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Pre-trained Vision-Language Models (VLMs), such as CLIP, have shown enhanced performance across a range of tasks that involve the integration of visual and linguistic modalities. When CLIP is used for depth estimation tasks, the patches,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Xueting Hu , Ce Zhang , Yi Zhang , Bowen Hai , Ke Yu , Zhihai He

Pulmonary optical endomicroscopy (POE) is an imaging technology in real time. It allows to examine pulmonary alveoli at a microscopic level. Acquired in clinical settings, a POE image sequence can have as much as 25% of the sequence being…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Thibaud Brochet , Jerome Lapuyade-Lahorgue , Sebastien Bougleux , Mathieu Salaun , Su Ruan

Automatic analysis of colonoscopy images has been an active field of research motivated by the importance of early detection of precancerous polyps. However, detecting polyps during the live examination can be challenging due to various…

Segmenting polyps in colonoscopy images is essential for the early identification and diagnosis of colorectal cancer, a significant cause of worldwide cancer deaths. Prior deep learning based models such as Attention based variation, UNet…

Image and Video Processing · Electrical Eng. & Systems 2024-07-30 Al Mohimanul Islam , Sadia Shakiba Bhuiyan , Mysun Mashira , Md. Rayhan Ahmed , Salekul Islam , Swakkhar Shatabda

Most geometric approaches to monocular Visual Odometry (VO) provide robust pose estimates, but sparse or semi-dense depth estimates. Off late, deep methods have shown good performance in generating dense depths and VO from monocular images…

Robotics · Computer Science 2018-12-21 Vignesh Prasad , Brojeshwar Bhowmick

Monocular depth estimation and ego-motion estimation are significant tasks for scene perception and navigation in stable, accurate and efficient robot-assisted endoscopy. To tackle lighting variations and sparse textures in endoscopic…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Liangjing Shao , Linxin Bai , Chenkang Du , Xinrong Chen

The ability to understand long videos is vital for embodied intelligent agents, because their effectiveness depends on how well they can accumulate, organize, and leverage long-horizon perceptual memories. Recently, multimodal LLMs have…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Tatiana Zemskova , Solomon Andryushenko , Ilya Obrubov , Viktoriia Khoruzhaia , Ekaterina Eroshenko , Ekaterina Derevyanka , Dmitry Yudin

Pixel-wise segmentation of laparoscopic scenes is essential for computer-assisted surgery but difficult to scale due to the high cost of dense annotations. We propose depth-guided surgical scene segmentation (DepSeg), a training-free…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Kunyi Yang , Qingyu Wang , Cheng Yuan , Yutong Ban

Precise and real-time detection of gastrointestinal polyps during endoscopic procedures is crucial for early diagnosis and prevention of colorectal cancer. This work presents EndoSight AI, a deep learning architecture developed and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Daniel Cavadia

This contribution presents a deep-learning method for extracting and fusing image information acquired from different viewpoints, with the aim to produce more discriminant object features for the identification of the type of kidney stones…

Contemporary deep learning based video captioning follows encoder-decoder framework. In encoder, visual features are extracted with 2D/3D Convolutional Neural Networks (CNNs) and a transformed version of those features is passed to the…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Nayyer Aafaq , Naveed Akhtar , Wei Liu , Ajmal Mian

Self-supervised monocular depth estimation (MDE) has received increasing interests in the last few years. The objects in the scene, including the object size and relationship among different objects, are the main clues to extract the scene…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Yanbo Gao , Huibin Bai , Huasong Zhou , Xingyu Gao , Shuai Li , Xun Cai , Hui Yuan , Wei Hua , Tian Xie

Recovering the scene depth from a single image is an ill-posed problem that requires additional priors, often referred to as monocular depth cues, to disambiguate different 3D interpretations. In recent works, those priors have been learned…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Lam Huynh , Phong Nguyen-Ha , Jiri Matas , Esa Rahtu , Janne Heikkila

The ability to predict depth from a single image - using recent advances in CNNs - is of increasing interest to the vision community. Unsupervised strategies to learning are particularly appealing as they can utilize much larger and varied…

Computer Vision and Pattern Recognition · Computer Science 2017-12-04 Chaoyang Wang , Jose Miguel Buenaposada , Rui Zhu , Simon Lucey

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

Event cameras are neuromorphically inspired sensors that sparsely and asynchronously report brightness changes. Their unique characteristics of high temporal resolution, high dynamic range, and low power consumption make them well-suited…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Haitao Meng , Chonghao Zhong , Sheng Tang , Lian JunJia , Wenwei Lin , Zhenshan Bing , Yi Chang , Gang Chen , Alois Knoll

Endoscopic diagnosis is an important means for gastric polyp detection. In this paper, a panoramic image of gastroscopy is developed, which can display the inner surface of the stomach intuitively and comprehensively. Moreover, the proposed…

Image and Video Processing · Electrical Eng. & Systems 2019-10-22 Chenfei Shi , Yan Xue , Chuan Jiang , Hui Tian , Bei Liu

Convolutional Neural Networks have demonstrated superior performance on single image depth estimation in recent years. These works usually use stacked spatial pooling or strided convolution to get high-level information which are common…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Zhixiang Hao , Yu Li , Shaodi You , Feng Lu

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…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Xuezhi Xiang , Yao Wang , Lei Zhang , Denis Ombati , Himaloy Himu , Xiantong Zhen

Endoscopy is the most widely used imaging technique for the diagnosis of cancerous lesions in hollow organs. However, endoscopic images are often affected by illumination artefacts: image parts may be over- or underexposed according to the…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Axel Garcia-Vega , Ricardo Espinosa , Luis Ramirez-Guzman , Thomas Bazin , Luis Falcon-Morales , Gilberto Ochoa-Ruiz , Dominique Lamarque , Christian Daul
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