Delving into the Methods of Coverless Image Steganography. - Koi Yee Ng; Simying Ong; KokSheik Wong (APSIPA, 2019)

Relabel, Scramble, Synthesize: A Novel Coverless Steganography Approach via Collage Image. - Koi Yee Ng; Simying Ong; Yuen Peng Loh; Chee Seng Chan (APSIPA ASC, 2021)

Improved Median-Filtered Data Embedding Method for Image Enhancement. - Koi Yee Ng; Simying Ong; KokSheik Wong (ISPACS, 2022)

Can StArtGAN withstand Image Processing Attacks? - Koi Yee Ng; Simying Ong; Yuen Peng Loh (APSIPA ASC, 2023)

Improving data extraction accuracy for median filter-based data hiding method. - Koi Yee Ng; Wenting Zhu; Simying Ong (J. Inf. Secur. Appl., 2025)