrementing Scheme in Visual Cryptography. - Ching-Nung Yang; Hsiang-Wen Shih; Chih-Cheng Wu; Lein Harn (IEEE Trans. Circuits Syst. Video Technol., 2012)

A Comment on "Sharing Secret Images Using Blakley's Concept". - Ching-Nung Yang; Chih-Cheng Wu; Chih-Wei Chou (IIH-MSP, 2013)

Cheating Immune Block-Based Progressive Visual Cryptography. - Ching-Nung Yang; Yi-Chin Lin 001; Chih-Cheng Wu (IWDW, 2013)

Essential secret image sharing scheme with different importance of shadows. - Peng Li 050; Ching-Nung Yang; Chih-Cheng Wu; Qian Kong; Yanpeng Ma (J. Vis. Commun. Image Represent., 2013)

MSRC: (M)icropayment (S)cheme with ability to (R)eturn (C)hanges. - Ching-Nung Yang; Chih-Cheng Wu (Math. Comput. Model., 2013)

A discussion on the relationship between probabilistic visual cryptography and random grid. - Ching-Nung Yang; Chih-Cheng Wu; Daoshun Wang (Inf. Sci., 2014)

Visual Cryptography Based Watermarking. - Stelvio Cimato; James C. N. Yang; Chih-Cheng Wu (Trans. Data Hiding Multim. Secur., 2014)

Reducing shadow size in essential secret image sharing by conjunctive hierarchical approach. - Ching-Nung Yang; Peng Li 050; Chih-Cheng Wu; Song-Ruei Cai (Signal Process. Image Commun., 2015)

k Out of n Region-Based Progressive Visual Cryptography. - Ching-Nung Yang; Chih-Cheng Wu; Yi-Chin Lin 001 (IEEE Trans. Circuits Syst. Video Technol., 2019)