中文
相关论文

相关论文: Depth Estimation from Single-shot Monocular Endosc…

200 篇论文

Monocular depth estimation has shown promise in general imaging tasks, aiding in localization and 3D reconstruction. While effective in various domains, its application to bronchoscopic images is hindered by the lack of labeled data,…

图像与视频处理 · 电气工程与系统科学 2024-11-08 Qingyao Tian , Huai Liao , Xinyan Huang , Lujie Li , Hongbin Liu

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

Estimating depth information from endoscopic images is a prerequisite for a wide set of AI-assisted technologies, such as accurate localization and measurement of tumors, or identification of non-inspected areas. As the domain specificity…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Javier Rodríguez-Puigvert , David Recasens , Javier Civera , Rubén Martínez-Cantín

It is difficult to collect data on a large scale in a monocular depth estimation because the task requires the simultaneous acquisition of RGB images and depths. Data augmentation is thus important to this task. However, there has been…

计算机视觉与模式识别 · 计算机科学 2021-07-19 Yasunori Ishii , Takayoshi Yamashita

Supervised learning based methods for monocular depth estimation usually require large amounts of extensively annotated training data. In the case of aerial imagery, this ground truth is particularly difficult to acquire. Therefore, in this…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Max Hermann , Boitumelo Ruf , Martin Weinmann , Stefan Hinz

Endoscopic depth estimation is a critical technology for improving the safety and precision of minimally invasive surgery. It has attracted considerable attention from researchers in medical imaging, computer vision, and robotics. Over the…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Ke Niu , Zeyun Liu , Xue Feng , Heng Li , Qika Lin , Kaize Shi

Depth estimation from monocular endoscopic images presents significant challenges due to the complexity of endoscopic surgery, such as irregular shapes of human soft tissues, as well as variations in lighting conditions. Existing methods…

图像与视频处理 · 电气工程与系统科学 2025-02-07 Dawei Lu , Deqiang Xiao , Danni Ai , Jingfan Fan , Tianyu Fu , Yucong Lin , Hong Song , Xujiong Ye , Lei Zhang , Jian Yang

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

Monocular depth and pose estimation play an important role in the development of colonoscopy-assisted navigation, as they enable improved screening by reducing blind spots, minimizing the risk of missed or recurrent lesions, and lowering…

计算机视觉与模式识别 · 计算机科学 2026-02-23 Xinwei Ju , Rema Daher , Danail Stoyanov , Sophia Bano , Francisco Vasconcelos

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

A single color image can contain many cues informative towards different aspects of local geometric structure. We approach the problem of monocular depth estimation by using a neural network to produce a mid-level representation that…

计算机视觉与模式识别 · 计算机科学 2016-09-08 Ayan Chakrabarti , Jingyu Shao , Gregory Shakhnarovich

Depth estimation is a challenging task of 3D reconstruction to enhance the accuracy sensing of environment awareness. This work brings a new solution with a set of improvements, which increase the quantitative and qualitative understanding…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Armin Masoumian , Hatem A. Rashwan , Saddam Abdulwahab , Julian Cristiano , Domenec Puig

Estimating precise metric depth and scene reconstruction from monocular endoscopy is a fundamental task for surgical navigation in robotic surgery. However, traditional stereo matching adopts binocular images to perceive the depth…

机器人学 · 计算机科学 2022-11-29 Ruofeng Wei , Bin Li , Hangjie Mo , Fangxun Zhong , Yonghao Long , Qi Dou , Yun-Hui Liu , Dong Sun

Depth estimation from a single image is an important task that can be applied to various fields in computer vision, and has grown rapidly with the development of convolutional neural networks. In this paper, we propose a novel structure and…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Doyeon Kim , Woonghyun Ka , Pyungwhan Ahn , Donggyu Joo , Sehwan Chun , Junmo Kim

Unsupervised deep learning methods have shown promising performance for single-image depth estimation. Since most of these methods use binocular stereo pairs for self-supervision, the depth range is generally limited. Small-baseline stereo…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Saad Imran , Muhammad Umar Karim Khan , Sikander Bin Mukarram , Chong-Min Kyung

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

One of the important parameters for the assessment of glaucoma is optic nerve head (ONH) evaluation, which usually involves depth estimation and subsequent optic disc and cup boundary extraction. Depth is usually obtained explicitly from…

图像与视频处理 · 电气工程与系统科学 2020-07-16 Sharath M Shankaranarayana , Keerthi Ram , Kaushik Mitra , Mohanasankar Sivaprakasam

Objective: Depth estimation is crucial for endoscopic navigation and manipulation, but obtaining ground-truth depth maps in real clinical scenarios, such as the colon, is challenging. This study aims to develop a robust framework that…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Sijia Du , Chengfeng Zhou , Suncheng Xiang , Jianwei Xu , Dahong Qian

Accurate depth estimation from images is a fundamental task in many applications including scene understanding and reconstruction. Existing solutions for depth estimation often produce blurry approximations of low resolution. This paper…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Ibraheem Alhashim , Peter Wonka

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