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Monocular depth estimation is known as an ill-posed task in which objects in a 2D image usually do not contain sufficient information to predict their depth. Thus, it acts differently from other tasks (e.g., classification and segmentation)…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Wencheng Han , Junbo Yin , Jianbing Shen

Per-pixel ground-truth depth data is challenging to acquire at scale. To overcome this limitation, self-supervised learning has emerged as a promising alternative for training models to perform monocular depth estimation. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Clément Godard , Oisin Mac Aodha , Michael Firman , Gabriel Brostow

This paper proposes to use keypoints as a self-supervision clue for learning depth map estimation from a collection of input images. As ground truth depth from real images is difficult to obtain, there are many unsupervised and…

计算机视觉与模式识别 · 计算机科学 2020-11-09 Kristijan Bartol , David Bojanic , Tomislav Petkovic , Tomislav Pribanic , Yago Diez Donoso

We present a self-supervised approach to training convolutional neural networks for dense depth estimation from monocular endoscopy data without a priori modeling of anatomy or shading. Our method only requires monocular endoscopic videos…

计算机视觉与模式识别 · 计算机科学 2019-10-31 Xingtong Liu , Ayushi Sinha , Masaru Ishii , Gregory D. Hager , Austin Reiter , Russell H. Taylor , Mathias Unberath

Deep learning models have witnessed depth and pose estimation framework on unannotated datasets as a effective pathway to succeed in endoscopic navigation. Most current techniques are dedicated to developing more advanced neural networks to…

计算机视觉与模式识别 · 计算机科学 2023-09-15 Junyang Wu , Yun Gu

This paper studies unsupervised monocular depth prediction problem. Most of existing unsupervised depth prediction algorithms are developed for outdoor scenarios, while the depth prediction work in the indoor environment is still very…

计算机视觉与模式识别 · 计算机科学 2019-11-21 Yinglong Feng , Shuncheng Wu , Okan Köpüklü , Xueyang Kang , Federico Tombari

Depth information is important for autonomous systems to perceive environments and estimate their own state. Traditional depth estimation methods, like structure from motion and stereo vision matching, are built on feature correspondences…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Chaoqiang Zhao , Qiyu Sun , Chongzhen Zhang , Yang Tang , Feng Qian

Dynamic scenes that contain both object motion and egomotion are a challenge for monocular visual odometry (VO). Another issue with monocular VO is the scale ambiguity, i.e. these methods cannot estimate scene depth and camera motion in…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Hirak J Kashyap , Charless Fowlkes , Jeffrey L Krichmar

Estimating depth from a single image represents an attractive alternative to more traditional approaches leveraging multiple cameras. In this field, deep learning yielded outstanding results at the cost of needing large amounts of data…

Body weight, as an essential physiological trait, is of considerable significance in many applications like body management, rehabilitation, and drug dosing for patient-specific treatments. Previous works on the body weight estimation task…

人机交互 · 计算机科学 2023-03-21 Ziyu Wu , Quan Wan , Mingjie Zhao , Yi Ke , Yiran Fang , Zhen Liang , Fangting Xie , Jingyuan Cheng

We study data-free knowledge distillation (KD) for monocular depth estimation (MDE), which learns a lightweight model for real-world depth perception tasks by compressing it from a trained teacher model while lacking training data in the…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Junjie Hu , Chenyou Fan , Mete Ozay , Hualie Jiang , Tin Lun Lam

Compressive imaging aims to recover a latent image from under-sampled measurements, suffering from a serious ill-posed inverse problem. Recently, deep neural networks have been applied to this problem with superior results, owing to the…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Yixiao Yang , Ran Tao , Kaixuan Wei , Ying Fu

Learning depth and optical flow via deep neural networks by watching videos has made significant progress recently. In this paper, we jointly solve the two tasks by exploiting the underlying geometric rules within stereo videos.…

计算机视觉与模式识别 · 计算机科学 2018-10-10 Yang Wang , Zhenheng Yang , Peng Wang , Yi Yang , Chenxu Luo , Wei Xu

Deep learning-based, single-view depth estimation methods have recently shown highly promising results. However, such methods ignore one of the most important features for determining depth in the human vision system, which is motion. We…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Rui Wang , Stephen M. Pizer , Jan-Michael Frahm

In this paper, we propose a Bidirectional Attention Network (BANet), an end-to-end framework for monocular depth estimation (MDE) that addresses the limitation of effectively integrating local and global information in convolutional neural…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Shubhra Aich , Jean Marie Uwabeza Vianney , Md Amirul Islam , Mannat Kaur , Bingbing Liu

Deep learning has shown significant value in medical image registration for motion correction, however, current techniques are either limited by the type and range of motion they can handle, or require iterative inference and/or retraining…

图像与视频处理 · 电气工程与系统科学 2026-05-04 Jian Wang , Razieh Faghihpirayesh , Danny Joca , Polina Golland , Ali Gholipour

Depth prediction is a critical problem in robotics applications especially autonomous driving. Generally, depth prediction based on binocular stereo matching and fusion of monocular image and laser point cloud are two mainstream methods.…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Guancheng Chen , Junli Lin , Huabiao Qin

Self-supervised depth learning from monocular images normally relies on the 2D pixel-wise photometric relation between temporally adjacent image frames. However, they neither fully exploit the 3D point-wise geometric correspondences, nor…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Kaichen Zhou , Lanqing Hong , Changhao Chen , Hang Xu , Chaoqiang Ye , Qingyong Hu , Zhenguo Li

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…

计算机视觉与模式识别 · 计算机科学 2020-04-15 Mertalp Ocal , Armin Mustafa

Multi-frame depth estimation improves over single-frame approaches by also leveraging geometric relationships between images via feature matching, in addition to learning appearance-based features. In this paper we revisit feature matching…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Vitor Guizilini , Rares Ambrus , Dian Chen , Sergey Zakharov , Adrien Gaidon