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This paper presents a probabilistic approach for online dense reconstruction using a single monocular camera moving through the environment. Compared to spatial stereo, depth estimation from motion stereo is challenging due to insufficient…

Robotics · Computer Science 2019-03-27 Yonggen Ling , Kaixuan Wang , Shaojie Shen

Perceiving 3D information is of paramount importance in many applications of computer vision. Recent advances in monocular depth estimation have shown that gaining such knowledge from a single camera input is possible by training deep…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Sai Shyam Chanduri , Zeeshan Khan Suri , Igor Vozniak , Christian Müller

Monocular depth estimation is vital for scene understanding and downstream tasks. We focus on the supervised setup, in which ground-truth depth is available only at training time. Based on knowledge about the high regularity of real 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Vaishakh Patil , Christos Sakaridis , Alexander Liniger , Luc Van Gool

Estimating depth from RGB images can facilitate many computer vision tasks, such as indoor localization, height estimation, and simultaneous localization and mapping (SLAM). Recently, monocular depth estimation has obtained great progress…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Qing Li , Jiasong Zhu , Jun Liu , Rui Cao , Qingquan Li , Sen Jia , Guoping Qiu

Estimating depth from a monocular image is an ill-posed problem: when the camera projects a 3D scene onto a 2D plane, depth information is inherently and permanently lost. Nevertheless, recent work has shown impressive results in estimating…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Jagpreet Chawla , Nikhil Thakurdesai , Anuj Godase , Md Reza , David Crandall , Soon-Heung Jung

In monocular depth estimation, disturbances in the image context, like moving objects or reflecting materials, can easily lead to erroneous predictions. For that reason, uncertainty estimates for each pixel are necessary, in particular for…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Julia Hornauer , Vasileios Belagiannis

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

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

Depth cues have been proved very useful in various computer vision and robotic tasks. This paper addresses the problem of monocular depth estimation from a single still image. Inspired by the effectiveness of recent works on multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2018-03-05 Dan Xu , Elisa Ricci , Wanli Ouyang , Xiaogang Wang , Nicu Sebe

Monocular depth estimation is an important step in many downstream tasks in machine vision. We address the topic of estimating monocular depth from defocus blur which can yield more accurate results than the semantic based depth estimation…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Lahiru Wijayasingha , Homa Alemzadeh , John A. Stankovic

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

Learning single image depth estimation model from monocular video sequence is a very challenging problem. In this paper, we propose a novel training loss which enables us to include more images for supervision during the training process.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Zhenwei Luo

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

Self-supervised monocular depth estimation has been widely investigated to estimate depth images and relative poses from RGB images. This framework is attractive for researchers because the depth and pose networks can be trained from just…

Computer Vision and Pattern Recognition · Computer Science 2022-02-21 Noriaki Hirose , Kosuke Tahara

In this paper we consider the problem of single monocular image depth estimation. It is a challenging problem due to its ill-posedness nature and has found wide application in industry. Previous efforts belongs roughly to two families:…

Computer Vision and Pattern Recognition · Computer Science 2018-01-16 Yiran Wu , Sihao Ying , Lianmin Zheng

Estimating depth from single RGB images and videos is of widespread interest due to its applications in many areas, including autonomous driving, 3D reconstruction, digital entertainment, and robotics. More than 500 deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Uchitha Rajapaksha , Ferdous Sohel , Hamid Laga , Dean Diepeveen , Mohammed Bennamoun

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

We present a novel method to train machine learning algorithms to estimate scene depths from a single image, by using the information provided by a camera's aperture as supervision. Prior works use a depth sensor's outputs or images of the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Pratul P. Srinivasan , Rahul Garg , Neal Wadhwa , Ren Ng , Jonathan T. Barron

Depth estimation from a single image represents a fascinating, yet challenging problem with countless applications. Recent works proved that this task could be learned without direct supervision from ground truth labels leveraging image…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Fabio Tosi , Filippo Aleotti , Matteo Poggi , Stefano Mattoccia

Monocular Depth Estimation is usually treated as a supervised and regression problem when it actually is very similar to semantic segmentation task since they both are fundamentally pixel-level classification tasks. We applied depth…

Computer Vision and Pattern Recognition · Computer Science 2019-10-24 Azeez Oluwafemi , Yang Zou , B. V. K. Vijaya Kumar