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cs.IT2025
Relatively-Secure LLM-Based Steganography via Constrained Markov Decision Processes
Yu-Shin Huang, Chao Tian, Krishna Narayanan +1
Linguistic steganography aims to conceal information within natural language text without being detected. An effective steganography approach should encode the secret message into…
cs.IT2025
Source-Channel Separation Theorems for Distortion Perception Coding
Chao Tian, Jun Chen, Krishna Narayanan
It is well known that separation between lossy source coding and channel coding is asymptotically optimal under classical additive distortion measures. Recently, coding under a new…