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Reconstruction of the soft tissues in robotic surgery from endoscopic stereo videos is important for many applications such as intra-operative navigation and image-guided robotic surgery automation. Previous works on this task mainly rely…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Yuehao Wang , Yonghao Long , Siu Hin Fan , Qi Dou

The motivation of our work is to present a new visualization-guided computing paradigm to combine direct 3D volume processing and volume rendered clues for effective 3D exploration such as extracting and visualizing microstructures in-vivo.…

Graphics · Computer Science 2020-09-15 Yifan Wang , Guoli Yan , Haikuan Zhu , Sagar Buch , Ying Wang , Ewart Mark Haacke , Jing Hua , Zichun Zhong

Segmentation of blood vessels in murine cerebral 3D OCTA images is foundational for in vivo quantitative analysis of the effects of neurovascular disorders, such as stroke or Alzheimer's, on the vascular network. However, to accurately…

Image and Video Processing · Electrical Eng. & Systems 2024-03-13 Bastian Wittmann , Lukas Glandorf , Johannes C. Paetzold , Tamaz Amiranashvili , Thomas Wälchli , Daniel Razansky , Bjoern Menze

Personalized 3D vascular models can aid in a range of diagnostic, prognostic, and treatment-planning tasks relevant to cardiovascular disease management. Deep learning provides a means to obtain such models automatically from image data.…

Image and Video Processing · Electrical Eng. & Systems 2024-08-20 Patryk Rygiel , Dieuwertje Alblas , Christoph Brune , Kak Khee Yeung , Jelmer M. Wolterink

In modern medical diagnostics, magnetic resonance imaging (MRI) is an important technique that provides detailed insights into anatomical structures. In this paper, we present a comprehensive methodology focusing on streamlining the…

Image and Video Processing · Electrical Eng. & Systems 2024-04-25 Siddharth Jha , Zichen Gui , Benjamin Delbos , Richard Moreau , Arnaud Leleve , Irene Cheng

Robot-guided catheter insertion has the potential to deliver urgent medical care in situations where medical personnel are unavailable. However, this technique requires accurate and reliable segmentation of anatomical landmarks in the body.…

Image and Video Processing · Electrical Eng. & Systems 2023-01-19 Cecilia Morales , Jason Yao , Tejas Rane , Robert Edman , Howie Choset , Artur Dubrawski

We propose an approach to reconstruct dense three-dimensional (3D) model of tissue surface from stereo optical videos in real-time, the basic idea of which is to first extract 3D information from video frames by using stereo matching, and…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Haoyin Zhou , Jagadeesan Jayender

Existing methods to reconstruct vascular structures from a computed tomography (CT) angiogram rely on injection of intravenous contrast to enhance the radio-density within the vessel lumen. However, pathological changes can be present in…

Image and Video Processing · Electrical Eng. & Systems 2020-02-11 Anirudh Chandrashekar , Ashok Handa , Natesh Shivakumar , Pierfrancesco Lapolla , Vicente Grau , Regent Lee

The field of augmented reality (AR) has undergone substantial growth, finding diverse applications in the medical industry. This paper delves into various techniques employed in medical surgeries, scrutinizing factors such as cost,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Tandin Dorji , Pakinee Aimmanee , Vich Yindeedej

Mesh reconstruction of the cardiac anatomy from medical images is useful for shape and motion measurements and biophysics simulations to facilitate the assessment of cardiac function and health. However, 3D medical images are often acquired…

Image and Video Processing · Electrical Eng. & Systems 2024-10-22 Yihao Luo , Dario Sesia , Fanwen Wang , Yinzhe Wu , Wenhao Ding , Jiahao Huang , Fadong Shi , Anoop Shah , Amit Kaural , Jamil Mayet , Guang Yang , ChoonHwai Yap

Recently, Artificial Intelligence (AI)-based algorithms have revolutionized the medical image segmentation processes. Thus, the precise segmentation of organs and their lesions may contribute to an efficient diagnostics process and a more…

Neurons and Cognition · Quantitative Biology 2024-03-21 Zofia Rudnicka , Janusz Szczepanski , Agnieszka Pregowska

A method is presented for the registration of MRA and 4D Flow images, with the goal of calculating blood flow properties using both modalities simultaneously. In particular, the method produces an alignment of segmentations of vessel…

Quantitative Methods · Quantitative Biology 2025-04-28 Dan Lior , Craig G. Rusin , Justin Weigand , Kristina V. Montez , Yimo Wang , Silvana Molossi , Daniel J. Penny , Charles Puelz

Segmenting 3D blood vessels is a critical yet challenging task in medical image analysis. This is due to significant imaging modality-specific variations in artifacts, vascular patterns and scales, signal-to-noise ratios, and background…

Image and Video Processing · Electrical Eng. & Systems 2025-03-18 Bastian Wittmann , Yannick Wattenberg , Tamaz Amiranashvili , Suprosanna Shit , Bjoern Menze

This work introduces a novel Augmented Reality (AR) approach to visualize material data alongside real objects in order to facilitate detailed material analyses based on spatial non-destructive testing (NDT) data as generated in X-ray…

Human-Computer Interaction · Computer Science 2024-04-22 Alexander Gall , Anja Heim , Patrick Weinberger , Bernhard Fröhler , Johann Kastner , Christoph Heinzl

The article presents a general concept of the organization of pseudo three dimension visualization of graphics and video content for three dimension visualization systems. The steps of algorithms for solving the problem of synthesis of…

Graphics · Computer Science 2017-02-07 Aladdein M. Amro , S. A. Zori , Anas M. Al-Oraiqat

Segmenting the retinal vasculature entails a trade-off between how much of the overall vascular structure we identify vs. how precisely we segment individual vessels. In particular, state-of-the-art methods tend to under-segment faint…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Aashis Khanal , Rolando Estrada

Arthroscopy is a minimally invasive surgical procedure used to diagnose and treat joint problems. The clinical workflow of arthroscopy typically involves inserting an arthroscope into the joint through a small incision, during which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Hongchao Shu , Mingxu Liu , Lalithkumar Seenivasan , Suxi Gu , Ping-Cheng Ku , Jonathan Knopf , Russell Taylor , Mathias Unberath

In this work, we utilize image segmentation to visually identify blood vessels in retinal examination images. This process is typically carried out manually. However, we can employ heuristic methods and machine learning to automate or at…

Image and Video Processing · Electrical Eng. & Systems 2023-09-01 João Henrique Pereira Machado , Gilson Adamczuk Oliveira , Érick Oliveira Rodrigues

Reconstructing 3D coronary arteries is important for coronary artery disease diagnosis, treatment planning and operation navigation. Traditional reconstruction techniques often require many projections, while reconstruction from sparse-view…

Image and Video Processing · Electrical Eng. & Systems 2024-10-02 Xueming Fu , Yingtai Li , Fenghe Tang , Jun Li , Mingyue Zhao , Gao-Jun Teng , S. Kevin Zhou

An accurate planar visualization (curved planar reformation - CPR) of intracranial arteries is mandatory for an improved luminal and mural assessment especially in low resolution Magnetic Resonance Imaging (MRI) data sets acquired in…