Hitoshi KIYA

Secure Overcomplete Dictionary Learning for Sparse Representation

Takayuki NAKACHI, Yukihiro BANDOH, Hitoshi KIYA, 2020, IEICE Trans. Inf. Syst..

Robust Image Identification with DC Coefficients for Double-Compressed JPEG Images

Hitoshi KIYA, Kenta IIDA, 2019, IEICE Trans. Inf. Syst..

A Reversible Data Hiding Method in Compressible Encrypted Images

Hitoshi KIYA, Shoko IMAIZUMI, Yusuke IZAWA, 2020, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Image Identification of Encrypted JPEG Images for Privacy-Preserving Photo Sharing Services

Hitoshi KIYA, Kenta IIDA, 2020, IEICE Trans. Inf. Syst..