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Depth estimation is a cornerstone of 3D reconstruction and plays a vital role in minimally invasive endoscopic surgeries. However, most current depth estimation networks rely on traditional convolutional neural networks, which are limited…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Bojian Li , Bo Liu , Xinning Yao , Jinghua Yue , Fugen Zhou

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…

计算机视觉与模式识别 · 计算机科学 2018-03-30 Pratul P. Srinivasan , Rahul Garg , Neal Wadhwa , Ren Ng , Jonathan T. Barron

Monocular depth inference is a fundamental problem for scene perception of robots. Specific robots may be equipped with a camera plus an optional depth sensor of any type and located in various scenes of different scales, whereas recent…

计算机视觉与模式识别 · 计算机科学 2023-10-25 Haotian Wang , Meng Yang , Nanning Zheng

Deep Convolution Neural Networks (CNN) have achieved significant performance on single image super-resolution (SR) recently. However, existing CNN-based methods use artificially synthetic low-resolution (LR) and high-resolution (HR) image…

计算机视觉与模式识别 · 计算机科学 2018-12-14 Tianyu Zhao , Wenqi Ren , Changqing Zhang , Dongwei Ren , Qinghua Hu

Learning-based multi-view stereo (MVS) has gained fine reconstructions on popular datasets. However, supervised learning methods require ground truth for training, which is hard to be collected, especially for the large-scale datasets.…

计算机视觉与模式识别 · 计算机科学 2022-03-07 Haonan Dong , Jian Yao

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…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Qing Li , Jiasong Zhu , Jun Liu , Rui Cao , Qingquan Li , Sen Jia , Guoping Qiu

The success of monocular depth estimation relies on large and diverse training sets. Due to the challenges associated with acquiring dense ground-truth depth across different environments at scale, a number of datasets with distinct…

计算机视觉与模式识别 · 计算机科学 2020-08-26 René Ranftl , Katrin Lasinger , David Hafner , Konrad Schindler , Vladlen Koltun

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

The unsupervised depth estimation is the recent trend by utilizing the binocular stereo images to get rid of depth map ground truth. In unsupervised depth computation, the disparity images are generated by training the CNN with an image…

计算机视觉与模式识别 · 计算机科学 2019-11-07 Vamshi Krishna Repala , Shiv Ram Dubey

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…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Xuezhi Xiang , Yao Wang , Lei Zhang , Denis Ombati , Himaloy Himu , Xiantong Zhen

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…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Uchitha Rajapaksha , Ferdous Sohel , Hamid Laga , Dean Diepeveen , Mohammed Bennamoun

Self-supervised monocular depth estimation aims to infer depth information without relying on labeled data. However, the lack of labeled information poses a significant challenge to the model's representation, limiting its ability to…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Guodong Sun , Junjie Liu , Mingxuan Liu , Moyun Liu , Yang Zhang

Depth estimation from a single underwater image is one of the most challenging problems and is highly ill-posed. Due to the absence of large generalized underwater depth datasets and the difficulty in obtaining ground truth depth-maps,…

计算机视觉与模式识别 · 计算机科学 2019-05-29 Honey Gupta , Kaushik Mitra

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…

计算机视觉与模式识别 · 计算机科学 2022-02-21 Noriaki Hirose , Kosuke Tahara

This work delves into unsupervised monocular depth estimation in endoscopy, which leverages adjacent frames to establish a supervisory signal during the training phase. For many clinical applications, e.g., surgical navigation, temporally…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Shuwei Shao , Zhongcai Pei , Weihai Chen , Xingming Wu , Zhong Liu

Nighttime self-supervised monocular depth estimation has received increasing attention in recent years. However, using night images for self-supervision is unreliable because the photometric consistency assumption is usually violated in the…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Haolin Yang , Chaoqiang Zhao , Lu Sheng , Yang Tang

Monocular depth estimation is the base task in computer vision. It has a tremendous development in the decade with the development of deep learning. But the boundary blur of the depth map is still a serious problem. Research finds the…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Xin Yang , Qingling Chang , Xinlin Liu , Yan Cui

In the current monocular depth research, the dominant approach is to employ unsupervised training on large datasets, driven by warped photometric consistency. Such approaches lack robustness and are unable to generalize to challenging…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Jaime Spencer , Richard Bowden , Simon Hadfield

Monocular depth estimation in the wild inherently predicts depth up to an unknown scale. To resolve scale ambiguity issue, we present a learning algorithm that leverages monocular simultaneous localization and mapping (SLAM) with…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Jaehoon Choi , Dongki Jung , Yonghan Lee , Deokhwa Kim , Dinesh Manocha , Donghwan Lee

Monocular depth estimation, similar to other image-based tasks, is prone to erroneous predictions due to ambiguities in the image, for example, caused by dynamic objects or shadows. For this reason, pixel-wise uncertainty assessment is…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Julia Hornauer , Amir El-Ghoussani , Vasileios Belagiannis