English
Related papers

Related papers: A Systematic IoU-Related Method: Beyond Simplified…

200 papers

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

Bounding box (bbox) regression is a fundamental task in computer vision. So far, the most commonly used loss functions for bbox regression are the Intersection over Union (IoU) loss and its variants. In this paper, we generalize existing…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Jiabo He , Sarah Erfani , Xingjun Ma , James Bailey , Ying Chi , Xian-Sheng Hua

Differing from the well-developed horizontal object detection area whereby the computing-friendly IoU based loss is readily adopted and well fits with the detection metrics. In contrast, rotation detectors often involve a more complicated…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Xue Yang , Yue Zhou , Gefan Zhang , Jirui Yang , Wentao Wang , Junchi Yan , Xiaopeng Zhang , Qi Tian

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

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

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

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

In this work, we propose N EIoU YOLOv9, a lightweight detection framework based on a signal aware bounding box regression loss derived from non monotonic gradient focusing and geometric decoupling principles, referred to as N EIoU (Non…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Dung Ta Nguyen Duc , Thanh Bui Dang , Hoang Le Minh , Tung Nguyen Viet , Huong Nguyen Thanh , Dong Trinh Cong

Bounding box regression plays a crucial role in the field of object detection, and the positioning accuracy of object detection largely depends on the loss function of bounding box regression. Existing researchs improve regression…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Hao Zhang , Shuaijie Zhang

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

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

While formal robustness verification has seen significant success in image classification, scaling these guarantees to object detection remains notoriously difficult due to complex non-linear coordinate transformations and…

Machine Learning · Computer Science 2026-03-06 Benedikt Brückner , Alejandro J. Mercado , Yanghao Zhang , Panagiotis Kouvaros , Alessio Lomuscio

In the CNN based object detectors, feature pyramids are widely exploited to alleviate the problem of scale variation across object instances. These object detectors, which strengthen features via a top-down pathway and lateral connections,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Keyang Wang , Lei Zhang

Due to the simpleness and high efficiency, single-stage object detectors have been widely applied in many computer vision applications . However, the low correlation between the classification score and localization accuracy of the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-16 Shengkai Wu , Xiaoping Li , Xinggang Wang

In one-stage multi-object detection tasks, various intersection over union (IoU)-based solutions aim at smooth and stable convergence near the targets during training. However, IoU-based losses fail to correctly update the gradient of small…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Dian Ning , Dong Seog Han

The accuracy of object detectors and trackers is most commonly evaluated by the Intersection over Union (IoU) criterion. To date, most approaches are restricted to axis-aligned or oriented boxes and, as a consequence, many datasets are only…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Tobias Bottger , Patrick Follmann , Michael Fauser

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

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

Optimizing the similarity between parametric shapes is crucial for numerous computer vision tasks, where Intersection over Union (IoU) stands as the canonical measure. However, existing optimization methods exhibit significant shortcomings:…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Duy-Tho Le , Trung Pham , Jianfei Cai , Hamid Rezatofighi

Object detection, instance segmentation, and pose estimation are popular visual recognition tasks which require localizing the object by internal or boundary landmarks. This paper summarizes these tasks as location-sensitive visual…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Kaiwen Duan , Lingxi Xie , Honggang Qi , Song Bai , Qingming Huang , Qi Tian