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Speckle reduction is a key step in many remote sensing applications. By strongly affecting synthetic aperture radar (SAR) images, it makes them difficult to analyse. Due to the difficulty to model the spatial correlation of speckle, a deep…

Image and Video Processing · Electrical Eng. & Systems 2021-04-14 Emanuele Dalsasso , Loïc Denis , Florence Tupin

Predicting user churn in non-subscription gig platforms, where disengagement is implicit, poses unique challenges due to the absence of explicit labels and the dynamic nature of user behavior. Existing methods often rely on aggregated…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Sina Najafi , M. Hadi Sepanj , Fahimeh Jafari

In automotive systems, a radar is a key component of autonomous driving. Using transmit and reflected radar signal by a target, we can capture the target range and velocity. However, when interference signals exist, noise floor increases…

Signal Processing · Electrical Eng. & Systems 2019-11-13 Jiwoo Mun , Heasung Kim , Jungwoo Lee

Automotive radar emerges as a crucial sensor for autonomous vehicle perception. As more cars are equipped radars, radar interference is an unavoidable challenge. Unlike conventional approaches such as interference mitigation and…

Signal Processing · Electrical Eng. & Systems 2024-05-28 Lifan Xu , Shunqiao Sun , A. Lee Swindlehurst

Dual-functional radar-communication (DFRC) systems can simultaneously perform both radar and communication functionalities using the same hardware platform and spectrum resource. In this paper, we consider multi-input multi-output (MIMO)…

Signal Processing · Electrical Eng. & Systems 2022-01-25 Rang Liu , Ming Li , Qian Liu , A. Lee Swindlehurst

Remote sensing change detection is pivotal for urban monitoring, disaster assessment, and environmental resource management. Yet, unimodal deep learning methods frequently confuse genuine semantic changes with visually similar but…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Kai Zheng , Hang-Cheng Dong , Jiatong Pan , Zhenkai Wu , Fupeng Wei , Wei Zhang

Recent advancements in text-guided image editing have achieved notable success by leveraging natural language prompts for fine-grained semantic control. However, certain editing semantics are challenging to specify precisely using textual…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Haoguang Lu , Jiacheng Chen , Zhenguo Yang , Aurele Tohokantche Gnanha , Fu Lee Wang , Li Qing , Xudong Mao

Intelligent reflecting surface (IRS) is a promising technology for the 6th generation of wireless systems, realizing the smart radio environment concept. In this paper, we present a novel tensor-based receiver for IRS-assisted…

Information Theory · Computer Science 2022-05-23 Gilderlan Tavares de Araújo , André Lima Férrer de Almeida , Rémy Boyer , Gábor Fodor

Understanding the scene around the ego-vehicle is key to assisted and autonomous driving. Nowadays, this is mostly conducted using cameras and laser scanners, despite their reduced performances in adverse weather conditions. Automotive…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Arthur Ouaknine , Alasdair Newson , Patrick Pérez , Florence Tupin , Julien Rebut

Radar gait recognition is robust to light variations and less infringement on privacy. Previous studies often utilize either spectrograms or cadence velocity diagrams. While the former shows the time-frequency patterns, the latter encodes…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Shiliang Chen , Wentao He , Jianfeng Ren , Xudong Jiang

Intelligent reflecting surface (IRS) is a promising technology for beyond 5th Generation of the wireless communications. In fully passive IRS-assisted systems, channel estimation is challenging and should be carried out only at the base…

Simulating realistic radar data has the potential to significantly accelerate the development of data-driven approaches to radar processing. However, it is fraught with difficulty due to the notoriously complex image formation process. Here…

Robotics · Computer Science 2020-12-01 Rob Weston , Oiwi Parker Jones , Ingmar Posner

The task of composed image retrieval (CIR) aims to retrieve images based on the query image and the text describing the users' intent. Existing methods have made great progress with the advanced large vision-language (VL) model in CIR task,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yongchao Du , Min Wang , Wengang Zhou , Shuping Hui , Houqiang Li

Image-text models excel at image-level tasks but struggle with detailed visual understanding. While these models provide strong visual-language alignment, segmentation models like SAM2 offer precise spatial boundaries for objects. To this…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Yao Xiao , Qiqian Fu , Heyi Tao , Yuqun Wu , Zhen Zhu , Derek Hoiem

This paper addresses robust waveform design for multiple-input-multiple-output (MIMO) radar detection. A probabilistic model is proposed to describe the target uncertainty. Considering that waveform design based on maximizing the…

Signal Processing · Electrical Eng. & Systems 2022-04-12 Xuyang Wang , Bo Tang , Ming Zhang

Service robots should be able to interact naturally with non-expert human users, not only to help them in various tasks but also to receive guidance in order to resolve ambiguities that might be present in the instruction. We consider the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Georgios Tziafas , Hamidreza Kasaei

Medical image translation is crucial for reducing the need for redundant and expensive multi-modal imaging in clinical field. However, current approaches based on Convolutional Neural Networks (CNNs) and Transformers often fail to capture…

Image and Video Processing · Electrical Eng. & Systems 2024-11-21 Jiayu Huo , Sebastien Ourselin , Rachel Sparks

Despite significant advancements in environment perception capabilities for autonomous driving and intelligent robotics, cameras and LiDARs remain notoriously unreliable in low-light conditions and adverse weather, which limits their…

Computer Vision and Pattern Recognition · Computer Science 2025-01-31 Lei Cheng , Siyang Cao

Camouflaged object detection (COD) poses a significant challenge in computer vision due to the high similarity between objects and their backgrounds. Existing approaches often rely on heavy training and large computational resources. While…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Wutao Liu , YiDan Wang , Pan Gao

Remote Sensing Change Detection (RSCD) typically identifies changes in land cover or surface conditions by analyzing multi-temporal images. Currently, most deep learning-based methods primarily focus on learning unimodal visual information,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Yixiao Liu , Yizhou Yang , Jinwen Li , Jun Tao , Ruoyu Li , Xiangkun Wang , Min Zhu , Junlong Cheng