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The ability to accurately estimate depth information is crucial for many autonomous applications to recognize the surrounded environment and predict the depth of important objects. One of the most recently used techniques is monocular depth…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Ahmed Zaitoon , Hossam El Din Abd El Munim , Hazem Abbas

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

Adaptation methods are developed to adapt depth foundation models to endoscopic depth estimation recently. However, such approaches typically under-perform training since they limit the parameter search to a low-rank subspace and alter the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Shuting Zhao , Chenkang Du , Kristin Qi , Xinrong Chen , Xinhan Di

Depth estimation is a crucial step for image-guided intervention in robotic surgery and laparoscopic imaging system. Since per-pixel depth ground truth is difficult to acquire for laparoscopic image data, it is rarely possible to apply…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Baoru Huang , Jian-Qing Zheng , Anh Nguyen , Chi Xu , Ioannis Gkouzionis , Kunal Vyas , David Tuch , Stamatia Giannarou , Daniel S. Elson

Self-supervised monocular depth estimation has shown impressive results in static scenes. It relies on the multi-view consistency assumption for training networks, however, that is violated in dynamic object regions and occlusions.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Libo Sun , Jia-Wang Bian , Huangying Zhan , Wei Yin , Ian Reid , Chunhua Shen

Real-world perception systems in many cases build on hardware with limited resources to adhere to cost and power limitations of their carrying system. Deploying deep neural networks on resource-constrained hardware became possible with…

Computer Vision and Pattern Recognition · Computer Science 2022-05-06 Julia Hornauer , Lazaros Nalpantidis , Vasileios Belagiannis

Self-supervised monocular depth estimation (SSMDE) has gained attention in the field of deep learning as it estimates depth without requiring ground truth depth maps. This approach typically uses a photometric consistency loss between a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Wonhyeok Choi , Kyumin Hwang , Minwoo Choi , Kiljoon Han , Wonjoon Choi , Mingyu Shin , Sunghoon Im

Self-supervised learning of convolutional neural networks can harness large amounts of cheap unlabeled data to train powerful feature representations. As surrogate task, we jointly address ordering of visual data in the spatial and temporal…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Uta Büchler , Biagio Brattoli , Björn Ommer

Monocular depth estimation in endoscopy videos can enable assistive and robotic surgery to obtain better coverage of the organ and detection of various health issues. Despite promising progress on mainstream, natural image depth estimation,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Akshay Paruchuri , Samuel Ehrenstein , Shuxian Wang , Inbar Fried , Stephen M. Pizer , Marc Niethammer , Roni Sengupta

Deep learning-based computer-aided diagnosis is gradually deployed to review and analyze medical images. However, this paradigm is restricted in real-world clinical applications due to the poor robustness and generalization. The issue is…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Yurong Chen

Learning based approaches for depth perception are limited by the availability of clean training data. This has led to the utilization of view synthesis as an indirect objective for learning depth estimation using efficient data acquisition…

Computer Vision and Pattern Recognition · Computer Science 2019-09-19 Nikolaos Zioulis , Antonis Karakottas , Dimitrios Zarpalas , Federico Alvarez , Petros Daras

With promising results of machine learning based models in computer vision, applications on medical imaging data have been increasing exponentially. However, generalizations to complex real-world clinical data is a persistent problem. Deep…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Nooshin Mojab , Vahid Noroozi , Darvin Yi , Manoj Prabhakar Nallabothula , Abdullah Aleem , Phillip S. Yu , Joelle A. Hallak

Monocular video human mesh recovery faces fundamental challenges in maintaining metric consistency and temporal stability due to inherent depth ambiguities and scale uncertainties. While existing methods rely primarily on RGB features and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Jiaxin Cen , Xudong Mao , Guanghui Yue , Wei Zhou , Ruomei Wang , Fan Zhou , Baoquan Zhao

Monocular depth estimation (MDE) is a critical component of many medical tracking and mapping algorithms, particularly from endoscopic or laparoscopic video. However, because ground truth depth maps cannot be acquired from real patient…

Computer Vision and Pattern Recognition · Computer Science 2024-01-31 John J. Han , Ayberk Acar , Callahan Henry , Jie Ying Wu

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…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Vitor Guizilini , Rares Ambrus , Dian Chen , Sergey Zakharov , Adrien Gaidon

Semi-supervised learning has made significant strides in the medical domain since it alleviates the heavy burden of collecting abundant pixel-wise annotated data for semantic segmentation tasks. Existing semi-supervised approaches enhance…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Xu Zheng , Chong Fu , Haoyu Xie , Jialei Chen , Xingwei Wang , Chiu-Wing Sham

Supervised deep learning usually faces more challenges in medical images than in natural images. Since annotations in medical images require the expertise of doctors and are more time-consuming and expensive. Thus, some researchers turn to…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Tao Yang , Lisheng Wang

Single-view depth estimation suffers from the problem that a network trained on images from one camera does not generalize to images taken with a different camera model. Thus, changing the camera model requires collecting an entirely new…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Jose M. Facil , Benjamin Ummenhofer , Huizhong Zhou , Luis Montesano , Thomas Brox , Javier Civera

For the task of simultaneous monocular depth and visual odometry estimation, we propose learning self-supervised transformer-based models in two steps. Our first step consists in a generic pretraining to learn 3D geometry, using cross-view…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Boris Chidlovskii , Leonid Antsfeld

To realize the full potential of deep learning for medical imaging, large annotated datasets are required for training. Such datasets are difficult to acquire because labeled medical images are not usually available due to privacy issues,…

Computer Vision and Pattern Recognition · Computer Science 2018-06-29 Faisal Mahmood , Richard Chen , Nicholas J. Durr