Yuling Liu, Jiao Wu, Xianyi Chen, Vol. 15, No. 4, April 30, 2021
10.3837/tiis.2021.04.020

• Steganography
• Coverless Text Steganography
• Pretreatment
• Chinese Character Component
• Locating Mark
• Part of Speech

Xiucai Ding, Xianyi Chen, Mengling Zou, Guangxing Zhang, Vol. 14, No. 6, June 30, 2020
10.3837/tiis.2020.06.017

• Matrix denoising
• random matrix theory
• adaptive sparse singular value decomposition (ASSVD)
• anisotropic Marchenko-Pastur law.