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Related papers: IoU Loss for 2D/3D Object Detection

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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

360{\deg} cameras have gained popularity over the last few years. In this paper, we propose two fundamental techniques -- Field-of-View IoU (FoV-IoU) and 360Augmentation for object detection in 360{\deg} images. Although most object…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Miao Cao , Satoshi Ikehata , Kiyoharu Aizawa

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 localization quality of automatic object detectors is typically evaluated by the Intersection over Union (IoU) score. In this work, we show that humans have a different view on localization quality. To evaluate this, we conduct a survey…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Ombretta Strafforello , Vanathi Rajasekart , Osman S. Kayhan , Oana Inel , Jan van Gemert

This paper presents an efficient way of detecting directed objects by predicting their center coordinates and direction angle. Since the objects are of uniform size, the proposed model works without predicting the object's width and height.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Đorđe Nedeljković

Multi-modal methods based on camera and LiDAR sensors have garnered significant attention in the field of 3D detection. However, many prevalent works focus on single or partial stage fusion, leading to insufficient feature extraction and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Zhiwei Ning , Zhaojiang Liu , Xuanang Gao , Yifan Zuo , Jie Yang , Yuming Fang , Wei Liu

Modern oriented object detectors typically predict a set of bounding boxes and select the top-ranked ones based on estimated localization quality. Achieving high detection performance requires that the estimated quality closely aligns with…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Yunhui Zhu , Buliao Huang

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

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

We introduce a novel Interval Bound Propagation (IBP) approach for the formal verification of object detection models, specifically targeting the Intersection over Union (IoU) metric. The approach has been implemented in an open source…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Noémie Cohen , Mélanie Ducoffe , Ryma Boumazouza , Christophe Gabreau , Claire Pagetti , Xavier Pucel , Audrey Galametz

In this paper, we propose a novel form of the loss function to increase the performance of LiDAR-based 3d object detection and obtain more explainable and convincing uncertainty for the prediction. The loss function was designed using…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Hujie Pan , Zining Wang , Wei Zhan , Masayoshi Tomizuka

Object detection and classification in 3D is a key task in Automated Driving (AD). LiDAR sensors are employed to provide the 3D point cloud reconstruction of the surrounding environment, while the task of 3D object bounding box detection in…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Waleed Ali , Sherif Abdelkarim , Mohamed Zahran , Mahmoud Zidan , Ahmad El Sallab

In this paper, we present an Intersection-over-Union (IoU) guided two-stage 3D object detector with a voxel-to-point decoder. To preserve the necessary information from all raw points and maintain the high box recall in voxel based Region…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Jiale Li , Hang Dai , Ling Shao , Yong Ding

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 is a comprehensively studied problem in autonomous driving. However, it has been relatively less explored in the case of fisheye cameras. The standard bounding box fails in fisheye cameras due to the strong radial…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Hazem Rashed , Eslam Mohamed , Ganesh Sistu , Varun Ravi Kumar , Ciaran Eising , Ahmad El-Sallab , Senthil Yogamani

Edge computing-based 3D perception has received attention in intelligent transportation systems (ITS) because real-time monitoring of traffic candidates potentially strengthens Vehicle-to-Everything (V2X) orchestration. Thanks to the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Haolin Zhang , M S Mekala , Zulkar Nain , Dongfang Yang , Ju H. Park , Ho-Youl Jung

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

3D object detection is a key module for safety-critical robotics applications such as autonomous driving. For these applications, we care most about how the detections affect the ego-agent's behavior and safety (the egocentric perspective).…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Boyang Deng , Charles R. Qi , Mahyar Najibi , Thomas Funkhouser , Yin Zhou , Dragomir Anguelov

Most deep learning object detectors are based on the anchor mechanism and resort to the Intersection over Union (IoU) between predefined anchor boxes and ground truth boxes to evaluate the matching quality between anchors and objects. In…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Heng Zhang , Elisa Fromont , Sébastien Lefevre , Bruno Avignon

Oriented bounding box regression is crucial for oriented object detection. However, regression-based methods often suffer from boundary problems and the inconsistency between loss and evaluation metrics. In this paper, a modulated Kalman…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Xinyi Yu , Jiangping Lu , Xinyi Yu , Mi Lin , Linlin Ou