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Despite recent advances in facial recognition, there remains a fundamental issue concerning degradations in performance due to substantial perspective (pose) differences between enrollment and query (probe) imagery. Therefore, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 J. Brennan Peace , Shuowen Hu , Benjamin S. Riggan

In perioperative care, precise in-bed 3D patient pose and shape estimation (PSE) can be vital in optimizing patient positioning in preoperative planning, enabling accurate overlay of medical images for augmented reality-based surgical…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Mingxiao Tu , Hoijoon Jung , Alireza Moghadam , Jineel Raythatha , Lachlan Allan , Jeremy Hsu , Andre Kyme , Jinman Kim

Recent 3D CT vision-language models align volumes with reports via contrastive pretraining, but typically rely on limited public data and provide only coarse global supervision. We train a 3D CT vision-language model on 98k report-volume…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Simon Ging , Philipp Arnold , Sebastian Walter , Hani Alnahas , Hannah Bast , Elmar Kotter , Jiancheng Yang , Behzad Bozorgtabar , Thomas Brox

Reconstructing a 3D surface from colonoscopy video is challenging due to illumination and reflectivity variation in the video frame that can cause defective shape predictions. Aiming to overcome this challenge, we utilize the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Shuxian Wang , Yubo Zhang , Sarah K. McGill , Julian G. Rosenman , Jan-Michael Frahm , Soumyadip Sengupta , Stephen M. Pizer

The performance of vision models in medical imaging is often hindered by the prevailing paradigm of fine-tuning backbones pre-trained on out-of-domain natural images. To address this fundamental domain gap, we propose MedDChest, a new…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Mahmoud Soliman , Islam Osman , Mohamed S. Shehata , Rasika Rajapakshe

Autonomy in robot-assisted minimally invasive surgery has the potential to reduce surgeon cognitive and task load, thereby increasing procedural efficiency. However, implementing accurate autonomous control can be difficult due to poor…

Robotics · Computer Science 2026-03-18 Shuyuan Yang , Zonghe Chua

3D human pose estimation in multi-view operating room (OR) videos is a relevant asset for person tracking and action recognition. However, the surgical environment makes it challenging to find poses due to sterile clothing, frequent…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Beerend G. A. Gerats , Jelmer M. Wolterink , Ivo A. M. J. Broeders

Purpose: We present a virtual model to optimize point of entry (POE) in lung biopsy planning systems. Our model allows to compute the quality of a biopsy sample taken from potential POE, taking into account the margin of error that arises…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Debora Gil , Pere Lloret , Marta Diez-Ferrer , Carles Sanchez

Recent studies have shown remarkable advances in 3D human pose estimation from monocular images, with the help of large-scale in-door 3D datasets and sophisticated network architectures. However, the generalizability to different…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Xipeng Chen , Kwan-Yee Lin , Wentao Liu , Chen Qian , Xiaogang Wang , Liang Lin

The current standard of intra-operative navigation during Fenestrated Endovascular Aortic Repair (FEVAR) calls for need of 3D alignments between inserted devices and aortic branches. The navigation commonly via 2D fluoroscopic images, lacks…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Jian-Qing Zheng , Xiao-Yun Zhou , Celia Riga , Guang-Zhong Yang

Depth estimation plays a crucial role in various tasks within endoscopic surgery, including navigation, surface reconstruction, and augmented reality visualization. Despite the significant achievements of foundation models in vision tasks,…

Image and Video Processing · Electrical Eng. & Systems 2024-05-15 Beilei Cui , Mobarakol Islam , Long Bai , An Wang , Hongliang Ren

Depth and ego-motion estimations are essential for the localization and navigation of autonomous robots and autonomous driving. Recent studies make it possible to learn the per-pixel depth and ego-motion from the unlabeled monocular video.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Guangming Wang , Jiquan Zhong , Shijie Zhao , Wenhua Wu , Zhe Liu , Hesheng Wang

Robotic ultrasound (US) imaging has been seen as a promising solution to overcome the limitations of free-hand US examinations, i.e., inter-operator variability. However, the fact that robotic US systems cannot react to subject movements…

Robotics · Computer Science 2022-09-07 Zhongliang Jiang , Nehil Danis , Yuan Bi , Mingchuan Zhou , Markus Kroenke , Thomas Wendler , Nassir Navab

Vision foundation models (VFMs) are pre-trained on extensive image datasets to learn general representations for diverse types of data. These models can subsequently be fine-tuned for specific downstream tasks, significantly boosting…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Shansong Wang , Mojtaba Safari , Qiang Li , Chih-Wei Chang , Richard LJ Qiu , Justin Roper , David S. Yu , Xiaofeng Yang

Unseen object pose estimation methods often rely on CAD models or multiple reference views, making the onboarding stage costly. To simplify reference acquisition, we aim to estimate the unseen object's pose through a single unposed RGB-D…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Xingyu Liu , Gu Wang , Ruida Zhang , Chenyangguang Zhang , Federico Tombari , Xiangyang Ji

Visual place recognition methods struggle with occlusions and partial visual overlaps. We propose a novel visual place recognition approach based on overlap prediction, called VOP, shifting from traditional reliance on global image…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Tong Wei , Philipp Lindenberger , Jiri Matas , Daniel Barath

Accurate endoscope pose estimation and 3D tissue surface reconstruction significantly enhances monocular minimally invasive surgical procedures by enabling accurate navigation and improved spatial awareness. However, monocular endoscope…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Muzammil Khan , Enzo Kerkhof , Matteo Fusaglia , Koert Kuhlmann , Theo Ruers , Françoise J. Siepel

Screening colonoscopy is an important clinical application for several 3D computer vision techniques, including depth estimation, surface reconstruction, and missing region detection. However, the development, evaluation, and comparison of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Taylor L. Bobrow , Mayank Golhar , Rohan Vijayan , Venkata S. Akshintala , Juan R. Garcia , Nicholas J. Durr

Since the development of capsule endoscopcy technology, substantial progress were made in converting passive capsule endoscopes to robotic active capsule endoscopes which can be controlled by the doctor. However, robotic capsule endoscopy…

Computer Vision and Pattern Recognition · Computer Science 2018-01-01 Mehmet Turan , Yusuf Yigit Pilavci , Ipek Ganiyusufoglu , Helder Araujo , Ender Konukoglu , Metin Sitti

Computer-aided diagnosis for low-dose computed tomography (CT) based on deep learning has recently attracted attention as a first-line automatic testing tool because of its high accuracy and low radiation exposure. However, existing methods…

Image and Video Processing · Electrical Eng. & Systems 2022-06-28 Kyung-Su Kim , Seong Je Oh , Ju Hwan Lee , Myung Jin Chung