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Detecting objects in aerial images is challenging for at least two reasons: (1) target objects like pedestrians are very small in pixels, making them hardly distinguished from surrounding background; and (2) targets are in general sparsely…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Fan Yang , Heng Fan , Peng Chu , Erik Blasch , Haibin Ling

Single-frame infrared small target detection is considered to be a challenging task, due to the extreme imbalance between target and background, bounding box regression is extremely sensitive to infrared small target, and target information…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Bo Yang , Xinyu Zhang , Jian Zhang , Jun Luo , Mingliang Zhou , Yangjun Pi

Point supervision has become a scalable solution to address dense annotation for infrared small target detection, but its performance is limited by two coupled bottlenecks: unstable pseudo-label evolution in cluttered, low-contrast infrared…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Zhu Liu , Yuanhang Yao , Ping Qian , Zihang Chen , Risheng Liu

LiDAR-based place recognition is an essential and challenging task both in loop closure detection and global relocalization. We propose Deep Scan Context (DSC), a general and discriminative global descriptor that captures the relationship…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Jiafeng Cui , Tengfei Huang , Yingfeng Cai , Junqiao Zhao , Lu Xiong , Zhuoping Yu

Recently the problem of cross-domain object detection has started drawing attention in the computer vision community. In this paper, we propose a novel unsupervised cross-domain detection model that exploits the annotated data in a source…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Zhen Zhao , Yuhong Guo , Jieping Ye

The ambiguous appearance, tiny scale, and fine-grained classes of objects in remote sensing imagery inevitably lead to the noisy annotations in category labels of detection dataset. However, the effects and treatments of the label noises…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Guozhang Liu , Ting Liu , Mengke Yuan , Tao Pang , Guangxing Yang , Hao Fu , Tao Wang , Tongkui Liao

Small target detection is an essential yet challenging task in defense applications, since differentiating low-contrast targets from natural textured and noisy environment remains difficult. To better take into account the contextual…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Alina Ciocarlan , Sylvie Le Hegarat-Mascle , Sidonie Lefebvre , Clara Barbanson

Limited by equipment limitations and the lack of target intrinsic features, existing infrared small target detection methods have difficulty meeting actual comprehensive performance requirements. Therefore, we propose an innovative…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Chuang Yu , Yunpeng Liu , Jinmiao Zhao , Zelin Shi

Recently, significant progress has been made in the research of 3D object detection. However, most prior studies have focused on the utilization of center-based or anchor-based label assignment schemes. Alternative label assignment…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Shuai Liu , Boyang Li , Zhiyu Fang , Kai Huang

Most existing scene text detectors require large-scale training data which cannot scale well due to two major factors: 1) scene text images often have domain-specific distributions; 2) collecting large-scale annotated scene text images is…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Zichen Tian , Chuhui Xue , Jingyi Zhang , Shijian Lu

Single-frame infrared small target (SIRST) detection aims at separating small targets from clutter backgrounds on infrared images. Recently, deep learning based methods have achieved promising performance on SIRST detection, but at the cost…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Boyang Li , Yingqian Wang , Longguang Wang , Fei Zhang , Ting Liu , Zaiping Lin , Wei An , Yulan Guo

LiDAR-produced point clouds are the major source for most state-of-the-art 3D object detectors. Yet, small, distant, and incomplete objects with sparse or few points are often hard to detect. We present Sparse2Dense, a new framework to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Tianyu Wang , Xiaowei Hu , Zhengzhe Liu , Chi-Wing Fu

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…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Mingjin Zhang , Chi Zhang , Qiming Zhang , Yunsong Li , Xinbo Gao , Jing Zhang

Low-light stereo image enhancement (LLSIE) is a relatively new task to enhance the quality of visually unpleasant stereo images captured in dark condition. However, current methods achieve inferior performance on detail recovery and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Huan Zheng , Zhao Zhang , Jicong Fan , Richang Hong , Yi Yang , Shuicheng Yan

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

While large-scale visual foundation models (VFMs) exhibit strong generalization across diverse visual domains, their potential for single-frame infrared small target (SIRST) detection remains largely unexplored. To fill this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Chuang Yu , Jinmiao Zhao , Yunpeng Liu , Yaokun Li , Xiujun Shu , Yuanhao Feng , Bo Wang , Yimian Dai , Xiangyu Yue

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…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Fengyi Wu , Simin Liu , Haoan Wang , Bingjie Tao , Junhai Luo , Zhenming Peng

In this paper, we introduce a machine learning approach to the problem of infrared small target detection filter design. For this purpose, similarly to a convolutional layer of a neural network, the normalized-cross-correlational (NCC)…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 H. Seçkin Demir , Erdem Akagunduz

Few-shot image classification aims to classify novel classes with few labeled samples. Recent research indicates that deep local descriptors have better representational capabilities. These studies recognize the impact of background noise…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Qian Qiao , Yu Xie , Shaoyao Huang , Fanzhang Li

Detecting oriented tiny objects, which are limited in appearance information yet prevalent in real-world applications, remains an intricate and under-explored problem. To address this, we systemically introduce a new dataset, benchmark, and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Chang Xu , Ruixiang Zhang , Wen Yang , Haoran Zhu , Fang Xu , Jian Ding , Gui-Song Xia
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