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Non-rigid registration is essential for Augmented Reality guided laparoscopic liver surgery by fusing preoperative information, such as tumor location and vascular structures, into the limited intraoperative view, thereby enhancing surgical…

As robots for minimally invasive surgery (MIS) gradually become more accessible and modular, we believe there is a great opportunity to rethink and expand the visualization and control paradigms that have characterized surgical…

We introduce a novel frame-interpolation-based method for slice imputation to improve segmentation accuracy for anisotropic 3D medical images, in which the number of slices and their corresponding segmentation labels can be increased…

Image and Video Processing · Electrical Eng. & Systems 2022-03-22 Zhaotao Wu , Jia Wei , Jiabing Wang , Rui Li

Endovascular guidewire manipulation is essential for minimally-invasive clinical applications (Percutaneous Coronary Intervention (PCI), Mechanical thrombectomy techniques for acute ischemic stroke (AIS), or Transjugular intrahepatic…

Robotics · Computer Science 2023-04-20 Young-Ho Kim , Èric Lluch , Gulsun Mehmet , Florin C. Ghesu , Ankur Kapoor

Video streams are utilised to guide minimally-invasive surgery and diagnostic procedures in a wide range of procedures, and many computer assisted techniques have been developed to automatically analyse them. These approaches can provide…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Rema Daher , Francisco Vasconcelos , Danail Stoyanov

We present an unsupervised approach for learning to estimate three dimensional (3D) facial structure from a single image while also predicting 3D viewpoint transformations that match a desired pose and facial geometry. We achieve this by…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Joel Ruben Antony Moniz , Christopher Beckham , Simon Rajotte , Sina Honari , Christopher Pal

Purpose: This proof-of-concept study evaluates feasibility and accuracy of an ultrasound-based navigation system for open liver surgery. Unlike most conventional systems that rely on registration to preoperative imaging, the proposed system…

Image and Video Processing · Electrical Eng. & Systems 2025-11-03 Karin Olthof , Theo Ruers , Tiziano Natali , Lisanne Venix , Jasper Smit , Anne den Hartor , Niels Kok , Matteo Fusaglia , Koert Kuhlmann

Endoscopic surgery relies on intraoperative video, making image quality a decisive factor for surgical safety and efficacy. Yet, endoscopic videos are often degraded by uneven illumination, tissue scattering, occlusions, and motion blur,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Handing Xu , Zhenguo Nie , Tairan Peng , Huimin Pan , Xin-Jun Liu

Objective: The objective of this work is an attempt towards non-contact freehand 3D ultrasound imaging with minimal complexity added to the existing point of care ultrasound (POCUS) systems. Methods: This study proposes a novel approach of…

Image and Video Processing · Electrical Eng. & Systems 2023-10-09 Antony Jerald , A. N. Madhavanunni , Gayathri Malamal , Mahesh Raveendranatha Panicker

We present a novel framework to reconstruct complete 3D human shapes from a given target image by leveraging monocular unconstrained images. The objective of this work is to reproduce high-quality details in regions of the reconstructed…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Marco Pesavento , Marco Volino , Adrian Hilton

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

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

Analysis and visualization of 3D microscopy images pose challenges due to anisotropic axial resolution, demanding volumetric super-resolution along the axial direction. While training a learning-based 3D super-resolution model seems to be a…

Image and Video Processing · Electrical Eng. & Systems 2024-08-19 Kyungryun Lee , Won-Ki Jeong

We aim to track the endoscope location inside the surgical scene and provide 3D reconstruction, in real-time, from the sole input of the image sequence captured by the monocular endoscope. This information offers new possibilities for…

Computer Vision and Pattern Recognition · Computer Science 2016-08-30 Nader Mahmoud , Iñigo Cirauqui , Alexandre Hostettler , Christophe Doignon , Luc Soler , Jacques Marescaux , J. M. M. Montiel

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

In minimally invasive surgery, clinical decisions depend on real-time visual interpretation, yet intraoperative perception varies substantially across surgeons and procedures. This variability limits consistent assessment, training, and the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Kanggil Park , Yongjun Jeon , Soyoung Lim , Seonmin Park , Jongmin Shin , Jung Yong Kim , Sehyeon An , Jinsoo Rhu , Jongman Kim , Gyu-Seong Choi , Namkee Oh , Kyu-Hwan Jung

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…

Image and Video Processing · Electrical Eng. & Systems 2025-02-07 Dawei Lu , Deqiang Xiao , Danni Ai , Jingfan Fan , Tianyu Fu , Yucong Lin , Hong Song , Xujiong Ye , Lei Zhang , Jian Yang

Deep Neural Networks are increasingly used in video frame interpolation tasks such as frame rate changes as well as generating fake face videos. Our project aims to apply recent advances in Deep video interpolation to increase the temporal…

Image and Video Processing · Electrical Eng. & Systems 2020-05-15 Rohit Saha , Abenezer Teklemariam , Ian Hsu , Alan M. Moses

Monocular depth estimation using Convolutional Neural Networks (CNNs) has shown impressive performance in outdoor driving scenes. However, self-supervised learning of indoor depth from monocular sequences is quite challenging for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Chao Fan , Zhenyu Yin , Yue Li , Feiqing Zhang

Orthognathic surgery is a crucial intervention for correcting dentofacial skeletal deformities to enhance occlusal functionality and facial aesthetics. Accurate postoperative facial appearance prediction remains challenging due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Jiawen Yang , Yihui Cao , Xuanyu Tian , Yuyao Zhang , Hongjiang Wei