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Super-resolution and denoising are ill-posed yet fundamental image restoration tasks. In blind settings, the degradation kernel or the noise level are unknown. This makes restoration even more challenging, notably for learning-based…

Image and Video Processing · Electrical Eng. & Systems 2020-07-24 Majed El Helou , Ruofan Zhou , Sabine Süsstrunk

Unlike single image task, stereo image enhancement can use another view information, and its key stage is how to perform cross-view feature interaction to extract useful information from another view. However, complex noise in low-light…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Minghua Zhao , Xiangdong Qin , Shuangli Du , Xuefei Bai , Jiahao Lyu , Yiguang Liu

Most existing semantic communication systems employ analog modulation, which is incompatible with modern digital communication systems. Although several digital transmission approaches have been proposed to address this issue, an end-to-end…

Image and Video Processing · Electrical Eng. & Systems 2025-10-31 Haoshuo Zhang , Yufei Bo , Jianhua Mo , Meixia Tao

We address the problem of semantic correspondence, that is, establishing a dense flow field between images depicting different instances of the same object or scene category. We propose to use images annotated with binary foreground masks…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Junghyup Lee , Dohyung Kim , Wonkyung Lee , Jean Ponce , Bumsub Ham

Digital and analog semantic communications (SemCom) face inherent limitations such as data security concerns in analog SemCom, as well as leveling-off and cliff-edge effects in digital SemCom. In order to overcome these challenges, we…

Signal Processing · Electrical Eng. & Systems 2024-05-29 Huiqiang Xie , Zhijin Qin , Zhu Han , Khaled B. Letaief

Traditional single-modality sensing faces limitations in accuracy and capability, and its decoupled implementation with communication systems increases latency in bandwidth-constrained environments. Additionally, single-task-oriented…

Machine Learning · Computer Science 2025-03-13 Yubo Peng , Luping Xiang , Kun Yang , Feibo Jiang , Kezhi Wang , Dapeng Oliver Wu

Recently, the ever-increasing demand for bandwidth in multi-modal communication systems requires a paradigm shift. Powered by deep learning, semantic communications are applied to multi-modal scenarios to boost communication efficiency and…

Signal Processing · Electrical Eng. & Systems 2023-05-19 Yangshuo He , Guanding Yu , Yunlong Cai

Deep learning-based semantic communication (SemCom) has emerged as a promising paradigm for next-generation wireless networks, offering superior transmission efficiency by extracting and conveying task-relevant semantic latent…

Cryptography and Security · Computer Science 2025-12-04 Zhiyuan Xi , Kun Zhu

Image denoising aims to remove noise while preserving structural details and perceptual realism, yet distortion-driven methods often produce over-smoothed reconstructions, especially under strong noise and distribution shift. This paper…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Nam Nguyen , Thinh Nguyen , Bella Bose

This paper explores the integration of deep learning techniques for joint sensing and communications, with an extension to semantic communications. The integrated system comprises a transmitter and receiver operating over a wireless…

Networking and Internet Architecture · Computer Science 2024-10-22 Yalin E. Sagduyu , Tugba Erpek , Aylin Yener , Sennur Ulukus

Image denoising is a classic restoration problem. Yet, current deep learning methods are subject to the problems of generalization and interpretability. To mitigate these problems, in this project, we present a framework that is capable of…

Image and Video Processing · Electrical Eng. & Systems 2021-06-18 Haley Owsianko , Florian Cassayre , Qiyuan Liang

Existing deep learning-based speech denoising approaches require clean speech signals to be available for training. This paper presents a deep learning-based approach to improve speech denoising in real-world audio environments by not…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-25 Nasim Alamdari , Arian Azarang , Nasser Kehtarnavaz

Fingerprint image denoising is a very important step in fingerprint identification. to improve the denoising effect of fingerprint image,we have designs a fingerprint denoising algorithm based on deep encoder-decoder network,which encoder…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Weiya Fan

Most of current semantic communication (SemCom) frameworks focus on the image transmission, which, however, do not address the problem on how to deliver digital signals without any semantic features. This paper proposes a novel SemCom…

Signal Processing · Electrical Eng. & Systems 2025-04-03 Zhigang Yan , Dong Li

Semantic communications seeks to transfer information from a source while conveying a desired meaning to its destination. We model the transmitter-receiver functionalities as an autoencoder followed by a task classifier that evaluates the…

Cryptography and Security · Computer Science 2022-12-21 Yalin E. Sagduyu , Tugba Erpek , Sennur Ulukus , Aylin Yener

Class activation maps are widely used for explaining deep neural networks. Due to its ability to highlight regions of interest, it has evolved in recent years as a key step in weakly supervised learning. A major limitation to the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-07 Hang-Cheng Dong , Yuhao Jiang , Yingyan Huang , Jingxiao Liao , Bingguo Liu , Dong Ye , Guodong Liu

During the acquisition of an image from its source, noise always becomes an integral part of it. Various algorithms have been used in past to denoise the images. Image denoising still has scope for improvement. Visual information…

Image and Video Processing · Electrical Eng. & Systems 2019-09-17 Santosh Paudel , Ajay Kumar Shrestha , Pradip Singh Maharjan , Rameshwar Rijal

To reduce network traffic and support environments with limited resources, a method for transmitting images with minimal transmission data is required. Several machine learning-based image compression methods, which compress the data size…

Networking and Internet Architecture · Computer Science 2024-08-06 Eri Hosonuma , Taku Yamazaki , Takumi Miyoshi , Akihito Taya , Yuuki Nishiyama , Kaoru Sezaki

With the rapid development of autonomous driving and extended reality, efficient transmission of point clouds (PCs) has become increasingly important. In this context, we propose a novel channel-adaptive cross-modal generative semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Wanting Yang , Zehui Xiong , Qianqian Yang , Ping Zhang , Merouane Debbah , Rahim Tafazolli

Removing noise from images is a challenging and fundamental problem in the field of computer vision. Images captured by modern cameras are inevitably degraded by noise which limits the accuracy of any quantitative measurements on those…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Nikhil Verma , Deepkamal Kaur , Lydia Chau