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相关论文: Contrastive Learning based Semantic Communication …

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Recent advances in semantic communication (SC) have introduced neural network (NN)-based transceivers that convey semantic representation (SR) of signals such as images. However, these NNs are trained over diverse image distributions and…

信号处理 · 电气工程与系统科学 2025-07-24 Hyelin Nam , Jihong Park , Jinho Choi , Seong-Lyun Kim

X-ray computed tomography (CT) is widely used in medical imaging, with sparse-view reconstruction offering an effective way to reduce radiation dose. However, ill-posed conditions often result in severe streak artifacts. Recent advances in…

图像与视频处理 · 电气工程与系统科学 2025-12-30 Jiashu Dong , Jiabing Xiang , Lisheng Geng , Suqing Tian , Wei Zhao

Exemplar-based image translation establishes dense correspondences between a conditional input and an exemplar (from two different domains) for leveraging detailed exemplar styles to achieve realistic image translation. Existing work builds…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Fangneng Zhan , Yingchen Yu , Rongliang Wu , Jiahui Zhang , Shijian Lu , Changgong Zhang

Contrastive learning has achieved great success in self-supervised visual representation learning, but existing approaches mostly ignored spatial information which is often crucial for visual representation. This paper presents…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Xinyue Huo , Lingxi Xie , Longhui Wei , Xiaopeng Zhang , Hao Li , Zijie Yang , Wengang Zhou , Houqiang Li , Qi Tian

Recently, contrastive learning-based image translation methods have been proposed, which contrasts different spatial locations to enhance the spatial correspondence. However, the methods often ignore the diverse semantic relation within the…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Chanyong Jung , Gihyun Kwon , Jong Chul Ye

Nowadays, the demand for image transmission over wireless networks has surged significantly. To meet the need for swift delivery of high-quality images through time-varying channels with limited bandwidth, the development of efficient…

计算工程、金融与科学 · 计算机科学 2024-02-13 Mohammad Amin Jarrahi , Eirina Bourtsoulatze , Vahid Abolghasemi

Despite the success of contrastive learning (CL) in vision and language, its theoretical foundations and mechanisms for building representations remain poorly understood. In this work, we build connections between noise contrastive…

机器学习 · 计算机科学 2025-02-28 Zihao Chen , Chi-Heng Lin , Ran Liu , Jingyun Xiao , Eva L Dyer

Self-Supervised Learning (SSL) is a paradigm that leverages unlabeled data for model training. Empirical studies show that SSL can achieve promising performance in distribution shift scenarios, where the downstream and training…

机器学习 · 计算机科学 2023-12-13 Xuyang Zhao , Tianqi Du , Yisen Wang , Jun Yao , Weiran Huang

Contrastive learning -- a modern approach to extract useful representations from unlabeled data by training models to distinguish similar samples from dissimilar ones -- has driven significant progress in foundation models. In this work, we…

机器学习 · 统计学 2025-10-15 Licong Lin , Song Mei

Recently, contrastive learning (CL) has emerged as a successful method for unsupervised graph representation learning. Most graph CL methods first perform stochastic augmentation on the input graph to obtain two graph views and maximize the…

机器学习 · 计算机科学 2021-03-01 Yanqiao Zhu , Yichen Xu , Feng Yu , Qiang Liu , Shu Wu , Liang Wang

Conventional image compression methods typically aim at pixel-level consistency while ignoring the performance of downstream AI tasks.To solve this problem, this paper proposes a Semantic-Assisted Image Compression method (SAIC), which can…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Qizheng Sun , Caili Guo , Yang Yang , Jiujiu Chen , Xijun Xue

Deep learning (DL) based semantic communication methods have been explored to transmit images efficiently in recent years. In this paper, we propose a generative model based semantic communication to further improve the efficiency of image…

图像与视频处理 · 电气工程与系统科学 2022-11-21 Tianxiao Han , Jiancheng Tang , Qianqian Yang , Yiping Duan , Zhaoyang Zhang , Zhiguo Shi

Contrastive learning (CL) approaches have gained great recognition as a very successful subset of self-supervised learning (SSL) methods. SSL enables learning from unlabeled data, a crucial step in the advancement of deep learning,…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Mohamed Hassan , Mohammad Wasil , Sebastian Houben

Task-oriented semantic communication systems have emerged as a promising approach to achieving efficient and intelligent data transmission in next-generation networks, where only information relevant to a specific task is communicated. This…

机器学习 · 计算机科学 2025-07-03 Omar Erak , Omar Alhussein , Wen Tong

As digital technologies advance, communication networks face challenges in handling the vast data generated by intelligent devices. Autonomous vehicles, smart sensors, and IoT systems necessitate new paradigms. This thesis addresses these…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Francesco Pezone

Pre-trained Language Models (PLMs) have achieved remarkable performance gains across numerous downstream tasks in natural language understanding. Various Chinese PLMs have been successively proposed for learning better Chinese language…

计算与语言 · 计算机科学 2022-09-16 Borun Chen , Hongyin Tang , Jiahao Bu , Kai Zhang , Jingang Wang , Qifan Wang , Hai-Tao Zheng , Wei Wu , Liqian Yu

Representation learning offers a conduit to elucidate distinctive features within the latent space and interpret the deep models. However, the randomness of lesion distribution and the complexity of low-quality factors in medical images…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Qingshan Hou , Shuai Cheng , Peng Cao , Jinzhu Yang , Xiaoli Liu , Osmar R. Zaiane , Yih Chung Tham

Camera sensors have been widely used in intelligent robotic systems. Developing camera sensors with high sensing efficiency has always been important to reduce the power, memory, and other related resources. Inspired by recent success on…

图像与视频处理 · 电气工程与系统科学 2023-10-11 Bowen Zhang , Zhijin Qin , Geoffrey Ye Li

Self-Supervised Learning (SSL) enables us to pre-train foundation models without costly labeled data. Among SSL methods, Contrastive Learning (CL) methods are better at obtaining accurate semantic representations in noise interference.…

图像与视频处理 · 电气工程与系统科学 2026-02-06 Hengtong Shen , Haiyan Gu , Haitao Li , Yi Yang , Agen Qiu

With the rapid development of Artificial Intelligent Internet of Things (AIoT), the image data from AIoT devices has been witnessing the explosive increasing. In this paper, a novel deep image semantic communication model is proposed for…

计算机视觉与模式识别 · 计算机科学 2023-11-09 Li Ping Qian , Yi Zhang , Sikai Lyu , Huijie Zhu , Yuan Wu , Xuemin Sherman Shen , Xiaoniu Yang