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3D object detection is vital as it would enable us to capture objects' sizes, orientation, and position in the world. As a result, we would be able to use this 3D detection in real-world applications such as Augmented Reality (AR),…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Abonia Sojasingarayar , Ashish Patel

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

In this paper, we study the problem of 3D object detection from stereo images, in which the key challenge is how to effectively utilize stereo information. Different from previous methods using pixel-level depth maps, we propose employing…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Zengyi Qin , Jinglu Wang , Yan Lu

Pseudo-LiDAR 3D detectors have made remarkable progress in monocular 3D detection by enhancing the capability of perceiving depth with depth estimation networks, and using LiDAR-based 3D detection architectures. The advanced stereo 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Yi-Nan Chen , Hang Dai , Yong Ding

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

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Zengyi Qin , Jinglu Wang , Yan Lu

Monocular 3D object detection is a cost-effective solution for applications like autonomous driving and robotics, but remains fundamentally ill-posed due to inherently ambiguous depth cues. Recent DETR-based methods attempt to mitigate this…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Soyul Lee , Seungmin Baek , Dongbo Min

Recent progress in 3D object detection from single images leverages monocular depth estimation as a way to produce 3D pointclouds, turning cameras into pseudo-lidar sensors. These two-stage detectors improve with the accuracy of the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Dennis Park , Rares Ambrus , Vitor Guizilini , Jie Li , Adrien Gaidon

3D object detection is an important capability needed in various practical applications such as driver assistance systems. Monocular 3D detection, as a representative general setting among image-based approaches, provides a more economical…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Tai Wang , Xinge Zhu , Jiangmiao Pang , Dahua Lin

This paper reports a new continuous 3D loss function for learning depth from monocular images. The dense depth prediction from a monocular image is supervised using sparse LIDAR points, which enables us to leverage available open source…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Minghan Zhu , Maani Ghaffari , Yuanxin Zhong , Pingping Lu , Zhong Cao , Ryan M. Eustice , Huei Peng

Today's state-of-the-art methods for 3D object detection are based on lidar, stereo, or monocular cameras. Lidar-based methods achieve the best accuracy, but have a large footprint, high cost, and mechanically-limited angular sampling…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Frank Julca-Aguilar , Jason Taylor , Mario Bijelic , Fahim Mannan , Ethan Tseng , Felix Heide

Compared to typical multi-sensor systems, monocular 3D object detection has attracted much attention due to its simple configuration. However, there is still a significant gap between LiDAR-based and monocular-based methods. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Chenxi Huang , Tong He , Haidong Ren , Wenxiao Wang , Binbin Lin , Deng Cai

Monocular 3D object detection has attracted great attention for its advantages in simplicity and cost. Due to the ill-posed 2D to 3D mapping essence from the monocular imaging process, monocular 3D object detection suffers from inaccurate…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Zequn Qin , Xi Li

While expensive LiDAR and stereo camera rigs have enabled the development of successful 3D object detection methods, monocular RGB-only approaches lag much behind. This work advances the state of the art by introducing MoVi-3D, a novel,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Andrea Simonelli , Samuel Rota Bulò , Lorenzo Porzi , Elisa Ricci , Peter Kontschieder

Monocular 3D object detection plays a crucial role in autonomous driving. However, existing monocular 3D detection algorithms depend on 3D labels derived from LiDAR measurements, which are costly to acquire for new datasets and challenging…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Fulong Ma , Xiaoyang Yan , Guoyang Zhao , Xiaojie Xu , Yuxuan Liu , Jun Ma , Ming Liu

Monocular 3D detection relies on just a single camera and is therefore easy to deploy. Yet, achieving reliable 3D understanding from monocular images requires substantial annotation, and 3D labels are especially costly. To maximize…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Johannes Meier , Florian Günther , Riccardo Marin , Oussema Dhaouadi , Jacques Kaiser , Daniel Cremers

Current monocular 3D detectors are held back by the limited diversity and scale of real-world datasets. While data augmentation certainly helps, it's particularly difficult to generate realistic scene-aware augmented data for outdoor…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Rishubh Parihar , Srinjay Sarkar , Sarthak Vora , Jogendra Kundu , R. Venkatesh Babu

Recent advances in monocular 3D detection leverage a depth estimation network explicitly as an intermediate stage of the 3D detection network. Depth map approaches yield more accurate depth to objects than other methods thanks to the depth…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Youngseok Kim , Sanmin Kim , Sangmin Sim , Jun Won Choi , Dongsuk Kum

Recent advancements in camera-based 3D object detection have introduced cross-modal knowledge distillation to bridge the performance gap with LiDAR 3D detectors, leveraging the precise geometric information in LiDAR point clouds. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Sanmin Kim , Youngseok Kim , Sihwan Hwang , Hyeonjun Jeong , Dongsuk Kum

Monocular 3D object detection is challenging due to the lack of accurate depth. However, existing depth-assisted solutions still exhibit inferior performance, whose reason is universally acknowledged as the unsatisfactory accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Qiude Zhang , Chunyu Lin , Zhijie Shen , Nie Lang , Yao Zhao

Monocular 3D detection is a challenging task due to the lack of accurate 3D information. Existing approaches typically rely on geometry constraints and dense depth estimates to facilitate the learning, but often fail to fully exploit the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Liang Peng , Junkai Xu , Haoran Cheng , Zheng Yang , Xiaopei Wu , Wei Qian , Wenxiao Wang , Boxi Wu , Deng Cai