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Infrared small target detection plays a crucial role in military reconnaissance and air defense systems. However,existing low-rank sparse based methods still face high computational complexity when dealing with low-contrast small targets…

Image and Video Processing · Electrical Eng. & Systems 2025-12-04 Ke-Xin Li

Recently, the research interest of person re-identification (ReID) has gradually turned to video-based methods, which acquire a person representation by aggregating frame features of an entire video. However, existing video-based ReID…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Xinyang Jiang , Yifei Gong , Xiaowei Guo , Qize Yang , Feiyue Huang , Weishi Zheng , Feng Zheng , Xing Sun

Infrared dim and small target detection presents a significant challenge due to dynamic multi-frame scenarios and weak target signatures in the infrared modality. Traditional low-rank plus sparse models often fail to capture dynamic…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Pei Liu , Yisi Luo , Wenzhen Wang , Xiangyong Cao

Fusing Radar and Lidar sensor data can fully utilize their complementary advantages and provide more accurate reconstruction of the surrounding for autonomous driving systems. Surround Radar/Lidar can provide 360-degree view sampling with…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Wenjing Xie , Tao Hu , Neiwen Ling , Guoliang Xing , Chun Jason Xue , Nan Guan

Most existing multimodal trackers adopt uniform fusion strategies, overlooking the inherent differences between modalities. Moreover, they propagate temporal information through mixed tokens, leading to entangled and less discriminative…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Shilei Wang , Pujian Lai , Dong Gao , Jifeng Ning , Gong Cheng

We introduce bidirectional edge diffraction response function (BEDRF), a new approach to model wave diffraction around edges with path tracing. The diffraction part of the wave is expressed as an integration on path space, and the wave-edge…

Sound · Computer Science 2023-06-06 Chunxiao Cao , Zili An , Zhong Ren , Dinesh Manocha , Kun Zhou

The infrared small-dim target detection is one of the key techniques in the infrared search and tracking system. Since the local regions similar to infrared small-dim targets spread over the whole background, exploring the interaction…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Fangcen Liu , Chenqiang Gao , Fang Chen , Deyu Meng , Wangmeng Zuo , Xinbo Gao

The task of text-video retrieval aims to understand the correspondence between language and vision, has gained increasing attention in recent years. Previous studies either adopt off-the-shelf 2D/3D-CNN and then use average/max pooling to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-02 Ning Han , Jingjing Chen , Chuhao Shi , Yawen Zeng , Guangyi Xiao , Hao Chen

Consecutive frames in a video contain redundancy, but they may also contain relevant complementary information for the detection task. The objective of our work is to leverage this complementary information to improve detection. Therefore,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-19 Noreen Anwar , Guillaume-Alexandre Bilodeau , Wassim Bouachir

Infrared small target detection (ISTD) has been a critical technology in defense and civilian applications over the past several decades, such as missile warning, maritime surveillance, and disaster monitoring. Nevertheless, moving infrared…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Yian Huang , Qing Qin , Aji Mao , Xiangyu Qiu , Liang Xu , Xian Zhang , Zhenming Peng

Infrared small target detection (ISTD) is highly sensitive to sensor type, observation conditions, and the intrinsic properties of the target. These factors can introduce substantial variations in the distribution of acquired infrared image…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Yahao Lu , Yuehui Li , Xingyuan Guo , Shuai Yuan , Yukai Shi , Liang Lin

IRSTD (InfraRed Small Target Detection) detects small targets in infrared blurry backgrounds and is essential for various applications. The detection task is challenging due to the small size of the targets and their sparse distribution in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Pranav Singh , Pravendra Singh

Despite the recent success of neural networks in image feature learning, a major problem in the video domain is the lack of sufficient labeled data for learning to model temporal information. In this paper, we propose an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Linchao Zhu , Zhongwen Xu , Yi Yang

The detection of moving infrared dim-small targets has been a challenging and prevalent research topic. The current state-of-the-art methods are mainly based on ConvLSTM to aggregate information from adjacent frames to facilitate the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Dengyan Luo , Yanping Xiang , Hu Wang , Luping Ji , Shuai Li , Mao Ye

Infrared small target detection (ISTD) is challenging because tiny, low-contrast targets are easily obscured by complex and dynamic backgrounds. Conventional multi-frame approaches typically learn motion implicitly through deep neural…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Nian Liu , Jin Gao , Shubo Lin , Yutong Kou , Sikui Zhang , Fudong Ge , Zhiqiang Pu , Liang Li , Gang Wang , Yizheng Wang , Weiming Hu

LiDAR and Radar are two complementary sensing approaches in that LiDAR specializes in capturing an object's 3D shape while Radar provides longer detection ranges as well as velocity hints. Though seemingly natural, how to efficiently…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Yingjie Wang , Jiajun Deng , Yao Li , Jinshui Hu , Cong Liu , Yu Zhang , Jianmin Ji , Wanli Ouyang , Yanyong Zhang

Video Shadow Detection (VSD) aims to detect the shadow masks with frame sequence. Existing works suffer from inefficient temporal learning. Moreover, few works address the VSD problem by considering the characteristic (i.e., boundary) of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Haipeng Zhou , Honqiu Wang , Tian Ye , Zhaohu Xing , Jun Ma , Ping Li , Qiong Wang , Lei Zhu

This study addresses the issue of fusing infrared and visible images that appear differently for object detection. Aiming at generating an image of high visual quality, previous approaches discover commons underlying the two modalities and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Jinyuan Liu , Xin Fan , Zhanbo Huang , Guanyao Wu , Risheng Liu , Wei Zhong , Zhongxuan Luo

Accurate and robust LiDAR 3D object detection is essential for comprehensive scene understanding in autonomous driving. Despite its importance, LiDAR detection performance is limited by inherent constraints of point cloud data, particularly…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Rui Yu , Runkai Zhao , Cong Nie , Heng Wang , HuaiCheng Yan , Meng Wang

3D object detection is a core component of automated driving systems. State-of-the-art methods fuse RGB imagery and LiDAR point cloud data frame-by-frame for 3D bounding box regression. However, frame-by-frame 3D object detection suffers…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Emeç Erçelik , Ekim Yurtsever , Alois Knoll