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In Few-Shot Object Detection (FSOD), detecting small objects is extremely difficult. The limited supervision cripples the localization capabilities of the models and a few pixels shift can dramatically reduce the Intersection over Union…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Pierre Le Jeune , Anissa Mokraoui

Recently Deep Learning based Siamese Networks with region proposals for visual object tracking becoming more popular. These networks, while testing, perform extra computations on output if trained network, to predict the bounding box. This…

Image and Video Processing · Electrical Eng. & Systems 2020-01-28 Mohana Murali Dasari , Rama Krishna Sai Subrahmanyam Gorthi

Bounding box regression is one of the important steps of object detection. However, rotation detectors often involve a more complicated loss based on SkewIoU which is unfriendly to gradient-based training. Most of the existing loss…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Siliang Ma , Yong Xu

Modern CNN-based object detectors rely on bounding box regression and non-maximum suppression to localize objects. While the probabilities for class labels naturally reflect classification confidence, localization confidence is absent. This…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Borui Jiang , Ruixuan Luo , Jiayuan Mao , Tete Xiao , Yuning Jiang

As one of the most fundamental and challenging problems in computer vision, object detection tries to locate object instances and find their categories in natural images. The most important step in the evaluation of object detection…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Qiang Zhao , Bin Chen , Hang Xu , Yike Ma , Xiaodong Li , Bailan Feng , Chenggang Yan , Feng Dai

Non-maximum suppression (NMS) is widely used in object detection pipelines for removing duplicated bounding boxes. The inconsistency between the confidence for NMS and the real localization confidence seriously affects detection…

Computer Vision and Pattern Recognition · Computer Science 2022-02-03 Yan Gao , Qimeng Wang , Xu Tang , Haochen Wang , Fei Ding , Jing Li , Yao Hu

The CenterTrack tracking algorithm achieves state-of-the-art tracking performance using a simple detection model and single-frame spatial offsets to localize objects and predict their associations in a single network. However, this joint…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Nanyang Yang , Yi Wang , Lap-Pui Chau

Current anchor-free object detectors are quite simple and effective yet lack accurate label assignment methods, which limits their potential in competing with classic anchor-based models that are supported by well-designed assignment…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Jiachen Li , Bowen Cheng , Rogerio Feris , Jinjun Xiong , Thomas S. Huang , Wen-Mei Hwu , Humphrey Shi

In recent years, many semantic segmentation methods have been proposed to predict label of pixels in the scene. In general, we measure area prediction errors or boundary prediction errors for comparing methods. However, there is no…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Yeong-Jun Cho

Bounding box regression (BBR) has been widely used in object detection and instance segmentation, which is an important step in object localization. However, most of the existing loss functions for bounding box regression cannot be…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Siliang Ma , Yong Xu

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

Accurate pedestrian classification and localization have received considerable attention due to their wide applications such as security monitoring, autonomous driving, etc. Although pedestrian detectors have made great progress in recent…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Yan Luo , Chongyang Zhang , Muming Zhao , Hao Zhou , Jun Sun

This paper presents Ego-Centric Intersection-over-Union (EC-IoU), addressing the limitation of the standard IoU measure in characterizing safety-related performance for object detectors in navigating contexts. Concretely, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Brian Hsuan-Cheng Liao , Chih-Hong Cheng , Hasan Esen , Alois Knoll

Oriented object detection has been developed rapidly in the past few years, where rotation equivariance is crucial for detectors to predict rotated boxes. It is expected that the prediction can maintain the corresponding rotation when…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Hang Xu , Xinyuan Liu , Haonan Xu , Yike Ma , Zunjie Zhu , Chenggang Yan , Feng Dai

For most of the anchor-based detectors, Intersection over Union(IoU) is widely utilized to assign targets for the anchors during training. However, IoU pays insufficient attention to the closeness of the anchor's center to the truth box's…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Shengkai Wu , Jinrong Yang , Hangcheng Yu , Lijun Gou , Xiaoping Li

Multi-ship tracking (MST) as a core technology has been proven to be applied to situational awareness at sea and the development of a navigational system for autonomous ships. Despite impressive tracking outcomes achieved by multi-object…

Artificial Intelligence · Computer Science 2023-10-10 Hongyu Zhao , Gongming Wei , Yang Xiao , Xianglei Xing

Training a robust classifier and an accurate box regressor are difficult for occluded pedestrian detection. Traditionally adopted Intersection over Union (IoU) measurement does not consider the occluded region of the object and leads to…

Computer Vision and Pattern Recognition · Computer Science 2019-11-27 Ruiqi Lu , Huimin Ma

Monocular 3D object detection is a challenging task because depth information is difficult to obtain from 2D images. A subset of viewpoint-agnostic monocular 3D detection methods also do not explicitly leverage scene homography or geometry…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Xinxuan Lu , Derek Gloudemans , Shepard Xia , Daniel B. Work

We demonstrate that many detection methods are designed to identify only a sufficently accurate bounding box, rather than the best available one. To address this issue we propose a simple and fast modification to the existing methods called…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Lachlan Tychsen-Smith , Lars Petersson

Numerous improvements for feedback mechanisms have contributed to the great progress in object detection. In this paper, we first present an evaluation-feedback module, which is proposed to consist of evaluation system and feedback…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Dong Chen , Duoqian Miao