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Monocular 3D object detection reveals an economical but challenging task in autonomous driving. Recently center-based monocular methods have developed rapidly with a great trade-off between speed and accuracy, where they usually depend on…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Zizhang Wu , Yuanzhu Gan , Lei Wang , Guilian Chen , Jian Pu

This paper aims to design a 3D object detection model from 2D images taken by monocular cameras by combining the estimated bird's-eye view elevation map and the deep representation of object features. The proposed model has a pre-trained…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Ali Babolhavaeji , Mohammad Fanaei

Monocular 3D object detection aims to localize 3D bounding boxes in an input single 2D image. It is a highly challenging problem and remains open, especially when no extra information (e.g., depth, lidar and/or multi-frames) can be…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Xianpeng Liu , Nan Xue , Tianfu Wu

Point-cloud-based 3D object detection suffers from performance degradation when encountering data with novel domain gaps. To tackle it, the single-domain generalization (SDG) aims to generalize the detection model trained in a limited…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Shuangzhi Li , Lei Ma , Xingyu Li

Monocular 3D object detection is well-known to be a challenging vision task due to the loss of depth information; attempts to recover depth using separate image-only approaches lead to unstable and noisy depth estimates, harming 3D…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Ivan Barabanau , Alexey Artemov , Evgeny Burnaev , Vyacheslav Murashkin

Monocular depth estimation has been actively studied in fields such as robot vision, autonomous driving, and 3D scene understanding. Given a sequence of color images, unsupervised learning methods based on the framework of…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Songlin Wei , Guodong Chen , Wenzheng Chi , Zhenhua Wang , Lining Sun

Autonomous driving systems require a quick and robust perception of the nearby environment to carry out their routines effectively. With the aim to avoid collisions and drive safely, autonomous driving systems rely heavily on object…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Abdul Hannan Khan , Syed Tahseen Raza Rizvi , Dheeraj Varma Chittari Macharavtu , Andreas Dengel

Damage to road pavement can develop into cracks, potholes, spallings, and other issues posing significant challenges to the integrity, safety, and durability of the road structure. Detecting and monitoring the evolution of these damages is…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Punnawat Siripathitti , Florent Forest , Olga Fink

Semi-supervised object detection is important for 3D scene understanding because obtaining large-scale 3D bounding box annotations on point clouds is time-consuming and labor-intensive. Existing semi-supervised methods usually employ…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Cheng-Ju Ho , Chen-Hsuan Tai , Yi-Hsuan Tsai , Yen-Yu Lin , Ming-Hsuan Yang

RGB-based 3D tasks, e.g., 3D detection, depth estimation, 3D keypoint estimation, still suffer from scarce, expensive annotations and a thin augmentation toolbox, since many image transforms, including rotations and warps, disrupt geometric…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Shitian Yang , Deyu Li , Xiaoke Jiang , Lei Zhang

Current 3D object detection methods heavily rely on an enormous amount of annotations. Semi-supervised learning can be used to alleviate this issue. Previous semi-supervised 3D object detection methods directly follow the practice of…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Xiaopei Wu , Yang Zhao , Liang Peng , Hua Chen , Xiaoshui Huang , Binbin Lin , Haifeng Liu , Deng Cai , Wanli Ouyang

In this paper, we propose a Monocular 3D Single Stage object Detector (M3DSSD) with feature alignment and asymmetric non-local attention. Current anchor-based monocular 3D object detection methods suffer from feature mismatching. To…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Shujie Luo , Hang Dai , Ling Shao , Yong Ding

Monocular 3D object detection is of great significance for autonomous driving but remains challenging. The core challenge is to predict the distance of objects in the absence of explicit depth information. Unlike regressing the distance as…

计算机视觉与模式识别 · 计算机科学 2022-06-30 Xuepeng Shi , Qi Ye , Xiaozhi Chen , Chuangrong Chen , Zhixiang Chen , Tae-Kyun Kim

The emerging trend in computer vision emphasizes developing universal models capable of simultaneously addressing multiple diverse tasks. Such universality typically requires joint training across multi-domain datasets to ensure effective…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Eunsoo Im , Changhyun Jee , Jung Kwon Lee

Existing deep learning-based approaches for monocular 3D object detection in autonomous driving often model the object as a rotated 3D cuboid while the object's geometric shape has been ignored. In this work, we propose an approach for…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Zongdai Liu , Dingfu Zhou , Feixiang Lu , Jin Fang , Liangjun Zhang

Although deep-learning based methods for monocular pedestrian detection have made great progress, they are still vulnerable to heavy occlusions. Using multi-view information fusion is a potential solution but has limited applications, due…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Rui Qiu , Ming Xu , Yuyao Yan , Jeremy S. Smith , Xi Yang

It is counter-intuitive that multi-modality methods based on point cloud and images perform only marginally better or sometimes worse than approaches that solely use point cloud. This paper investigates the reason behind this phenomenon.…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Wenwei Zhang , Zhe Wang , Chen Change Loy

In recent years, there has been tremendous progress in object detection performance. However, despite these advances, the detection performance for small objects is significantly inferior to that of large objects. Detecting small objects is…

计算机视觉与模式识别 · 计算机科学 2025-06-11 DaeEun Yoon , Semin Kim , SangWook Yoo , Jongha Lee

Estimating accurate 3D locations of objects from monocular images is a challenging problem because of lacking depth. Previous work shows that utilizing the object's keypoint projection constraints to estimate multiple depth candidates…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Yingyan Li , Yuntao Chen , Jiawei He , Zhaoxiang Zhang

3D object detection is an essential task in autonomous driving. Recent techniques excel with highly accurate detection rates, provided the 3D input data is obtained from precise but expensive LiDAR technology. Approaches based on cheaper…

计算机视觉与模式识别 · 计算机科学 2020-02-25 Yan Wang , Wei-Lun Chao , Divyansh Garg , Bharath Hariharan , Mark Campbell , Kilian Q. Weinberger