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For many tracking and surveillance applications, background subtraction provides an effective means of segmenting objects moving in front of a static background. Researchers have traditionally used combinations of morphological operations…

计算机视觉与模式识别 · 计算机科学 2014-11-17 Nicholas R. Howe , Alexandra Deschamps

Infrared small target detection remains challenging due to limited feature representation and severe background interference, resulting in sub-optimal performance. While recent CLIP-inspired methods attempt to leverage textual guidance for…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Zixuan Wang , Haoran Sun , Jiaming Lu , Wenxuan Wang , Zhongling Huang , Dingwen Zhang , Xuelin Qian , Junwei Han

Integrating multispectral data in object detection, especially visible and infrared images, has received great attention in recent years. Since visible (RGB) and infrared (IR) images can provide complementary information to handle light…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Maoxun Yuan , Yinyan Wang , Xingxing Wei

The problem of radar detection in compound Gaussian clutter when a radar signature is not completely known has not been considered yet and is addressed in this paper. We proposed a robust technique to detect, based on the generalized…

信号处理 · 电气工程与系统科学 2017-10-10 Mai P. T. Nguyen , I. Song

Infrared small object detection is an important computer vision task involving the recognition and localization of tiny objects in infrared images, which usually contain only a few pixels. However, it encounters difficulties due to the…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Shibiao Xu , ShuChen Zheng , Wenhao Xu , Rongtao Xu , Changwei Wang , Jiguang Zhang , Xiaoqiang Teng , Ao Li , Li Guo

Resolving closely-spaced small targets in dense clusters presents a significant challenge in infrared imaging, as the overlapping signals hinder precise determination of their quantity, sub-pixel positions, and radiation intensities. While…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Shengdong Han , Shangdong Yang , Xin Zhang , Yuxuan Li , Xiang Li , Jian Yang , Ming-Ming Cheng , Yimian Dai

The Minimum Covariance Determinant (MCD) approach robustly estimates the location and scatter matrix using the subset of given size with lowest sample covariance determinant. Its main drawback is that it cannot be applied when the dimension…

统计方法学 · 统计学 2021-01-13 Kris Boudt , Peter J. Rousseeuw , Steven Vanduffel , Tim Verdonck

Multispectral object detection, utilizing RGB and TIR (thermal infrared) modalities, is widely recognized as a challenging task. It requires not only the effective extraction of features from both modalities and robust fusion strategies,…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Chen Zhou , Peng Cheng , Junfeng Fang , Yifan Zhang , Yibo Yan , Xiaojun Jia , Yanyan Xu , Kun Wang , Xiaochun Cao

It is often difficult to obtain sufficient training data for adaptive signal detection, which is required to calculate the unknown noise covariance matrix. Additionally, interference is frequently present, which complicates the detecting…

应用统计 · 统计学 2023-06-14 Weijian Liu , Jun Liu , Tao Liu , Hui Chen , Yong-Liang Wang

We present a fully interpretable and flexible statistical method for background subtraction in roadside LiDAR data, aimed at enhancing infrastructure-based perception in automated driving. Our approach introduces both a Gaussian…

计算机视觉与模式识别 · 计算机科学 2026-02-18 Aitor Iglesias , Nerea Aranjuelo , Patricia Javierre , Ainhoa Menendez , Ignacio Arganda-Carreras , Marcos Nieto

Indoor traversability segmentation aims to identify safe, navigable free space for autonomous agents, which is critical for robotic navigation. Pure vision-based models often fail to detect thin obstacles, such as chair legs, which can pose…

机器人学 · 计算机科学 2026-03-10 Qiyuan An , Tuan Dang , Fillia Makedon

Infrared small targets are typically tiny and locally salient, which belong to high-frequency components (HFCs) in images. Single-frame infrared small target (SIRST) detection is challenging, since there are many HFCs along with targets,…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Ruojing Li , Chao Xiao , Qian Yin , Wei An , Nuo Chen , Xinyi Ying , Miao Li , Yingqian Wang

The reliability of grasp detection for target objects in complex scenes is a challenging task and a critical problem that needs to be solved urgently in practical application. At present, the grasp detection location comes from searching…

机器人学 · 计算机科学 2021-01-21 Mingshuai Dong , Shimin Wei , Xiuli Yu , Jianqin Yin

Small object detection under complex backgrounds remains a challenging task due to severe feature degradation, weak semantic representation, and inaccurate localization caused by downsampling operations and background interference. Existing…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Wenguang Tao , Xiaotian Wang , Tian Yan , Yi Wang , Jie Yan

Infrared small target detection is a key technique in infrared search and tracking (IRST) systems. Although deep learning has been widely used in the vision tasks of visible light images recently, it is rarely used in infrared small target…

计算机视觉与模式识别 · 计算机科学 2020-01-17 Mingxin Zhao , Li Cheng , Xu Yang , Peng Feng , Liyuan Liu , Nanjian Wu

Recently, infrared small target detection with single-point supervision has attracted extensive attention. However, the detection accuracy of existing methods has difficulty meeting actual needs. Therefore, we propose an innovative refined…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Jinmiao Zhao , Zelin Shi , Chuang Yu , Yunpeng Liu

Small target motion detection is critical for insects to search for and track mates or prey which always appear as small dim speckles in the visual field. A class of specific neurons, called small target motion detectors (STMDs), has been…

神经与进化计算 · 计算机科学 2018-07-12 Hongxin Wang , Jigen Peng , Shigang Yue

Detection and tracking are the basic tasks of radar systems. Current joint detection tracking methods, which focus on dynamically adjusting detection thresholds from tracking results, still present challenges in fully utilizing the…

信号处理 · 电气工程与系统科学 2025-09-09 Chenyu Zhang , Yuanhang Wu , Xiaoxi Ma , Wei Yi

Hyperspectral target detection is a pixel-level recognition problem. Given a few target samples, it aims to identify the specific target pixels such as airplane, vehicle, ship, from the entire hyperspectral image. In general, the background…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Can Yao , Yuan Yuan , Zhiyu Jiang

Detecting small targets at range is difficult because there is not enough spatial information present in an image sub-region containing the target to use correlation-based methods to differentiate it from dynamic confusers present in the…

计算机视觉与模式识别 · 计算机科学 2021-02-15 Tegan Emerson , Sarah Tymochko , George Stantchev , Jason A. Edelberg , Michael Wilson , Colin C. Olson