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User simulators are increasingly central to interactive information retrieval, yet the community lacks standardized evaluation tools. Simulators serve two objectives, behavioral realism (matching real user behavior) and tester reliability…

Information Retrieval · Computer Science 2026-05-01 Saber Zerhoudi

Background and Objective: Computational ultrasound imaging has become a well-established methodology in the ultrasound community. Simulations of ultrasound sequences and images allow the study of innovative techniques in terms of emission…

Medical Physics · Physics 2022-03-08 Damien Garcia

Objective: We compared six commonly used logistic regression methods for accommodating missing risk factor data from multiple heterogeneous cohorts, in which some cohorts do not collect some risk factors at all, and developed an online risk…

Computer-assisted multimodal training is an effective way of learning complex motor skills in various applications. In particular disciplines (eg. healthcare) incompetency in performing dexterous hands-on examinations (clinical palpation)…

Human-Computer Interaction · Computer Science 2020-01-17 A. Asadipour , K. Debattista , V. Patel , A. Chalmers

Public speaking is an essential skill in everyone's professional or academic career. Nevertheless, honing this skill is often tricky because training in front of a mirror does not give feedback or inspire the same anxiety as present-ing in…

Human-Computer Interaction · Computer Science 2020-10-14 Diego Monteiro , Hai-Ning Liang , Hongji Li , Yu Fu , Xian Wang

Plasma physics simulations create complex datasets for which researchers need state-of-the-art visualization tools to gain insights. These datasets are 3D in nature but are commonly depicted and analyzed using 2D idioms displayed on 2D…

Purpose: Demonstrating and assessing self-supervised machine learning fitting of the VERDICT (Vascular, Extracellular and Restricted DIffusion for Cytometry in Tumours) model for prostate. Methods: We derive a self-supervised neural network…

Image and Video Processing · Electrical Eng. & Systems 2023-09-28 Snigdha Sen , Saurabh Singh , Hayley Pye , Caroline M. Moore , Hayley Whitaker , Shonit Punwani , David Atkinson , Eleftheria Panagiotaki , Paddy J. Slator

Background: Artificial intelligence (AI) is improving the efficiency and accuracy of cancer diagnostics. The performance of pathology AI systems has been almost exclusively evaluated on European and US cohorts from large centers. For global…

Surgical simulators have been widely used in training and evaluation of physicians and surgeons. Virtual reality augmented with haptic technology has made it feasible to develop more realistic surgical simulators. In this context, we set…

Medical Physics · Physics 2022-05-19 Reza Karimzadeh , Javad Sheikh , Hamed Azarnoush , Hossein Arabi

Prostate cancer is one of the most prevalent and deadly cancers among men, motivating the development of accurate and accessible imaging technologies for early detection. Ultrasound computed tomography (USCT) reconstructs quantitative…

Dental simulators gained prevalence in recent years. Important aspects distinguishing VR hardware configurations are 3D stereoscopic rendering and visual alignment of the user's hands with the virtual tools. New dental simulators are often…

Human-Computer Interaction · Computer Science 2023-09-29 Maximilian Kaluschke , Myat Su Yin , Peter Haddawy , Siriwan Suebnukarn , Gabriel Zachmann

Background: An increasing volume of prostate biopsies and a world-wide shortage of uro-pathologists puts a strain on pathology departments. Additionally, the high intra- and inter-observer variability in grading can result in over- and…

Human-robot collaboration enables highly adaptive co-working. The variety of resulting workflows makes it difficult to measure metrics as, e.g. makespans or idle times for multiple systems and tasks in a comparable manner. This issue can be…

Robotics · Computer Science 2024-11-15 Jonathan Hümmer , Dominik Riedelbauch , Dominik Henrich

Early diagnosis of prostate cancer significantly improves a patient's 5-year survival rate. Biopsy of small prostate cancers is improved with image-guided biopsy. MRI-ultrasound fusion-guided biopsy is sensitive to smaller tumors but is…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Muhammad Imran , Brianna Nguyen , Jake Pensa , Sara M. Falzarano , Anthony E. Sisk , Muxuan Liang , John Michael DiBianco , Li-Ming Su , Yuyin Zhou , Wayne G. Brisbane , Wei Shao

Traditional medical training faces challenges like ethical concerns, safety risks, and high costs. VR technology offers a promising solution but is limited by low complexity and lack of tactile feedback. This paper presents a cost-effective…

Human-Computer Interaction · Computer Science 2024-11-11 Lim Zheng Jie , Kian Meng Yap

We introduce a Virtual Reality (VR) one-on-one tutoring system to support anatomy education. A student uses a fully immersive VR headset to explore the anatomy of the base of the human skull. A teacher guides the student by using the…

Human-Computer Interaction · Computer Science 2020-11-17 Patrick Saalfeld , Anna Schmeier , Wolfgang D'Hanis , Hermann-Josef Rothkötter , Bernhard Preim

Effective transperineal ultrasound image guidance in prostate external beam radiotherapy requires consistent alignment between probe and prostate at each session during patient set-up. Probe placement and ultrasound image inter-pretation…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Alexander Grimwood , Helen McNair , Yipeng Hu , Ester Bonmati , Dean Barratt , Emma Harris

We present a fully automated, anatomically guided deep learning pipeline for prostate cancer (PCa) risk stratification using routine MRI. The pipeline integrates three key components: an nnU-Net module for segmenting the prostate gland and…

Artificial intelligence (AI) is becoming a clinical tool for prostate pathology, but generalization across variations in sample preparation and preservation over prolonged time periods remains poorly understood. We evaluated GleasonAI, an…

With the rapid progress in virtual reality (VR) technology, the scope of VR applications has greatly expanded across various domains. However, the superiority of VR training over traditional methods and its impact on learning efficacy are…

Human-Computer Interaction · Computer Science 2023-12-19 Weichao Lin , Liang Chen , Wei Xiong , Kang Ran , Anlan Fan