… We consider a semantic communication model as illustrated in Fig. 1, where a semantic
information source W consists of some intrinsic states and features that cannot be directly …

… semantic information, which still appears elusive, we argue that, for many applications the
semantic … So by semantic information, we actually mean that there exists some intrinsic state (ie…

… The quest for a goal-oriented semantic communication theory has recently … rate-distortion
theory, we consider the problem of communicating a memoryless source, whose semantic, …

… communications. In this paper, we propose a task-oriented semantic communications with
semantic reconstruction (TOSC-SR) scheme for image semantic communications. Different …

… Abstract—This paper studies the fundamental limit of semantic communications over the …
send a semantic source consisting of an observation state and its corresponding semantic state, …

… -oriented semantic communication scheme with semantic reconstruction (… semantic-level
distortion during communications under a certain rate, which formulates a new rate-distortion …

… In the multi-task semantic communication system proposed in … rate distortion theory by
considering the semantic distortion between multiple tasks and the semantic perception distortion …

… takes the rate of the extracted semantics and the distortion of multiple AI tasks … ratedistortion,
coined as extended rate-distortion, which can guide the extraction of the compact semantics …

… rate distor- 98 tion theory for characterizing semantic information. We define and derive a
single-letter expression for the 100 semantic rate distortion … the semantic rate distortion function …

… rate–distortion–perception (RDP) performance toward the goal of high-fidelity semantic
communication. … the semantic content complexity, which facilitates the adaptive transmission …