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Semantic communication aims to transmit information most relevant to a task rather than raw data, offering significant gains in communication efficiency for applications such as telepresence, augmented reality, and remote sensing. Recent…

Machine Learning · Computer Science 2025-12-18 Matin Mortaheb , Erciyes Karakaya , Sennur Ulukus

Text-conditioned generative models for volumetric medical imaging provide semantic control but lack explicit anatomical guidance, often resulting in outputs that are spatially ambiguous or anatomically inconsistent. In contrast,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Daniele Molino , Camillo Maria Caruso , Paolo Soda , Valerio Guarrasi

Text-to-video generation poses significant challenges due to the inherent complexity of video data, which spans both temporal and spatial dimensions. It introduces additional redundancy, abrupt variations, and a domain gap between language…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Ziqin Zhou , Yifan Yang , Yuqing Yang , Tianyu He , Houwen Peng , Kai Qiu , Qi Dai , Lili Qiu , Chong Luo , Lingqiao Liu

Generative semantic communication (SemCom) harnesses pretrained generative priors to improve the perceptual quality of wireless image transmission. Existing generative SemCom receivers, however, rely on maximum a posteriori (MAP)…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Shunpu Tang , Qianqian Yang

Semantic communication significantly reduces required bandwidth by understanding semantic meaning of the transmitted. However, current deep learning-based semantic communication methods rely on joint source-channel coding design and…

Signal Processing · Electrical Eng. & Systems 2023-08-08 Peiwen Jiang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Visual generative models based on latent space have achieved great success, underscoring the significance of visual tokenization. Mapping images to latents boosts efficiency and enables multimodal alignment for scaling up in downstream…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Yunpeng Qu , Kaidong Zhang , Yukang Ding , Ying Chen , Jian Wang

The focus of this paper is an information-theoretic study of retransmission protocols for reliable packet communication under a secrecy constraint. The hybrid automatic retransmission request (HARQ) protocol is revisited for a block-fading…

Information Theory · Computer Science 2016-11-17 Xiaojun Tang , Ruoheng Liu , Predrag Spasojevic , H. Vincent Poor

Recently, semantic communication has been investigated to boost the performance of end-to-end image transmission systems. However, existing semantic approaches are generally based on deep learning and belong to lossy transmission.…

Signal Processing · Electrical Eng. & Systems 2023-08-23 Guangyi Zhang , Qiyu Hu , Yunlong Cai , Guanding Yu

Inspired by the remarkable success of autoregressive models in language modeling, this paradigm has been widely adopted in visual generation. However, the sequential token-by-token decoding mechanism inherent in traditional autoregressive…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Siyang Wang , Hanting Li , Wei Li , Jie Hu , Xinghao Chen , Feng Zhao

Traditional image and video compression algorithms rely on hand-crafted encoder/decoder pairs (codecs) that lack adaptability and are agnostic to the data being compressed. Here we describe the concept of generative compression, the…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Shibani Santurkar , David Budden , Nir Shavit

Semantic communication is poised to play a pivotal role in shaping the landscape of future AI-driven communication systems. Its challenge of extracting semantic information from the original complex content and regenerating semantically…

Machine Learning · Computer Science 2023-09-07 Eleonora Grassucci , Yuki Mitsufuji , Ping Zhang , Danilo Comminiello

Automated code review comment generation (RCG) aims to assist developers by automatically producing natural language feedback for code changes. Existing approaches are primarily either generation-based, using pretrained language models, or…

Software Engineering · Computer Science 2025-06-16 Hyunsun Hong , Jongmoon Baik

A key practical constraint on the design of Hybrid automatic repeat request (HARQ) schemes is the size of the on-chip buffer that is available at the receiver to store previously received packets. In fact, in modern wireless standards such…

Information Theory · Computer Science 2015-04-01 Wonju Lee , Osvaldo Simeone , Joonhyuk Kang , Sundeep Rangan , Petar Popovski

Tacit knowledge plays a central role in human expertise, yet it remains difficult to capture, formalize, and reuse in machine-interpretable form. This challenge is especially relevant in procedural domains, where successful execution…

A status updating communication system is examined, in which a transmitter communicates with a receiver over a noisy channel. The goal is to realize timely delivery of fresh data over time, which is assessed by an age-of-information (AoI)…

Information Theory · Computer Science 2019-05-09 Ahmed Arafa , Karim Banawan , Karim G. Seddik , H. Vincent Poor

Recent advancements in video-language understanding have been established on the foundation of image-text models, resulting in promising outcomes due to the shared knowledge between images and videos. However, video-language understanding…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Xiao Wang , Yaoyu Li , Tian Gan , Zheng Zhang , Jingjing Lv , Liqiang Nie

Automatic repeat request (ARQ) is widely used in modern communication systems to improve transmission reliability. In conventional ARQ protocols developed for systems with energy-unconstrained receivers, an…

Information Theory · Computer Science 2016-11-17 Yuyi Mao , Jun Zhang , Khaled B. Letaief

Discrete image tokenizers have emerged as a key component of modern vision and multimodal systems, providing a sequential interface for transformer-based architectures. However, most existing approaches remain primarily optimized for…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Aram Davtyan , Yusuf Sahin , Yasaman Haghighi , Sebastian Stapf , Pablo Acuaviva , Alexandre Alahi , Paolo Favaro

Token communication has emerged as a promising framework for efficient wireless transmission by representing source data as compact semantic tokens. However, transmitting full semantic tokens still incurs considerable communication…

Information Theory · Computer Science 2026-05-05 Weixuan Chen , Qianqian Yang

Retrieval-augmented generation can improve audio captioning by incorporating relevant audio-text pairs from a knowledge base. Existing methods typically rely solely on the input audio as a unimodal retrieval query. In contrast, we propose…

Sound · Computer Science 2025-06-11 Choi Changin , Lim Sungjun , Rhee Wonjong