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Self-supervised monocular methods can efficiently learn depth information of weakly textured surfaces or reflective objects. However, the depth accuracy is limited due to the inherent ambiguity in monocular geometric modeling. In contrast,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Xiaofeng Wang , Zheng Zhu , Guan Huang , Xu Chi , Yun Ye , Ziwei Chen , Xingang Wang

Learning-based monocular depth estimation leverages geometric priors present in the training data to enable metric depth perception from a single image, a traditionally ill-posed problem. However, these priors are often specific to a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Karlo Koledić , Luka Petrović , Ivan Petrović , Ivan Marković

Monocular depth estimation aims at estimating a pixelwise depth map for a single image, which has wide applications in scene understanding and autonomous driving. Existing supervised and unsupervised methods face great challenges.…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Xiaoyang Guo , Hongsheng Li , Shuai Yi , Jimmy Ren , Xiaogang Wang

Scale-aware monocular depth estimation poses a significant challenge in computer-aided endoscopic navigation. However, existing depth estimation methods that do not consider the geometric priors struggle to learn the absolute scale from…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Ruofeng Wei , Bin Li , Kai Chen , Yiyao Ma , Yunhui Liu , Qi Dou

Recent work on depth estimation up to now has only focused on projective images ignoring 360 content which is now increasingly and more easily produced. We show that monocular depth estimation models trained on traditional images produce…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Nikolaos Zioulis , Antonis Karakottas , Dimitrios Zarpalas , Petros Daras

Neural-network-based single image depth prediction (SIDP) is a challenging task where the goal is to predict the scene's per-pixel depth at test time. Since the problem, by definition, is ill-posed, the fundamental goal is to come up with…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Ce Liu , Suryansh Kumar , Shuhang Gu , Radu Timofte , Luc Van Gool

Although existing monocular depth estimation methods have made great progress, predicting an accurate absolute depth map from a single image is still challenging due to the limited modeling capacity of networks and the scale ambiguity…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Jie Xiang , Yun Wang , Lifeng An , Haiyang Liu , Zijun Wang , Jian Liu

Unsupervised learning based depth estimation methods have received more and more attention as they do not need vast quantities of densely labeled data for training which are touch to acquire. In this paper, we propose a novel unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Lingtao Zhou , Jiaojiao Fang , Guizhong Liu

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

In this work, we propose a novel approach to prioritize the depth map computation of multi-view stereo (MVS) to obtain compact 3D point clouds of high quality and completeness at low computational cost. Our prioritization approach operates…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 Christian Mostegel , Friedrich Fraundorfer , Horst Bischof

Localizing objects in 3D space and understanding their associated 3D properties is challenging given only monocular RGB images. The situation is compounded by the loss of depth information during perspective projection. We present Center3D,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Yunlei Tang , Sebastian Dorn , Chiragkumar Savani

We propose D3VO as a novel framework for monocular visual odometry that exploits deep networks on three levels -- deep depth, pose and uncertainty estimation. We first propose a novel self-supervised monocular depth estimation network…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Nan Yang , Lukas von Stumberg , Rui Wang , Daniel Cremers

Unsupervised depth estimation from a single image is a very attractive technique with several implications in robotic, autonomous navigation, augmented reality and so on. This topic represents a very challenging task and the advent of deep…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Matteo Poggi , Filippo Aleotti , Fabio Tosi , Stefano Mattoccia

In this work we present a method to train a plane-aware convolutional neural network for dense depth and surface normal estimation as well as plane boundaries from a single indoor $360^\circ$ image. Using our proposed loss function, our…

Computer Vision and Pattern Recognition · Computer Science 2020-02-25 Marc Eder , Pierre Moulon , Li Guan

Depth estimation from a single image is an important task that can be applied to various fields in computer vision, and has grown rapidly with the development of convolutional neural networks. In this paper, we propose a novel structure and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Doyeon Kim , Woonghyun Ka , Pyungwhan Ahn , Donggyu Joo , Sehwan Chun , Junmo Kim

Depth completion involves predicting dense depth maps from sparse LiDAR inputs. However, sparse depth annotations from sensors limit the availability of dense supervision, which is necessary for learning detailed geometric features. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Yingping Liang , Yutao Hu , Wenqi Shao , Ying Fu

Over the past few years, self-supervised monocular depth estimation that does not depend on ground-truth during the training phase has received widespread attention. Most efforts focus on designing different types of network architectures…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Shuwei Shao , Zhongcai Pei , Weihai Chen , Dingchi Sun , Peter C. Y. Chen , Zhengguo Li

As an inherently ill-posed problem, depth estimation from single images is the most challenging part of monocular 3D object detection (M3OD). Many existing methods rely on preconceived assumptions to bridge the missing spatial information…

Computer Vision and Pattern Recognition · Computer Science 2022-05-20 Zhuoling Li , Zhan Qu , Yang Zhou , Jianzhuang Liu , Haoqian Wang , Lihui Jiang

Self-supervised monocular depth estimation is an attractive solution that does not require hard-to-source depth labels for training. Convolutional neural networks (CNNs) have recently achieved great success in this task. However, their…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Chaoqiang Zhao , Youmin Zhang , Matteo Poggi , Fabio Tosi , Xianda Guo , Zheng Zhu , Guan Huang , Yang Tang , Stefano Mattoccia

Monocular and stereo depth estimation offer complementary strengths: monocular methods capture rich contextual priors but lack geometric precision, while stereo approaches leverage epipolar geometry yet struggle with ambiguities such as…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Tongfan Guan , Jiaxin Guo , Chen Wang , Yun-Hui Liu
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