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Detecting small to tiny targets in infrared images is a challenging task in computer vision, especially when it comes to differentiating these targets from noisy or textured backgrounds. Traditional object detection methods such as YOLO…

计算机视觉与模式识别 · 计算机科学 2024-02-06 Alina Ciocarlan , Sylvie Le Hégarat-Mascle , Sidonie Lefebvre , Arnaud Woiselle , Clara Barbanson

Optimization-based approaches dominate infrared small target detection as they leverage infrared imagery's intrinsic low-rankness and sparsity. While effective for single-frame images, they struggle with dynamic changes in multi-frame…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Fengyi Wu , Simin Liu , Haoan Wang , Bingjie Tao , Junhai Luo , Zhenming Peng

In this paper, we propose a novel self-training approach named Crowd-SDNet that enables a typical object detector trained only with point-level annotations (i.e., objects are labeled with points) to estimate both the center points and sizes…

计算机视觉与模式识别 · 计算机科学 2021-02-19 Yi Wang , Junhui Hou , Xinyu Hou , Lap-Pui Chau

Single-cell RNA sequencing (scRNA-seq) enables researchers to analyze gene expression at single-cell level. One important task in scRNA-seq data analysis is unsupervised clustering, which helps identify distinct cell types, laying down the…

基因组学 · 定量生物学 2023-12-29 Weikang Jiang , Jinxian Wang , Jihong Guan , Shuigeng Zhou

Subspace clustering is to find underlying low-dimensional subspaces and cluster the data points correctly. In this paper, we propose a novel multi-view subspace clustering method. Most existing methods suffer from two critical issues.…

人工智能 · 计算机科学 2022-05-24 Mengyuan Zhang , Kai Liu

The main challenge of single image super resolution (SISR) is the recovery of high frequency details such as tiny textures. However, most of the state-of-the-art methods lack specific modules to identify high frequency areas, causing the…

计算机视觉与模式识别 · 计算机科学 2018-07-19 Yuan Liu , Yuancheng Wang , Nan Li , Xu Cheng , Yifeng Zhang , Yongming Huang , Guojun Lu

Different from general object detection, moving infrared small target detection faces huge challenges due to tiny target size and weak background contrast.Currently, most existing methods are fully-supervised, heavily relying on a large…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Weiwei Duan , Luping Ji , Shengjia Chen , Sicheng Zhu , Jianghong Huang , Mao Ye

Recent advancements in deep learning have greatly advanced the field of infrared small object detection (IRSTD). Despite their remarkable success, a notable gap persists between these IRSTD methods and generic segmentation approaches in…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Mingjin Zhang , Chi Zhang , Qiming Zhang , Yunsong Li , Xinbo Gao , Jing Zhang

We propose an embarrassingly simple point annotation scheme to collect weak supervision for instance segmentation. In addition to bounding boxes, we collect binary labels for a set of points uniformly sampled inside each bounding box. We…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Bowen Cheng , Omkar Parkhi , Alexander Kirillov

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…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Maoxun Yuan , Duanni Meng , Ziteng Xi , Tianyi Zhao , Shiji Zhao , Yimian Dai , Xingxing Wei

Object detection and instance segmentation in remote sensing images is a fundamental and challenging task, due to the complexity of scenes and targets. The latest methods tried to take into account both the efficiency and the accuracy of…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Zhenhang Huang , Shihao Sun , Ruirui Li

Clustering can be defined as the process of assembling objects into a number of groups whose elements are similar to each other in some manner. As a technique that is used in many domains, such as face clustering, plant categorization,…

机器学习 · 计算机科学 2022-04-05 Mehmet F. Demirel , Enrico Au-Yeung

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…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Taoran Yue , Xiaojin Lu , Jiaxi Cai , Yuanping Chen , Shibing Chu

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…

图像与视频处理 · 电气工程与系统科学 2025-07-15 Fang Chen , Chenqiang Gao , Fangcen Liu , Yue Zhao , Yuxi Zhou , Deyu Meng , Wangmeng Zuo

Face clustering tasks can learn hierarchical semantic information from large-scale data, which has the potential to help facilitate face recognition. However, there are few works on this problem. This paper explores it by proposing a joint…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Zhenduo Zhang

This paper introduces an unsupervised technique to detect the changed region of multitemporal images on a same reference plane with the help of rough clustering. The proposed technique is a soft-computing approach, based on the concept of…

计算机视觉与模式识别 · 计算机科学 2014-04-25 Chandranath Adak

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…

计算机视觉与模式识别 · 计算机科学 2026-01-07 Yuteng Liu , Duanni Meng , Maoxun Yuan , Xingxing Wei

Determining the number of clusters is a central challenge in unsupervised learning, where ground-truth labels are unavailable. The Silhouette coefficient is a widely used internal validation metric for this task, yet its standard…

机器学习 · 计算机科学 2026-04-16 Aggelos Semoglou , Aristidis Likas , John Pavlopoulos

Infrared small target detection (IRSTD) faces the inherent challenge of precisely localizing dim targets amid complex background clutter. While progress has been made, existing methods usually follow conventional strategies to downsample…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Qian Xu , Chi Zhang , Qiming Zhang , Xi Li , Haojuan Yuan , Mingjin Zhang

As a computer vision task, automatic object segmentation remains challenging in specialized image domains without massive labeled data, such as synthetic aperture sonar images, remote sensing, biomedical imaging, etc. In any domain,…

计算机视觉与模式识别 · 计算机科学 2025-11-05 Hassan Baker , Matthew S. Emigh , Austin J. Brockmeier