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3D object detection plays a crucial role in numerous intelligent vision systems. Detection in the open world inevitably encounters various adverse scenes, such as dense fog, heavy rain, and low light conditions. Although existing efforts…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Xingyuan Li , Jinyuan Liu , Yixin Lei , Long Ma , Xin Fan , Risheng Liu

Monocular 3D detection (M3D) aims for precise 3D object localization from a single-view image which usually involves labor-intensive annotation of 3D detection boxes. Weakly supervised M3D has recently been studied to obviate the 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Xueying Jiang , Sheng Jin , Lewei Lu , Xiaoqin Zhang , Shijian Lu

Scene flow estimation has been receiving increasing attention for 3D environment perception. Monocular scene flow estimation -- obtaining 3D structure and 3D motion from two temporally consecutive images -- is a highly ill-posed problem,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Junhwa Hur , Stefan Roth

Monocular depth estimation plays a crucial role in 3D recognition and understanding. One key limitation of existing approaches lies in their lack of structural information exploitation, which leads to inaccurate spatial layout,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Tian Chen , Shijie An , Yuan Zhang , Chongyang Ma , Huayan Wang , Xiaoyan Guo , Wen Zheng

For monocular depth estimation, acquiring ground truths for real data is not easy, and thus domain adaptation methods are commonly adopted using the supervised synthetic data. However, this may still incur a large domain gap due to the lack…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Yu-Ting Yen , Chia-Ni Lu , Wei-Chen Chiu , Yi-Hsuan Tsai

One of the key problems in 3D object detection is to reduce the accuracy gap between methods based on LiDAR sensors and those based on monocular cameras. A recently proposed framework for monocular 3D detection based on Pseudo-Stereo has…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Yuguang Shi

Self-localization on a 3D map by using an inexpensive monocular camera is required to realize autonomous driving. Self-localization based on a camera often uses a convolutional neural network (CNN) that can extract local features that are…

Robotics · Computer Science 2025-12-19 Satoshi Kikuchi , Masaya Kato , Tsuyoshi Tasaki

We introduce Metric3D v2, a geometric foundation model for zero-shot metric depth and surface normal estimation from a single image, which is crucial for metric 3D recovery. While depth and normal are geometrically related and highly…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Mu Hu , Wei Yin , Chi Zhang , Zhipeng Cai , Xiaoxiao Long , Kaixuan Wang , Hao Chen , Gang Yu , Chunhua Shen , Shaojie Shen

Self-supervised learning of depth map prediction and motion estimation from monocular video sequences is of vital importance -- since it realizes a broad range of tasks in robotics and autonomous vehicles. A large number of research efforts…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Ue-Hwan Kim , Jong-Hwan Kim

We present a method for jointly training the estimation of depth, ego-motion, and a dense 3D translation field of objects relative to the scene, with monocular photometric consistency being the sole source of supervision. We show that this…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Hanhan Li , Ariel Gordon , Hang Zhao , Vincent Casser , Anelia Angelova

3D object detection from monocular image(s) is a challenging and long-standing problem of computer vision. To combine information from different perspectives without troublesome 2D instance tracking, recent methods tend to aggregate…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Jianlin Liu , Zhuofei Huang , Dihe Huang , Shang Xu , Ying Chen , Yong Liu

We present a generalised self-supervised learning approach for monocular estimation of the real depth across scenes with diverse depth ranges from 1--100s of meters. Existing supervised methods for monocular depth estimation require…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Mertalp Ocal , Armin Mustafa

Monocular image-based 3D reconstruction of faces is a long-standing problem in computer vision. Since image data is a 2D projection of a 3D face, the resulting depth ambiguity makes the problem ill-posed. Most existing methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Ayush Tewari , Florian Bernard , Pablo Garrido , Gaurav Bharaj , Mohamed Elgharib , Hans-Peter Seidel , Patrick Pérez , Michael Zollhöfer , Christian Theobalt

Dense and accurate 3D mapping from a monocular sequence is a key technology for several applications and still an open research area. This paper leverages recent results on single-view CNN-based depth estimation and fuses them with…

Computer Vision and Pattern Recognition · Computer Science 2017-06-28 José M. Fácil , Alejo Concha , Luis Montesano , Javier Civera

Monocular 3D object detection is an essential task in autonomous driving. However, most current methods consider each 3D object in the scene as an independent training sample, while ignoring their inherent geometric relations, thus…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Jiaqi Gu , Bojian Wu , Lubin Fan , Jianqiang Huang , Shen Cao , Zhiyu Xiang , Xian-Sheng Hua

The advent of autonomous driving and advanced driver assistance systems necessitates continuous developments in computer vision for 3D scene understanding. Self-supervised monocular depth estimation, a method for pixel-wise distance…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Arnav Varma , Hemang Chawla , Bahram Zonooz , Elahe Arani

Off-road autonomous navigation demands reliable 3D perception for robust obstacle detection in challenging unstructured terrain. While LiDAR is accurate, it is costly and power-intensive. Monocular depth estimation using foundation models…

Estimating a scene's depth to achieve collision avoidance against moving pedestrians is a crucial and fundamental problem in the robotic field. This paper proposes a novel, low complexity network architecture for fast and accurate human…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Shan An , Fangru Zhou , Mei Yang , Haogang Zhu , Changhong Fu , Konstantinos A. Tsintotas

Monocular 3D lane detection is challenging due to the difficulty in capturing depth information from single-camera images. A common strategy involves transforming front-view (FV) images into bird's-eye-view (BEV) space through inverse…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Dongxin Lyu , Han Huang , Cheng Tan , Zimu Li

In recent years, self-supervised methods for monocular depth estimation has rapidly become an significant branch of depth estimation task, especially for autonomous driving applications. Despite the high overall precision achieved, current…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Feng Xue , Guirong Zhuo , Ziyuan Huang , Wufei Fu , Zhuoyue Wu , Marcelo H. Ang