Tzung-Her Chen

Publication Activity (10 Years)

Years Active: 2005-2024
Publications (10 Years): 21

Top Topics

Visual Cryptography

Access Structure

Signcryption Scheme

Top Venues

Multim. Tools Appl.

Int. J. Netw. Secur.

J. Vis. Commun. Image Represent.

Publications

Xi-Wen Wu, Tzung-Her Chen
Security enhancement of an (n, n) threshold non-expansible XOR-based visual cryptography with unique meaningful shares. Multim. Tools Appl. 83 (10) (2024)
Chien-Ding Lee, Jhih-Hong Li, Tzung-Her Chen
A Blockchain-Enabled Authentication and Conserved Data Aggregation Scheme for Secure Smart Grids. IEEE Access 11 (2023)
Tzung-Her Chen, Jing-Ya Yan
A Security-enhanced Steganography Scheme for RGBE-format HDR Images. IIAI-AAI (2023)
Chien-Ding Lee, Zhen-Hong Liao, Tzung-Her Chen
Medical cooperative authenticated key agreement schemes with involvement of personal care assistant in telemedicine. Comput. Methods Programs Biomed. 221 (2022)
Tzung-Her Chen, Wei-Bin Lee, Hsing-Bai Chen, Chien-Lung Wang
Revisited - The Subliminal Channel in Blockchain and Its Application to IoT Security. Symmetry 13 (5) (2021)
Ting-Le Zhu, Tzung-Her Chen
A Patient-Centric Key Management Protocol for Healthcare Information System based on Blockchain. DSC (2021)
Tzung-Her Chen, Ting-Le Zhu, Fuh-Gwo Jeng, Chien-Lung Wang
Blockchain as a CA: A Provably Secure Signcryption Scheme Leveraging Blockchains. Secur. Commun. Networks 2021 (2021)
Tzung-Her Chen, Jing-Ya Yan
Commutative encryption and authentication for OpenEXR high dynamic range images. Multim. Tools Appl. 80 (18) (2021)
Tzung-Her Chen, Tzu-Ching Chang, Ting-Le Zhu
Security-enhanced cloud-based image secret sharing and authentication using POB number system. Multim. Tools Appl. 80 (2) (2021)
Chien-Ding Lee, Tzung-Her Chen
New Secure and Practical E-Mail Protocol with Perfect Forward Secrecy. Symmetry 13 (7) (2021)
Tzung-Her Chen, Xi-Wen Wu
Multiple secret image sharing with general access structure. Multim. Tools Appl. 79 (19-20) (2020)
Bing-Jian Wang, Tzer-Shyong Chen, Fuh-Gwo Jeng, Tzung-Her Chen
On the security of threshold random grid-based visual secret sharing. Multim. Tools Appl. 78 (8) (2019)
Tai-Yuan Tu, Tzung-Her Chen, Ji-Min Yang, Chih-Hung Wang
A Weighted Threshold Visual Cryptography. ICS (2018)
Tzung-Her Chen, Kai-Siang Lin, Chih-Hung Lin
On the design of a two-decoding-option image secret sharing scheme. Multim. Tools Appl. 77 (7) (2018)
Tzung-Her Chen, Tzu-Ching Chang
On the security of a BTC-based-compression image authentication scheme. Multim. Tools Appl. 77 (10) (2018)
Jyun-Ci Huang, Fuh-Gwo Jeng, Tzung-Her Chen
A new buyer-seller watermarking protocol without multiple watermarks insertion. Multim. Tools Appl. 76 (7) (2017)
I-Chun Weng, Tzung-Her Chen
A Novel Weighted Visual Cryptography Scheme with High Visual Quality. Int. J. Netw. Secur. 19 (6) (2017)
Fuh-Gwo Jeng, Shu-Yuan Lin, Bing-Jian Wang, Chih-Hung Wang, Tzung-Her Chen
On the Security of Privacy-preserving Keyword Searching for Cloud Storage Services. Int. J. Netw. Secur. 18 (3) (2016)
Fuh-Gwo Jeng, Yan-Ting Wu, Tzung-Her Chen
A multi-watermarking protocol for health information management. Multim. Tools Appl. 75 (14) (2016)
Fuh-Gwo Jeng, Jyun-Ci Huang, Tzung-Her Chen
An Improved Anonymous Buyer-Reseller Watermarking Protocol. Int. J. Netw. Secur. 18 (4) (2016)
Tzung-Her Chen, Yao-Sheng Lee, Chih-Hung Lin
On the difficulty of aligning VSS random grids. Signal Process. Image Commun. 44 (2016)
Chih-Hung Lin, Yao-Sheng Lee, Tzung-Her Chen
Friendly progressive random-grid-based visual secret sharing with adaptive contrast. J. Vis. Commun. Image Represent. 33 (2015)
Kai-Hsiang Tsao, Shyong Jian Shyu, Chih-Hung Lin, Yao-Sheng Lee, Tzung-Her Chen
Visual multiple-secret sharing for flexible general access structure by random grids. Displays 39 (2015)
Fuh-Gwo Jeng, Wei-Lun Huang, Tzung-Her Chen
Cryptanalysis and improvement of two hyper-chaos-based image encryption schemes. Signal Process. Image Commun. 34 (2015)
Ci-Lin Li, Chih-Yang Lin, Tzung-Her Chen
Efficient Compression-Jointed Quality Controllable Scrambling Method for H.264/SVC. Int. J. Netw. Secur. 17 (3) (2015)
Chih-Hung Lin, Tzung-Her Chen, Yan-Ting Wu, Kai-Hsiang Tsao, Kai-Siang Lin
Multi-factor cheating prevention in visual secret sharing by hybrid codebooks. J. Vis. Commun. Image Represent. 25 (7) (2014)
Kai-Siang Lin, Chih-Hung Lin, Tzung-Her Chen
Distortionless visual multi-secret sharing based on random grid. Inf. Sci. 288 (2014)
Tzung-Her Chen, Bing-Jian Wang, Yao-Sheng Lee
A random grid-based cyclic access structure VSS scheme for multiple secret images. Displays 34 (5) (2013)
Chih-Hung Lin, Tzung-Her Chen, Chun-Wei Chiu
Color image authentication with tamper detection and remedy based on BCH and Bayer Pattern. Displays 34 (1) (2013)
Jing-Ya Yan, Tzung-Her Chen, Chih-Hung Lin
Encryption in High Dynamic Range Images for RGBE Format. IIH-MSP (2013)
Tzung-Her Chen, Bing-Jian Wang, Tai-Yuan Tu, Chih-Hung Wang
A security-enhanced key agreement protocol based on chaotic maps. Secur. Commun. Networks 6 (1) (2013)
Kai-Siang Lin, Tzung-Her Chen, Chih-Hung Lin, Sheng-Shiang Chang
A Tailor-Made Encryption Scheme for High-Dynamic Range Images. ICGEC (2013)
Sheng-Shiang Chang, Chih-Hung Lin, Tzung-Her Chen, Kai-Siang Lin
Robust Watermarking for Multiple Images and Users Based on Visual Cryptography. ICGEC (2013)
Tzung-Her Chen, Yao-Sheng Lee, Wei-Lun Huang, Justie Su-tzu Juan, Ying-Yu Chen, Ming-Jheng Li
Quality-adaptive visual secret sharing by random grids. J. Syst. Softw. 86 (5) (2013)
Chih-Hung Lin, Shu-Yuan Lin, Tzung-Her Chen
Dynamic range optimization by flexible local contrast enhancement using luminance map. ICDIP (2013)
Yao-Sheng Lee, Bing-Jian Wang, Tzung-Her Chen
Quality-improved threshold visual secret sharing scheme by random grids. IET Image Process. 7 (2) (2013)
Chih-Hung Lin, Tzung-Her Chen, Chang-Sian Wu
A batch image encryption scheme based on chaining random grids. Sci. Iran. 20 (3) (2013)
Yao-Sheng Lee, Tzung-Her Chen
Insight into collusion attacks in random-grid-based visual secret sharing. Signal Process. 92 (3) (2012)
Tzung-Her Chen, Kai-Hsiang Tsao, Yao-Sheng Lee
Yet another multiple-image encryption by rotating random grids. Signal Process. 92 (9) (2012)
Chih-Yang Lin, Panyaporn Prangjarote, Li-Wei Kang, Wei-Lun Huang, Tzung-Her Chen
Joint fingerprinting and decryption with noise-resistant for vector quantization images. Signal Process. 92 (9) (2012)
Tzung-Her Chen, Kuang-Che Li
Multi-image encryption by circular random grids. Inf. Sci. 189 (2012)
Tzung-Her Chen, Kai-Hsiang Tsao
User-Friendly Random-Grid-Based Visual Secret Sharing. IEEE Trans. Circuits Syst. Video Technol. 21 (11) (2011)
Tzung-Her Chen, Kai-Hsiang Tsao
Threshold visual secret sharing by random grids. J. Syst. Softw. 84 (7) (2011)
Chih-Yang Lin, Wei-Lun Huang, Tzung-Her Chen
Noise-Resistant Joint Fingerprinting and Decryption Based on Vector Quantization. BWCCA (2010)
Tzung-Her Chen, Yan-Ting Wu
A new protocol of wide use for e-mail with perfect forward secrecy. J. Zhejiang Univ. Sci. C 11 (1) (2010)
Tzung-Her Chen, Jyun-Ci Huang
A novel user-participating authentication scheme. J. Syst. Softw. 83 (5) (2010)
Tzung-Her Chen, Wei-Lun Huang, Chih-Yang Lin
Chaos-Based Image Integrity Authentication Code. IIH-MSP (2010)
Tzung-Her Chen, Yao-Sheng Lee, Ci-Lin Li
High-Capacity Multi-secret Sharing by Random Grid. BWCCA (2010)
Tzung-Her Chen, Yan-Ting Wu, Yue-Rong Lin
Medical Video Encryption Based on H.264/AVC with Near-Lossless Compression. IIH-MSP (2009)
Tzung-Her Chen, Yao-Sheng Lee
Yet Another Friendly Progressive Visual Secret Sharing Scheme. IIH-MSP (2009)
Tzung-Her Chen, Kai-Hsiang Tsao
Visual secret sharing by random grids revisited. Pattern Recognit. 42 (9) (2009)
Tzung-Her Chen, Kai-Hsiang Tsao, Yan-Ting Yang
Friendly Color Visual Secret Sharing by Random Grids. Fundam. Informaticae 96 (1-2) (2009)
Tzung-Her Chen, Kai-Hsiang Tsao, Kuo-Chen Wei
Multiple-Image Encryption by Rotating Random Grids. ISDA (3) (2008)
Dahua Xie, Tzung-Her Chen, C.-C. Jay Kuo
Distortion-Aware Multimedia Authentication using an Enhanced Hash Function. MMSP (2005)