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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

3D object detection is a critical task in autonomous driving. Recently multi-modal fusion-based 3D object detection methods, which combine the complementary advantages of LiDAR and camera, have shown great performance improvements over…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Hao Liu , Zhuoran Xu , Dan Wang , Baofeng Zhang , Guan Wang , Bo Dong , Xin Wen , Xinyu Xu

We focus on the construction of a loss function for the bounding box regression. The Intersection over Union (IoU) metric is improved to converge faster, to make the surface of the loss function smooth and continuous over the whole searched…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Petra Števuliáková , Petr Hurtik

In this survey we present a complete landscape of joint object detection and pose estimation methods that use monocular vision. Descriptions of traditional approaches that involve descriptors or models and various estimation methods have…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Aniruddha V Patil , Pankaj Rabha

In autonomous driving, The perception capabilities of the ego-vehicle can be improved with roadside sensors, which can provide a holistic view of the environment. However, existing monocular detection methods designed for vehicle cameras…

Computer Vision and Pattern Recognition · Computer Science 2025-01-31 Zhe Wang , Xiaoliang Huo , Siqi Fan , Jingjing Liu , Ya-Qin Zhang , Yan Wang

In present object detection systems, the deep convolutional neural networks (CNNs) are utilized to predict bounding boxes of object candidates, and have gained performance advantages over the traditional region proposal methods. However,…

Computer Vision and Pattern Recognition · Computer Science 2016-08-05 Jiahui Yu , Yuning Jiang , Zhangyang Wang , Zhimin Cao , Thomas Huang

This paper proposes a method to extract the position and pose of vehicles in the 3D world from a single traffic camera. Most previous monocular 3D vehicle detection algorithms focused on cameras on vehicles from the perspective of a driver,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-06 Minghan Zhu , Songan Zhang , Yuanxin Zhong , Pingping Lu , Huei Peng , John Lenneman

In this paper we propose a novel 3D single-shot object detection method for detecting vehicles in monocular RGB images. Our approach lifts 2D detections to 3D space by predicting additional regression and classification parameters and hence…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Nils Gählert , Jun-Jun Wan , Nicolas Jourdan , Jan Finkbeiner , Uwe Franke , Joachim Denzler

Monocular 3D object detection is an essential component in autonomous driving while challenging to solve, especially for those occluded samples which are only partially visible. Most detectors consider each 3D object as an independent…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Yongjian Chen , Lei Tai , Kai Sun , Mingyang Li

Localizing objects in 3D space and understanding their associated 3D properties is challenging given only monocular RGB images. The situation is compounded by the loss of depth information during perspective projection. We present Center3D,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Yunlei Tang , Sebastian Dorn , Chiragkumar Savani

Understanding the world in 3D is a critical component of urban autonomous driving. Generally, the combination of expensive LiDAR sensors and stereo RGB imaging has been paramount for successful 3D object detection algorithms, whereas…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Garrick Brazil , Xiaoming Liu

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

Monocular multi-object detection and localization in 3D space has been proven to be a challenging task. The MoNet3D algorithm is a novel and effective framework that can predict the 3D position of each object in a monocular image and draw a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Xichuan Zhou , Yicong Peng , Chunqiao Long , Fengbo Ren , Cong Shi

As cameras are increasingly deployed in new application domains such as autonomous driving, performing 3D object detection on monocular images becomes an important task for visual scene understanding. Recent advances on monocular 3D object…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Xiaomeng Chu , Jiajun Deng , Yao Li , Zhenxun Yuan , Yanyong Zhang , Jianmin Ji , Yu Zhang

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

We present a method to infer 3D pose and shape of vehicles from a single image. To tackle this ill-posed problem, we optimize two-scale projection consistency between the generated 3D hypotheses and their 2D pseudo-measurements.…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Tong He , Stefano Soatto

Vehicle 3D extents and trajectories are critical cues for predicting the future location of vehicles and planning future agent ego-motion based on those predictions. In this paper, we propose a novel online framework for 3D vehicle…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Hou-Ning Hu , Qi-Zhi Cai , Dequan Wang , Ji Lin , Min Sun , Philipp Krähenbühl , Trevor Darrell , Fisher Yu

Perspective projection has been extensively utilized in monocular 3D object detection methods. It introduces geometric priors from 2D bounding boxes and 3D object dimensions to reduce the uncertainty of depth estimation. However, due to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Fanqi Pu , Yifan Wang , Jiru Deng , Wenming Yang

Detection and tracking of vehicles captured by traffic surveillance cameras is a key component of intelligent transportation systems. We present an improved version of our algorithm for detection of 3D bounding boxes of vehicles, their…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Viktor Kocur , Milan Ftáčnik

In this paper, we tackle the task of estimating the 3D orientation of previously-unseen objects from monocular images. This task contrasts with the one considered by most existing deep learning methods which typically assume that the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Chen Zhao , Yinlin Hu , Mathieu Salzmann