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相关论文: Monocular absolute depth estimation from endoscopy…

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Accurate real depth annotations are difficult to acquire, needing the use of special devices such as a LiDAR sensor. Self-supervised methods try to overcome this problem by processing video or stereo sequences, which may not always be…

计算机视觉与模式识别 · 计算机科学 2020-09-04 Adrian Lopez-Rodriguez , Krystian Mikolajczyk

In the field of monocular depth estimation (MDE), many models with excellent zero-shot performance in general scenes emerge recently. However, these methods often fail in predicting non-Lambertian surfaces, such as transparent or mirror…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Junrui Zhang , Jiaqi Li , Yachuan Huang , Yiran Wang , Jinghong Zheng , Liao Shen , Zhiguo Cao

Self-supervised monocular depth estimation serves as a key task in the development of endoscopic navigation systems. However, performance degradation persists due to uneven illumination inherent in endoscopic images, particularly in…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Mingyang Ou , Haojin Li , Yifeng Zhang , Ke Niu , Zhongxi Qiu , Heng Li , Jiang Liu

With the rapid advancements in autonomous driving and robot navigation, there is a growing demand for lifelong learning models capable of estimating metric (absolute) depth. Lifelong learning approaches potentially offer significant cost…

计算机视觉与模式识别 · 计算机科学 2023-10-16 Junjie Hu , Chenyou Fan , Liguang Zhou , Qing Gao , Honghai Liu , Tin Lun Lam

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,…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Akshay Paruchuri , Samuel Ehrenstein , Shuxian Wang , Inbar Fried , Stephen M. Pizer , Marc Niethammer , Roni Sengupta

Monocular depth estimation in colonoscopy video aims to overcome the unusual lighting properties of the colonoscopic environment. One of the major challenges in this area is the domain gap between annotated but unrealistic synthetic data…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Shuxian Wang , Akshay Paruchuri , Zhaoxi Zhang , Sarah McGill , Roni Sengupta

Monocular depth estimation is a critical function in computer vision applications. This paper shows that large language models (LLMs) can effectively interpret depth with minimal supervision, using efficient resource utilization and a…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Zhongyi Xia , Tianzhao Wu

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

It has long been an ill-posed problem to predict absolute depth maps from single images in real (unseen) indoor scenes. We observe that it is essentially due to not only the scale-ambiguous problem but also the focal-ambiguous problem that…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Chengrui Wei , Meng Yang , Lei He , Nanning Zheng

This work presents EndoStreamDepth, a monocular depth estimation framework for endoscopic video streams. It provides accurate depth maps with sharp anatomical boundaries for each frame, temporally consistent predictions across frames, and…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Hao Li , Daiwei Lu , Jiacheng Wang , Robert J. Webster , Ipek Oguz

Medical endoscopy remains a challenging application for simultaneous localization and mapping (SLAM) due to the sparsity of image features and size constraints that prevent direct depth-sensing. We present a SLAM approach that incorporates…

图像与视频处理 · 电气工程与系统科学 2019-07-02 Richard J. Chen , Taylor L. Bobrow , Thomas Athey , Faisal Mahmood , Nicholas J. Durr

A deep learning-based monocular depth estimation (MDE) technique is proposed for selection of most informative frames (key frames) of an endoscopic video. In most of the cases, ground truth depth maps of polyps are not readily available and…

计算机视觉与模式识别 · 计算机科学 2021-07-12 Pradipta Sasmal , Avinash Paul , M. K. Bhuyan , Yuji Iwahori

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

We present a novel unsupervised learning framework for single view depth estimation using monocular videos. It is well known in 3D vision that enlarging the baseline can increase the depth estimation accuracy, and jointly optimizing a set…

计算机视觉与模式识别 · 计算机科学 2018-12-11 Lipu Zhou , Jiamin Ye , Montiel Abello , Shengze Wang , Michael Kaess

Monocular depth estimation (MDE) with self-supervised training approaches struggles in low-texture areas, where photometric losses may lead to ambiguous depth predictions. To address this, we propose a novel technique that enhances spatial…

图像与视频处理 · 电气工程与系统科学 2026-05-14 Marwane Hariat , Antoine Manzanera , David Filliat

Solving depth estimation with monocular cameras enables the possibility of widespread use of cameras as low-cost depth estimation sensors in applications such as autonomous driving and robotics. However, learning such a scalable depth…

计算机视觉与模式识别 · 计算机科学 2020-07-30 Bin Cheng , Inderjot Singh Saggu , Raunak Shah , Gaurav Bansal , Dinesh Bharadia

Depth estimation from a single image is an active research topic in computer vision. The most accurate approaches are based on fully supervised learning models, which rely on a large amount of dense and high-resolution (HR) ground-truth…

计算机视觉与模式识别 · 计算机科学 2021-09-27 Jialei Xu , Yuanchao Bai , Xianming Liu , Junjun Jiang , Xiangyang Ji

Monocular relative and metric depth estimation has seen a tremendous boost in the last few years due to the sharp advancements in foundation models and in particular transformer based networks. As we start to see applications to the domain…

We propose a self-supervised monocular depth estimation network tailored for endoscopic scenes, aiming to infer depth within the gastrointestinal tract from monocular images. Existing methods, though accurate, typically assume consistent…

计算机视觉与模式识别 · 计算机科学 2025-04-25 Zebo Huang , Yinghui Wang

Depth information is the foundation of perception, essential for autonomous driving, robotics, and other source-constrained applications. Promptly obtaining accurate and efficient depth information allows for a rapid response in dynamic…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Xin Zhang , Rabab Abdelfattah , Yuqi Song , Samuel A. Dauchert , Xiaofeng wang