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Related papers: Anchor-free Oriented Proposal Generator for Object…

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Arbitrary-oriented object detection (AOOD) is a challenging task to detect objects in the wild with arbitrary orientations and cluttered arrangements. Existing approaches are mainly based on anchor-based boxes or dense points, which rely on…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Linhui Dai , Hong Liu , Hao Tang , Zhiwei Wu , Pinhao Song

Oriented object detection in aerial images poses a significant challenge due to their varying sizes and orientations. Current state-of-the-art detectors typically rely on either two-stage or one-stage approaches, often employing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Phuc D. A. Nguyen

Rotated object detection in aerial images has received increasing attention for a wide range of applications. However, it is also a challenging task due to the huge variations of scale, rotation, aspect ratio, and densely arranged targets.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Feng Zhang , Xueying Wang , Shilin Zhou , Yingqian Wang

Objects in aerial images usually have arbitrary orientations and are densely located over the ground, making them extremely challenge to be detected. Many recently developed methods attempt to solve these issues by estimating an extra…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Ran Qin , Qingjie Liu , Guangshuai Gao , Di Huang , Yunhong Wang

The goal of object detection is to determine the class and location of objects in an image. This paper proposes a novel anchor-free, two-stage framework which first extracts a number of object proposals by finding potential corner keypoint…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Kaiwen Duan , Lingxi Xie , Honggang Qi , Song Bai , Qingming Huang , Qi Tian

We present ObjectBox, a novel single-stage anchor-free and highly generalizable object detection approach. As opposed to both existing anchor-based and anchor-free detectors, which are more biased toward specific object scales in their…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Mohsen Zand , Ali Etemad , Michael Greenspan

The detection of oriented objects is frequently appeared in the field of natural scene text detection as well as object detection in aerial images. Traditional detectors for oriented objects are common to rotate anchors on the basis of the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-11 Haoran Wei , Yue Zhang , Zhonghan Chang , Hao Li , Hongqi Wang , Xian Sun

To reduce the manpower consumption on box-level annotations, many weakly supervised object detection methods which only require image-level annotations, have been proposed recently. The training process in these methods is formulated into…

Computer Vision and Pattern Recognition · Computer Science 2021-01-21 Ruibing Jin , Guosheng Lin , Changyun Wen

Current state-of-the-art two-stage detectors generate oriented proposals through time-consuming schemes. This diminishes the detectors' speed, thereby becoming the computational bottleneck in advanced oriented object detection systems. This…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Xingxing Xie , Gong Cheng , Jiabao Wang , Xiwen Yao , Junwei Han

Arbitrary-oriented objects widely appear in natural scenes, aerial photographs, remote sensing images, etc., thus arbitrary-oriented object detection has received considerable attention. Many current rotation detectors use plenty of anchors…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Qi Ming , Zhiqiang Zhou , Lingjuan Miao , Hongwei Zhang , Linhao Li

Anchor-based Siamese trackers have achieved remarkable advancements in accuracy, yet the further improvement is restricted by the lagged tracking robustness. We find the underlying reason is that the regression network in anchor-based…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Zhipeng Zhang , Houwen Peng , Jianlong Fu , Bing Li , Weiming Hu

Automatic detection of firearms is important for enhancing the security and safety of people, however, it is a challenging task owing to the wide variations in shape, size, and appearance of firearms. Also, most of the generic object…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Javed Iqbal , Muhammad Akhtar Munir , Arif Mahmood , Afsheen Rafaqat Ali , Mohsen Ali

Object detection using an oriented bounding box (OBB) can better target rotated objects by reducing the overlap with background areas. Existing OBB approaches are mostly built on horizontal bounding box detectors by introducing an…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Zhiming Chen , Kean Chen , Weiyao Lin , John See , Hui Yu , Yan Ke , Cong Yang

Object detection in aerial images is a challenging task due to the lack of visible features and variant orientation of objects. Significant progress has been made recently for predicting targets from aerial images with horizontal bounding…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Youtian Lin , Pengming Feng , Jian Guan , Wenwu Wang , Jonathon Chambers

Objects in aerial images are typically embedded in complex backgrounds and exhibit arbitrary orientations. When employing oriented bounding boxes (OBB) to represent arbitrary oriented objects, the periodicity of angles could lead to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Mingkui Feng , Hancheng Yu , Xiaoyu Dang , Ming Zhou

This paper first proposes a method of formulating model interpretability in visual understanding tasks based on the idea of unfolding latent structures. It then presents a case study in object detection using popular two-stage region-based…

Computer Vision and Pattern Recognition · Computer Science 2018-09-07 Tianfu Wu , Wei Sun , Xilai Li , Xi Song , Bo Li

Anchor-free object detectors are highly efficient in performing point-based prediction without the need for extra post-processing of anchors. However, different from the 2D grids, the 3D points used in these detectors are often far from the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Yingping Liang , Ying Fu

As the rapid development of depth learning, object detection in aviatic remote sensing images has become increasingly popular in recent years. Most of the current Anchor Free detectors based on key point detection sampling directly…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Linfeng Shi , Yan Li , Xi Zhu

Recently, many arbitrary-oriented object detection (AOOD) methods have been proposed and attracted widespread attention in many fields. However, most of them are based on anchor-boxes or standard Gaussian heatmaps. Such label assignment…

Computer Vision and Pattern Recognition · Computer Science 2022-02-14 Zhanchao Huang , Wei Li , Xiang-Gen Xia , Ran Tao

Oriented object detection in aerial images is a challenging task as the objects in aerial images are displayed in arbitrary directions and are usually densely packed. Current oriented object detection methods mainly rely on two-stage…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Jingru Yi , Pengxiang Wu , Bo Liu , Qiaoying Huang , Hui Qu , Dimitris Metaxas
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