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Related papers: Colonoscopy 3D Video Dataset with Paired Depth fro…

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Dense and accurate 3D mapping from a monocular sequence is a key technology for several applications and still an open research area. This paper leverages recent results on single-view CNN-based depth estimation and fuses them with…

Computer Vision and Pattern Recognition · Computer Science 2017-06-28 José M. Fácil , Alejo Concha , Luis Montesano , Javier Civera

Colonoscopy is a standard imaging tool for visualizing the entire gastrointestinal (GI) tract of patients to capture lesion areas. However, it takes the clinicians excessive time to review a large number of images extracted from colonoscopy…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Kaiwei Che , Chengwei Ye , Yibing Yao , Nachuan Ma , Ruo Zhang , Jiankun Wang , Max Q. -H. Meng

Multi-modal models require aligned, shared embedding spaces. However, common CLIP-based approaches need large amounts of samples and do not natively support 3D or tabular data, both of which are crucial in the medical domain. To address…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Jakob Krogh Petersen , Valdemar Licht , Mads Nielsen , Asbjørn Munk

Face registration deforms a template mesh to closely fit a 3D face scan, the quality of which commonly degrades in non-skin regions (e.g., hair, beard, accessories), because the optimized template-to-scan distance pulls the template mesh…

Automatic blood vessel extraction from 3D medical images is crucial for vascular disease diagnoses. Existing methods based on convolutional neural networks (CNNs) may suffer from discontinuities of extracted vessels when segmenting such…

Image and Video Processing · Electrical Eng. & Systems 2020-12-15 Jiafa He , Chengwei Pan , Can Yang , Ming Zhang , Yang Wang , Xiaowei Zhou , Yizhou Yu

Conventional computed tomography (CT) lacks the ability to capture dynamic, weight-bearing joint motion. Functional evaluation, particularly after surgical intervention, requires four-dimensional (4D) imaging, but current methods are…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Hao Tang , Rongxi Yi , Lei Li , Kaiyi Cao , Jiapeng Zhao , Yihan Xiao , Minghai Shi , Peng Yuan , Yan Xi , Hui Tang , Wei Li , Zhan Wu , Yixin Zhou

In medical-data driven learning, 3D convolutional neural networks (CNNs) have started to show superior performance to 2D CNNs in numerous deep learning tasks, proving the added value of 3D spatial information in feature representation.…

Image and Video Processing · Electrical Eng. & Systems 2024-01-24 Xin Wang , Ruisheng Su , Weiyi Xie , Wenjin Wang , Yi Xu , Ritse Mann , Jungong Han , Tao Tan

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…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Sijia Du , Chengfeng Zhou , Suncheng Xiang , Jianwei Xu , Dahong Qian

Localizing objects in 3D space and understanding their associated 3D properties is challenging given only monocular RGB images. The situation is compounded by the loss of depth information during perspective projection. We present Center3D,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Yunlei Tang , Sebastian Dorn , Chiragkumar Savani

While emerging 3D medical foundation models are envisioned as versatile tools with offer general-purpose capabilities, their validation remains largely confined to regional and structural imaging, leaving a significant modality discrepancy…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Yichi Zhang , Feiyang Xiao , Le Xue , Wenbo Zhang , Gang Feng , Chenguang Zheng , Yuan Qi , Yuan Cheng , Zixin Hu

We presented a 2D/3D MV image registration method based on a Convolutional Neural Network. Most of the traditional image registration method intensity-based, which use optimization algorithms to maximize the similarity between to images.…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Hector N. B. Pinheiro , Tsang Ing Ren , Stefan Scheib , Armel Rosselet , Stefan Thieme-Marti

Many applications including object reconstruction, robot guidance, and scene mapping require the registration of multiple views from a scene to generate a complete geometric and appearance model of it. In real situations, transformations…

Computer Vision and Pattern Recognition · Computer Science 2017-08-07 Marcelo Saval-Calvo , Jorge Azorin-Lopez , Andres Fuster-Guillo , Higinio Mora-Mora

Image guidance in minimally invasive interventions is usually provided using live 2D X-ray imaging. To enhance the information available during the intervention, the preoperative volume can be overlaid over the 2D images using 2D/3D image…

Computer Vision and Pattern Recognition · Computer Science 2021-07-22 Srikrishna Jaganathan , Jian Wang , Anja Borsdorf , Andreas Maier

While three-dimensional imaging is essential for clinical diagnosis, its high cost and long wait times have motivated the use of image-to-3D foundation models to infer volume from two-dimensional modalities. However, because these models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yan Luo , Advaith Ravishankar , Serena Liu , Yutong Yang , Mengyu Wang

Purpose: The goal of this work is to use multi-camera video to classify open surgery tools as well as identify which tool is held in each hand. Multi-camera systems help prevent occlusions in open surgery video data. Furthermore, combining…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Kristina Basiev , Adam Goldbraikh , Carla M Pugh , Shlomi Laufer

Building a large-scale training dataset is an essential problem in the development of medical image recognition systems. Visual grounding techniques, which automatically associate objects in images with corresponding descriptions, can…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Akimichi Ichinose , Taro Hatsutani , Keigo Nakamura , Yoshiro Kitamura , Satoshi Iizuka , Edgar Simo-Serra , Shoji Kido , Noriyuki Tomiyama

Registration of longitudinal optical coherence tomography (OCT) images assists disease monitoring and is essential in image fusion applications. Mouse retinal OCT images are often collected for longitudinal study of eye disease models such…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Xin Tian , Nantheera Anantrasirichai , Lindsay Nicholson , Alin Achim

3D scan registration is a classical, yet a highly useful problem in the context of 3D sensors such as Kinect and Velodyne. While there are several existing methods, the techniques are usually incremental where adjacent scans are registered…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Pedro Miraldo , Surojit Saha , Srikumar Ramalingam

Recently, deep convolutional neural networks have achieved great success for medical image segmentation. However, unlike segmentation of natural images, most medical images such as MRI and CT are volumetric data. In order to make full use…

Image and Video Processing · Electrical Eng. & Systems 2022-02-08 Yichi Zhang , Qingcheng Liao , Le Ding , Jicong Zhang

Holoscopic 3D imaging is a promising technique for capturing full colour spatial 3D images using a single aperture holoscopic 3D camera. It mimics fly's eye technique with a microlens array, which views the scene at a slightly different…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Bodor Almatrouk , Mohammad Rafiq Swash , Abdul Hamid Sadka