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Depth estimation from single monocular images is a key component of scene understanding and has benefited largely from deep convolutional neural networks (CNN) recently. In this article, we take advantage of the recent deep residual…

Computer Vision and Pattern Recognition · Computer Science 2017-08-14 Yuanzhouhan Cao , Zifeng Wu , Chunhua Shen

We introduce a framework for multi-camera 3D object detection. In contrast to existing works, which estimate 3D bounding boxes directly from monocular images or use depth prediction networks to generate input for 3D object detection from 2D…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Yue Wang , Vitor Guizilini , Tianyuan Zhang , Yilun Wang , Hang Zhao , Justin Solomon

Depth Estimation has wide reaching applications in the field of Computer vision such as target tracking, augmented reality, and self-driving cars. The goal of Monocular Depth Estimation is to predict the depth map, given a 2D monocular RGB…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Mayank Poddar , Akash Mishra , Mohit Kewlani , Haoyang Pei

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

The main challenge of monocular 3D object detection is the accurate localization of 3D center. Motivated by a new and strong observation that this challenge can be remedied by a 3D-space local-grid search scheme in an ideal case, we propose…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Xianpeng Liu , Ce Zheng , Kelvin Cheng , Nan Xue , Guo-Jun Qi , Tianfu Wu

Monocular depth estimation has become one of the most studied applications in computer vision, where the most accurate approaches are based on fully supervised learning models. However, the acquisition of accurate and large ground truth…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Adrian Johnston , Gustavo Carneiro

Accurate depth information is crucial for enhancing the performance of multi-view 3D object detection. Despite the success of some existing multi-view 3D detectors utilizing pixel-wise depth supervision, they overlook two significant…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Jinghua Hou , Tong Wang , Xiaoqing Ye , Zhe Liu , Shi Gong , Xiao Tan , Errui Ding , Jingdong Wang , Xiang Bai

Monocular 3D object tracking aims to estimate temporally consistent 3D object poses across video frames, enabling autonomous agents to reason about scene dynamics. However, existing state-of-the-art approaches are fully supervised and rely…

Robotics · Computer Science 2026-03-20 Nikhil Gosala , B. Ravi Kiran , Senthil Yogamani , Abhinav Valada

Monocular 3D detection (Mono3D) aims to infer 3D bounding boxes from a single RGB image. Without auxiliary sensors such as LiDAR, this task is inherently ill-posed since the 3D-to-2D projection introduces depth ambiguity. Previous works…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Zhihao Zhang , Abhinav Kumar , Girish Chandar Ganesan , Xiaoming Liu

The task of detecting 3D objects is important to various robotic applications. The existing deep learning-based detection techniques have achieved impressive performance. However, these techniques are limited to run with a graphics…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Xuesong Li , Jose Guivant , Subhan Khan

In this paper, we propose a monocular 3D object detection framework in the domain of autonomous driving. Unlike previous image-based methods which focus on RGB feature extracted from 2D images, our method solves this problem in the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Xinzhu Ma , Zhihui Wang , Haojie Li , Pengbo Zhang , Xin Fan , Wanli Ouyang

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

Most existing algorithms for depth estimation from single monocular images need large quantities of metric groundtruth depths for supervised learning. We show that relative depth can be an informative cue for metric depth estimation and can…

Computer Vision and Pattern Recognition · Computer Science 2019-07-12 Yuanzhouhan Cao , Tianqi Zhao , Ke Xian , Chunhua Shen , Zhiguo Cao , Shugong Xu

Monocular depth estimation (MDE) aims to transform an RGB image of a scene into a pixelwise depth map from the same camera view. It is fundamentally ill-posed due to missing information: any single image can have been taken from many…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Dylan Auty , Krystian Mikolajczyk

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

360{\deg} cameras can capture complete environments in a single shot, which makes 360{\deg} imagery alluring in many computer vision tasks. However, monocular depth estimation remains a challenge for 360{\deg} data, particularly for high…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Manuel Rey-Area , Mingze Yuan , Christian Richardt

Self-supervised monocular depth estimation has emerged as a promising approach since it does not rely on labeled training data. Most methods combine convolution and Transformer to model long-distance dependencies to estimate depth…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Xuezhi Xiang , Yao Wang , Lei Zhang , Denis Ombati , Himaloy Himu , Xiantong Zhen

Monocular 3D object detection is a challenging task in autonomous systems due to the lack of explicit depth information in single-view images. Existing methods often depend on external depth estimators or expensive sensors, which increase…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Ruochen Zhang , Hyeung-Sik Choi , Dongwook Jung , Phan Huy Nam Anh , Sang-Ki Jeong , Zihao Zhu

Monocular 3D object detection aims to predict the object location, dimension and orientation in 3D space alongside the object category given only a monocular image. It poses a great challenge due to its ill-posed property which is…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Zheyuan Zhou , Liang Du , Xiaoqing Ye , Zhikang Zou , Xiao Tan , Li Zhang , Xiangyang Xue , Jianfeng Feng

Depth estimation plays a pivotal role in advancing human-robot interactions, especially in indoor environments where accurate 3D scene reconstruction is essential for tasks like navigation and object handling. Monocular depth estimation,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Siddiqui Muhammad Yasir , Hyunsik Ahn