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Related papers: WeakM3D: Towards Weakly Supervised Monocular 3D Ob…

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Monocular imaging of animals inherently reduces 3D structures to 2D projections. Detection algorithms lead to 2D bounding boxes that lack information about animal's orientation relative to the camera. To build 3D detection methods for RGB…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Vandita Shukla , Fabio Remondino , Benjamin Risse

3D object detection plays a crucial role in various applications such as autonomous vehicles, robotics and augmented reality. However, training 3D detectors requires a costly precise annotation, which is a hindrance to scaling annotation to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Saad Lahlali , Nicolas Granger , Hervé Le Borgne , Quoc-Cuong Pham

The 3D weakly-supervised visual grounding task aims to localize oriented 3D boxes in point clouds based on natural language descriptions without requiring annotations to guide model learning. This setting presents two primary challenges:…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Xiaoqi Li , Jiaming Liu , Nuowei Han , Liang Heng , Yandong Guo , Hao Dong , Yang Liu

Monocular 3D object detection continues to attract attention due to the cost benefits and wider availability of RGB cameras. Despite the recent advances and the ability to acquire data at scale, annotation cost and complexity still limit…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Issa Mouawad , Nikolas Brasch , Fabian Manhardt , Federico Tombari , Francesca Odone

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…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Shujie Luo , Hang Dai , Ling Shao , Yong Ding

Monocular 3D object detection is a fundamental but very important task to many applications including autonomous driving, robotic grasping and augmented reality. Existing leading methods tend to estimate the depth of the input image first,…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Han Sun , Zhaoxin Fan , Zhenbo Song , Zhicheng Wang , Kejian Wu , Jianfeng Lu

While DETR-like architectures have demonstrated significant potential for monocular 3D object detection, they are often hindered by a critical limitation: the exclusion of 3D attributes from the bipartite matching process. This exclusion…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Kiet Dang Vu , Trung Thai Tran , Kien Nguyen Do Trung , Duc Dung Nguyen

Supervised object detection and semantic segmentation require object or even pixel level annotations. When there exist image level labels only, it is challenging for weakly supervised algorithms to achieve accurate predictions. The accuracy…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Weifeng Ge , Sibei Yang , Yizhou Yu

In this paper we propose an approach for monocular 3D object detection from a single RGB image, which leverages a novel disentangling transformation for 2D and 3D detection losses and a novel, self-supervised confidence score for 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Andrea Simonelli , Samuel Rota Rota Bulò , Lorenzo Porzi , Manuel López-Antequera , Peter Kontschieder

Weakly-supervised learning approaches have gained significant attention due to their ability to reduce the effort required for human annotations in training neural networks. This paper investigates a framework for weakly-supervised object…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Byeongkeun Kang , Sinhae Cha , Yeejin Lee

In this paper, we address the problem of monocular depth estimation when only a limited number of training image-depth pairs are available. To achieve a high regression accuracy, the state-of-the-art estimation methods rely on CNNs trained…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Rongrong Ji , Ke Li , Yan Wang , Xiaoshuai Sun , Feng Guo , Xiaowei Guo , Yongjian Wu , Feiyue Huang , Jiebo Luo

Monocular 3D object detection is an important task for autonomous driving considering its advantage of low cost. It is much more challenging than conventional 2D cases due to its inherent ill-posed property, which is mainly reflected in the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Tai Wang , Xinge Zhu , Jiangmiao Pang , Dahua Lin

The emergence of Multi-Camera 3D Object Detection (MC3D-Det), facilitated by bird's-eye view (BEV) representation, signifies a notable progression in 3D object detection. Scaling MC3D-Det training effectively accommodates varied camera…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Hao Lu , Jiaqi Tang , Xinli Xu , Xu Cao , Yunpeng Zhang , Guoqing Wang , Dalong Du , Hao Chen , Yingcong Chen

Detecting and localizing objects in the real 3D space, which plays a crucial role in scene understanding, is particularly challenging given only a single RGB image due to the geometric information loss during imagery projection. We propose…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Zengyi Qin , Jinglu Wang , Yan Lu

3D object detection is fundamentally important for various emerging applications, including autonomous driving and robotics. A key requirement for training an accurate 3D object detector is the availability of a large amount of LiDAR-based…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Ruiyu Mao , Sarthak Kumar Maharana , Rishabh K Iyer , Yunhui Guo

Current state-of-the-art methods for object detection rely on annotated bounding boxes of large data sets for training. However, obtaining such annotations is expensive and can require up to hundreds of hours of manual labor. This poses a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Hannah Kniesel , Leon Sick , Tristan Payer , Tim Bergner , Kavitha Shaga Devan , Clarissa Read , Paul Walther , Timo Ropinski

Recent developments and the beginning market introduction of high-resolution imaging 4D (3+1D) radar sensors have initialized deep learning-based radar perception research. We investigate deep learning-based models operating on radar point…

Robotics · Computer Science 2023-08-11 Patrick Palmer , Martin Krueger , Richard Altendorfer , Ganesh Adam , Torsten Bertram

Point clouds provide intrinsic geometric information and surface context for scene understanding. Existing methods for point cloud segmentation require a large amount of fully labeled data. Using advanced depth sensors, collection of large…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Jiacheng Wei , Guosheng Lin , Kim-Hui Yap , Tzu-Yi Hung , Lihua Xie

3D object detection aims to predict object centers, dimensions, and rotations from LiDAR point clouds. Despite its simplicity, LiDAR captures only the near side of objects, making center-based detectors prone to poor localization accuracy…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Ruixiao Zhang , Runwei Guan , Xiangyu Chen , Adam Prugel-Bennett , Xiaohao Cai

We address the problem of 3D object detection from 2D monocular images in autonomous driving scenarios. We propose to lift the 2D images to 3D representations using learned neural networks and leverage existing networks working directly on…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Siddharth Srivastava , Frederic Jurie , Gaurav Sharma