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A new distortion correction algorithm for fisheye lens with equidistant mapping function is considered in the present study. The algorithm is much more data lossless and accurate than such a classical approach like Brown-Conrady model

Image and Video Processing · Electrical Eng. & Systems 2020-10-21 Dmitry Pozdnyakov

3D object detection is an essential task in autonomous driving and robotics. Though great progress has been made, challenges remain in estimating 3D pose for distant and occluded objects. In this paper, we present a novel framework named…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Zhenbo Xu , Wei Zhang , Xiaoqing Ye , Xiao Tan , Wei Yang , Shilei Wen , Errui Ding , Ajin Meng , Liusheng Huang

Bounding box regression (BBR) is fundamental to object detection, where the regression loss is crucial for accurate localization. Existing IoU-based losses often incorporate handcrafted geometric penalties to address IoU's…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Haoyuan Liu , Hiroshi Watanabe

As a cornerstone technique for autonomous driving, Bird's Eye View (BEV) segmentation has recently achieved remarkable progress with pinhole cameras. However, it is non-trivial to extend the existing methods to fisheye cameras with severe…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Hang Li , Dianmo Sheng , Qiankun Dong , Zichun Wang , Zhiwei Xu , Tao Li

Accurate 3D perception is essential for autonomous driving. Traditional methods often struggle with geometric ambiguity due to a lack of geometric prior. To address these challenges, we use omnidirectional depth estimation to introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Chaofan Wu , Jiaheng Li , Jinghao Cao , Ming Li , Yongkang Feng , Jiayu Wu Shuwen Xu , Zihang Gao , Sidan Du , Yang Li

Human body orientation estimation (HBOE) is widely applied into various applications, including robotics, surveillance, pedestrian analysis and autonomous driving. Although many approaches have been addressing the HBOE problem from specific…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Huayi Zhou , Fei Jiang , Jiaxin Si , Hongtao Lu

In multi-object detection using neural networks, the fundamental problem is, "How should the network learn a variable number of bounding boxes in different input images?". Previous methods train a multi-object detection network through a…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Jaeyoung Yoo , Hojun Lee , Inseop Chung , Geonseok Seo , Nojun Kwak

Despite recent advances, object detection in aerial images is still a challenging task. Specific problems in aerial images makes the detection problem harder, such as small objects, densely packed objects, objects in different sizes and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Onur Can Koyun , Reyhan Kevser Keser , İbrahim Batuhan Akkaya , Behçet Uğur Töreyin

This paper presents novel hybrid architectures that combine grid- and point-based processing to improve the detection performance and orientation estimation of radar-based object detection networks. Purely grid-based detection models…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Michael Ulrich , Sascha Braun , Daniel Köhler , Daniel Niederlöhner , Florian Faion , Claudius Gläser , Holger Blume

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

3D object detection based on monocular camera data is a key enabler for autonomous driving. The task however, is ill-posed due to lack of depth information in 2D images. Recent deep learning methods show promising results to recover depth…

Computer Vision and Pattern Recognition · Computer Science 2020-05-18 Felix Nobis , Fabian Brunhuber , Simon Janssen , Johannes Betz , Markus Lienkamp

General-purpose object-detection algorithms often dismiss the fine structure of detected objects. This can be traced back to how their proposed regions are evaluated. Our goal is to renegotiate the trade-off between the generality of these…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Azim Ahmadzadeh , Dustin J. Kempton , Yang Chen , Rafal A. Angryk

Detection of moving objects is a very important task in autonomous driving systems. After the perception phase, motion planning is typically performed in Bird's Eye View (BEV) space. This would require projection of objects detected on the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Hazem Rashed , Mariam Essam , Maha Mohamed , Ahmad El Sallab , Senthil Yogamani

3D object detection in autonomous driving aims to reason "what" and "where" the objects of interest present in a 3D world. Following the conventional wisdom of previous 2D object detection, existing methods often adopt the canonical…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Yanqin Jiang , Li Zhang , Zhenwei Miao , Xiatian Zhu , Jin Gao , Weiming Hu , Yu-Gang Jiang

Environment perception, including object detection and distance estimation, is one of the most crucial tasks for autonomous driving. Many attentions have been paid on the object detection task, but distance estimation only arouse few…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Jing Zhu , Yi Fang , Husam Abu-Haimed , Kuo-Chin Lien , Dongdong Fu , Junli Gu

The estimation of the orientation of an observed vehicle relative to an Autonomous Vehicle (AV) from monocular camera data is an important building block in estimating its 6 DoF pose. Current Deep Learning based solutions for placing a 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Cédric Picron , Punarjay Chakravarty , Tom Roussel , Tinne Tuytelaars

3D object detection from images, one of the fundamental and challenging problems in autonomous driving, has received increasing attention from both industry and academia in recent years. Benefiting from the rapid development of deep…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Xinzhu Ma , Wanli Ouyang , Andrea Simonelli , Elisa Ricci

We present a novel approach for oriented object detection, named TricubeNet, which localizes oriented objects using visual cues ($i.e.,$ heatmap) instead of oriented box offsets regression. We represent each object as a 2D Tricube kernel…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Beomyoung Kim , Janghyeon Lee , Sihaeng Lee , Doyeon Kim , Junmo Kim

3D object detection is essential for autonomous driving. As an emerging sensor, 4D imaging radar offers advantages as low cost, long-range detection, and accurate velocity measurement, making it highly suitable for object detection.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Xiaozhi Li , Huijun Di , Jian Li , Feng Liu , Wei Liang

In the past few years, numerous Deep Neural Network (DNN) models and frameworks have been developed to tackle the problem of real-time object detection from RGB images. Ordinary object detection approaches process information from the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Xiang Li , Yuan Tian , Fuyao Zhang , Shuxue Quan , Yi Xu
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