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Aiming at the detection difficulties of infrared images such as complex background, low signal-to-noise ratio, small target size and weak brightness, a lightweight infrared small target detection algorithm ISTD-YOLO based on improved YOLOv7…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Shang Zhang , Yujie Cui , Ruoyan Xiong , Huanbin Zhang

Small targets are often submerged in cluttered backgrounds of infrared images. Conventional detectors tend to generate false alarms, while CNN-based detectors lose small targets in deep layers. To this end, we propose iSmallNet, a…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Zhiheng Hu , Yongzhen Wang , Peng Li , Jie Qin , Haoran Xie , Mingqiang Wei

Infrared small object detection (ISOS) aims to segment small objects only covered with several pixels from clutter background in infrared images. It's of great challenge due to: 1) small objects lack of sufficient intensity, shape and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Chenyi Wang , Huan Wang , Peiwen Pan

Due to the complicated background and noise of infrared images, infrared small target detection is one of the most difficult problems in the field of computer vision. In most existing studies, semantic segmentation methods are typically…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Yuhang Chen , Liyuan Li , Xin Liu , Xiaofeng Su , Fansheng Chen

Infrared small target detection plays an important role in the infrared search and tracking applications. In recent years, deep learning techniques were introduced to this task and achieved noteworthy effects. Following general object…

Image and Video Processing · Electrical Eng. & Systems 2025-07-15 Fang Chen , Chenqiang Gao , Fangcen Liu , Yue Zhao , Yuxi Zhou , Deyu Meng , Wangmeng Zuo

Infrared small target detection (IRSTD) is critical for applications like remote sensing and surveillance, which aims to identify small, low-contrast targets against complex backgrounds. However, existing methods often struggle with…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Shuying Li , Qiang Ma , San Zhang , Chuang Yang

Monitoring small objects against cluttered moving backgrounds is a huge challenge to future robotic vision systems. As a source of inspiration, insects are quite apt at searching for mates and tracking prey -- which always appear as small…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Hongxin Wang , Jigen Peng , Xuqiang Zheng , Shigang Yue

Since targets are small in long range infrared (IR) videos, it is challenging to accurately detect targets in those videos. In this paper, we propose a high performance approach to detecting small targets in long range and low quality…

Computer Vision and Pattern Recognition · Computer Science 2020-12-07 Chiman Kwan , Bence Budavari

Using integral transforms to the end of lines detection in images with complex background, makes the detection a hard task needing additional processing to manage the detection. As an integral transform, the Scale Space Radon Transform…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Aicha Baya Goumeidane , Djemel Ziou , Nafaa Nacereddine

Detection of a target with known spectral signature when this target may occupy only a fraction of the pixel is an important issue in hyperspectral imaging. We recently derived the generalized likelihood ratio test (GLRT) for such sub-pixel…

Signal Processing · Electrical Eng. & Systems 2020-03-27 Olivier Besson , François Vincent

Recently, infrared small target detection has attracted extensive attention. However, due to the small size and the lack of intrinsic features of infrared small targets, the existing methods generally have the problem of inaccurate edge…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Jinmiao Zhao , Chuang Yu , Zelin Shi , Yunpeng Liu , Yingdi Zhang

Infrared small target detection (IRSTD) faces significant challenges due to the low signal-to-noise ratio (SNR), small target size, and complex cluttered backgrounds. Although recent DETR-based detectors benefit from global context…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Yuteng Liu , Duanni Meng , Maoxun Yuan , Xingxing Wei

The generalized likelihood ratio test (GLRT) is used to derive a detector for solid sub-pixel targets in hyperspectral imagery. A closed-form solution is obtained that optimizes the replacement target model when the background is a…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 James Theiler , Beate Zimmer , Amanda Ziemann

Infrared small target detection and segmentation (IRSTDS) is a critical yet challenging task in defense and civilian applications, owing to the dim, shapeless appearance of targets and severe background clutter. Recent CNN-based methods…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Maoxun Yuan , Duanni Meng , Ziteng Xi , Tianyi Zhao , Shiji Zhao , Yimian Dai , Xingxing Wei

Current CNN-based infrared small target detection(IRSTD) methods generally overlook the heterogeneity between shallow and deep features, leading to inefficient collaboration between shallow fine grained structural information and deep…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Taoran Yue , Xiaojin Lu , Jiaxi Cai , Yuanping Chen , Shibing Chu

With the advancement of aerospace technology and the increasing demands of military applications, the development of low false-alarm and high-precision infrared small target detection algorithms has emerged as a key focus of research…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Taoran Yue , Xiaojin Lu , Jiaxi Cai , Yuanping Chen , Shibing Chu

Hyperspectral target detection is a task of primary importance in remote sensing since it allows identification, location, and discrimination of target features. To this end, the reflectance maps, which contain the spectral signatures and…

Signal Processing · Electrical Eng. & Systems 2023-05-24 Pia Addabbo , Nicomino Fiscante , Gaetano Giunta , Danilo Orlando , Giuseppe Ricci , Silvia Liberata Ullo

Reliable slow-moving weak target detection in complicated environments is challenging due to the masking effects from the surrounding strong reflectors. The traditional Moving Target Indication (MTI) may suppress the echoes from not only…

Signal Processing · Electrical Eng. & Systems 2025-09-05 R. Zhang , J. Xue , T. Zhang

Targeted color-dots with varying shapes and sizes in images are first exhaustively identified, and then their multiscale 2D geometric patterns are extracted for testing spatial uniformness in a progressive fashion. Based on color theory in…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Shuting Liao , Li-Yu Liu , Ting-An Chen , Kuang-Yu Chen , Fushing Hsieh

Infrared small target detection (IRSTD) has recently benefitted greatly from U-shaped neural models. However, largely overlooking effective global information modeling, existing techniques struggle when the target has high similarities with…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Shuai Yuan , Hanlin Qin , Xiang Yan , Naveed AKhtar , Ajmal Mian