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Related papers: MetaFE-DE: Learning Meta Feature Embedding for Dep…

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3D reconstruction of endoscopic surgery scenes plays a vital role in enhancing scene perception, enabling AR visualization, and supporting context-aware decision-making in image-guided surgery. A critical yet challenging step in this…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Changhao Zhang , Matthew J. Clarkson , Mobarak I. Hoque

In recent years, monocular depth estimation is applied to understand the surrounding 3D environment and has made great progress. However, there is an ill-posed problem on how to gain depth information directly from a single image. With the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Meiqi Pei

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…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Ibraheem Alhashim , Peter Wonka

Video inpainting fills in corrupted video content with plausible replacements. While recent advances in endoscopic video inpainting have shown potential for enhancing the quality of endoscopic videos, they mainly repair 2D visual…

Image and Video Processing · Electrical Eng. & Systems 2024-07-04 Francis Xiatian Zhang , Shuang Chen , Xianghua Xie , Hubert P. H. Shum

Depth sensing is a critical function for robotic tasks such as localization, mapping and obstacle detection. There has been a significant and growing interest in depth estimation from a single RGB image, due to the relatively low cost and…

Computer Vision and Pattern Recognition · Computer Science 2019-03-11 Diana Wofk , Fangchang Ma , Tien-Ju Yang , Sertac Karaman , Vivienne Sze

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…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Jaime Spencer , Richard Bowden , Simon Hadfield

In this article, we tackle the problem of depth estimation from single monocular images. Compared with depth estimation using multiple images such as stereo depth perception, depth from monocular images is much more challenging. Prior work…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Fayao Liu , Chunhua Shen , Guosheng Lin , Ian Reid

Monocular depth estimation involves predicting depth from a single RGB image and plays a crucial role in applications such as autonomous driving, robotic navigation, 3D reconstruction, etc. Recent advancements in learning-based methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Jingming Xia , Guanqun Cao , Guang Ma , Yiben Luo , Qinzhao Li , John Oyekan

Neural networks have shown great success in extracting geometric information from color images. Especially, monocular depth estimation networks are increasingly reliable in real-world scenes. In this work we investigate the applicability of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Dominik Engel , Sebastian Hartwig , Timo Ropinski

Feature matching and finding correspondences between endoscopic images is a key step in many clinical applications such as patient follow-up and generation of panoramic image from clinical sequences for fast anomalies localization.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Manel Farhat , Houda Chaabouni-Chouayakh , Achraf Ben-Hamadou

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

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…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Guodong Sun , Junjie Liu , Mingxuan Liu , Moyun Liu , Yang Zhang

Monocular depth estimation (MDE) provides a useful tool for robotic perception, but its predictions are often uncertain and inaccurate in challenging environments such as surgical scenes where textureless surfaces, specular reflections, and…

We propose a depth estimation method from a single-shot monocular endoscopic image using Lambertian surface translation by domain adaptation and depth estimation using multi-scale edge loss. We employ a two-step estimation process including…

Image and Video Processing · Electrical Eng. & Systems 2022-01-13 Masahiro Oda , Hayato Itoh , Kiyohito Tanaka , Hirotsugu Takabatake , Masaki Mori , Hiroshi Natori , Kensaku Mori

Depth estimation from a single image represents a very exciting challenge in computer vision. While other image-based depth sensing techniques leverage on the geometry between different viewpoints (e.g., stereo or structure from motion),…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Pierluigi Zama Ramirez , Matteo Poggi , Fabio Tosi , Stefano Mattoccia , Luigi Di Stefano

Monocular depth estimation (MDE) has widely applicable but remains highly challenging due to the inherently ill-posed nature of reconstructing 3D scenes from single 2D images. Modern Vision Foundation Models (VFMs), pre-trained on…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Gongshu Wang , Zhirui Wang , Kan Yang

Multi-frame depth estimation generally achieves high accuracy relying on the multi-view geometric consistency. When applied in dynamic scenes, e.g., autonomous driving, this consistency is usually violated in the dynamic areas, leading to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Rui Li , Dong Gong , Wei Yin , Hao Chen , Yu Zhu , Kaixuan Wang , Xiaozhi Chen , Jinqiu Sun , Yanning Zhang

Monocular depth estimation from RGB images plays a pivotal role in 3D vision. However, its accuracy can deteriorate in challenging environments such as nighttime or adverse weather conditions. While long-wave infrared cameras offer stable…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Jialei Xu , Xianming Liu , Junjun Jiang , Kui Jiang , Rui Li , Kai Cheng , Xiangyang Ji

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…

Computer Vision and Pattern Recognition · Computer Science 2021-07-12 Pradipta Sasmal , Avinash Paul , M. K. Bhuyan , Yuji Iwahori

Self-supervised monocular depth estimation approaches either ignore independently moving objects in the scene or need a separate segmentation step to identify them. We propose MonoDepthSeg to jointly estimate depth and segment moving…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Sadra Safadoust , Fatma Güney