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Surgical robotics holds much promise for improving patient safety and clinician experience in the Operating Room (OR). However, it also comes with new challenges, requiring strong team coordination and effective OR management. Automatic…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Idris Hamoud , Muhammad Abdullah Jamal , Vinkle Srivastav , Didier Mutter , Nicolas Padoy , Omid Mohareri

Real-time computational speed and a high degree of precision are requirements for computer-assisted interventions. Applying a segmentation network to a medical video processing task can introduce significant inter-frame prediction noise.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Robert Mendel , Tobias Rueckert , Dirk Wilhelm , Daniel Rueckert , Christoph Palm

The analysis of electrical impulse phenomena in cardiac muscle tissue is important for the diagnosis of heart rhythm disorders and other cardiac pathophysiology. Cardiac mapping techniques acquire local temporal measurements and combine…

Medical Physics · Physics 2022-03-21 Jan Lebert , Namita Ravi , Flavio Fenton , Jan Christoph

Video diffusion models lack explicit geometric supervision during training, leading to inconsistency artifacts such as object deformation, spatial drift, and depth violations in generated videos. To address this limitation, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Tengjiao Yin , Jinglei Shi , Heng Guo , Xi Wang

This paper shows that motion vectors representing the true motion of an object in a scene can be exploited to improve the encoding process of computer generated video sequences. Therefore, a set of sequences is presented for which the true…

Image and Video Processing · Electrical Eng. & Systems 2023-09-14 Christian Herglotz , David Müller , Andreas Weinlich , Frank Bauer , Michael Ortner , Marc Stamminger , André Kaup

Video Motion Magnification (VMM) aims to break the resolution limit of human visual perception capability and reveal the imperceptible minor motion that contains valuable information in the macroscopic domain. However, challenges arise in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Fei Wang , Dan Guo , Kun Li , Meng Wang

Video decomposition is very important to extract moving foreground objects from complex backgrounds in computer vision, machine learning, and medical imaging, e.g., extracting moving contrast-filled vessels from the complex and noisy…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Binjie Qin , Haohao Mao , Ruipeng Zhang , Yueqi Zhu , Song Ding , Xu Chen

The objective of this paper is a model that is able to discover, track and segment multiple moving objects in a video. We make four contributions: First, we introduce an object-centric segmentation model with a depth-ordered layer…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Junyu Xie , Weidi Xie , Andrew Zisserman

In interventional radiology, short video sequences of vein structure in motion are captured in order to help medical personnel identify vascular issues or plan intervention. Semantic segmentation can greatly improve the usefulness of these…

Computer Vision and Pattern Recognition · Computer Science 2018-08-06 Athanasios Vlontzos , Krystian Mikolajczyk

In this work, we investigate laparoscopic camera motion automation through imitation learning from retrospective videos of laparoscopic interventions. A novel method is introduced that learns to augment a surgeon's behavior in image space…

Image and Video Processing · Electrical Eng. & Systems 2023-10-06 Martin Huber , Sebastien Ourselin , Christos Bergeles , Tom Vercauteren

The goal of this paper is to discover, segment, and track independently moving objects in complex visual scenes. Previous approaches have explored the use of optical flow for motion segmentation, leading to imperfect predictions due to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Junyu Xie , Weidi Xie , Andrew Zisserman

Video Motion Magnification (VMM) amplifies subtle macroscopic motions to a perceptible level. Recently, existing mainstream Eulerian approaches address amplification-induced noise via decoupling representation learning such as texture,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Xuedeng Liu , Jiabao Guo , Zheng Zhang , Fei Wang , Zhi Liu , Dan Guo

During construction, continuous monitoring of underground tunnels can mitigate potential hazards and facilitate an in-depth understanding of the ground-tunnel interaction behavior. Traditional vision-based monitoring can directly capture an…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Kecheng Chen , Hiroshi Kogi , Kenichi Soga

Optical-resolution photoacoustic microscopy has been validated as a high-resolution and high-sensitivity imaging modality for angiographic studies in the past decades. Quantitative vascular analysis reveals critical information of…

Medical Physics · Physics 2022-06-02 Dong Zhang , Ran Li , Xin Lou , Jianwen Luo

Recent advances in deep learning have markedly improved the quality of visual-attention modelling. In this work we apply these advances to video compression. We propose a compression method that uses a saliency model to adaptively compress…

Computer Vision and Pattern Recognition · Computer Science 2019-07-25 Vitaliy Lyudvichenko , Mikhail Erofeev , Alexander Ploshkin , Dmitriy Vatolin

Motion Magnification (MM) is a collection of relative recent techniques within the realm of Image Processing. The main motivation of introducing these techniques in to support the human visual system to capture relevant displacements of an…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Nadaniela Egidi , Josephin Giacomini , Paolo Leonesi , Pierluigi Maponi , Federico Mearelli , Edin Trebovic

Video processing solutions for motion analysis are key tasks in many computer vision applications, ranging from human activity recognition to object detection. In particular, speed estimation algorithms may be relevant in contexts such as…

Image and Video Processing · Electrical Eng. & Systems 2022-11-29 Veronica Mattioli , Davide Alinovi , Riccardo Raheli

Background and aim: Image registration and alignment are the main limitations of augmented reality-based knee replacement surgery. This research aims to decrease the registration error, eliminate outcomes that are trapped in local minima to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Nitish Maharjan , Abeer Alsadoon , P. W. C. Prasad , Salma Abdullah , Tarik A. Rashid

Patient monitoring in intensive care units, although assisted by biosensors, needs continuous supervision of staff. To reduce the burden on staff members, IT infrastructures are built to record monitoring data and develop clinical decision…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Raphael Emberger , Jens Michael Boss , Daniel Baumann , Marko Seric , Shufan Huo , Lukas Tuggener , Emanuela Keller , Thilo Stadelmann

Recorded videos from surgeries have become an increasingly important information source for the field of medical endoscopy, since the recorded footage shows every single detail of the surgery. However, while video recording is…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Sabrina Kletz , Klaus Schoeffmann , Jenny Benois-Pineau , Heinrich Husslein