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The accurate tracking of live cells using video microscopy recordings remains a challenging task for popular state-of-the-art image processing based object tracking methods. In recent years, several existing and new applications have…

Image and Video Processing · Electrical Eng. & Systems 2025-02-03 Gergely Szabó , Paolo Bonaiuti , Andrea Ciliberto , András Horváth

In post-operative radiotherapy for prostate cancer, the cancerous prostate gland has been surgically removed, so the clinical target volume (CTV) to be irradiated encompasses the microscopic spread of tumor cells, which cannot be visualized…

Four-dimensional (4D) left ventricular myocardial velocity mapping (MVM) is a cardiac magnetic resonance (CMR) technique that allows assessment of cardiac motion in three orthogonal directions. Accurate and reproducible delineation of the…

Image and Video Processing · Electrical Eng. & Systems 2020-12-23 Yinzhe Wu , Suzan Hatipoglu , Diego Alonso-Álvarez , Peter Gatehouse , David Firmin , Jennifer Keegan , Guang Yang

Purpose: This study demonstrates a proof of concept of a method for simultaneous anatomical imaging and real-time (SMART) passive device tracking for MR-guided interventions. Methods: Phase Correlation template matching was combined with a…

Medical Physics · Physics 2019-08-29 Frank Zijlstra , Max A. Viergever , Peter R. Seevinck

A new high-precision eye-tracking method has been demonstrated recently by tracking the motion of iris features rather than by exploiting pupil edges. While the method provides high precision, it suffers from temporal drift, an inability to…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Aayush K. Chaudhary , Jeff B. Pelz

Precise segmentation and anatomical identification of the vertebrae provides the basis for automatic analysis of the spine, such as detection of vertebral compression fractures or other abnormalities. Most dedicated spine CT and MR scans as…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Nikolas Lessmann , Bram van Ginneken , Pim A. de Jong , Ivana Išgum

With the development of Deep Neural Networks (DNNs), many efforts have been made to handle medical image segmentation. Traditional methods such as nnUNet train specific segmentation models on the individual datasets. Plenty of recent…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Xiaobao Wei , Jiajun Cao , Yizhu Jin , Ming Lu , Guangyu Wang , Shanghang Zhang

Automatic segmentation of the left ventricle (LV) in late gadolinium enhanced (LGE) cardiac MR (CMR) images is difficult due to the intensity heterogeneity arising from accumulation of contrast agent in infarcted myocardium. In this paper,…

Image and Video Processing · Electrical Eng. & Systems 2022-05-24 Dong Wei , Ying Sun , Sim-Heng Ong , Ping Chai , Lynette L. Teo , Adrian F. Low

Vision-based surgical navigation has received increasing attention due to its non-invasive, cost-effective, and flexible advantages. In particular, a critical element of the vision-based navigation system is tracking surgical instruments.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Wenwu Guo , Jinlin Wu , Zhen Chen , Qingxiang Zhao , Miao Xu , Zhen Lei , Hongbin Liu

Accurate biventricular segmentation of cardiac magnetic resonance (CMR) cine images is essential for the clinical evaluation of heart function. However, compared to left ventricle (LV), right ventricle (RV) segmentation is still more…

Image and Video Processing · Electrical Eng. & Systems 2024-10-18 Yidong Zhao , Yi Zhang , Orlando Simonetti , Yuchi Han , Qian Tao

We present MedicDeepLabv3+, a convolutional neural network that is the first completely automatic method to segment cerebral hemispheres in magnetic resonance (MR) volumes of rats with lesions. MedicDeepLabv3+ improves the state-of-the-art…

Image and Video Processing · Electrical Eng. & Systems 2022-10-04 Juan Miguel Valverde , Artem Shatillo , Riccardo de Feo , Jussi Tohka

Examining locomotion has improved our basic understanding of motor control and aided in treating motor impairment. Mice and rats are premier models of human disease and increasingly the model systems of choice for basic neuroscience. High…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Omid Haji Maghsoudi , Andrew Spence

Electromagnetic tracking (EMT) is a core platform technology in the navigation and visualisation of image-guided procedures. The technology provides high tracking accuracy in non-line-of-sight environments, allowing instrument navigation in…

Signal Processing · Electrical Eng. & Systems 2018-07-31 Herman Alexander Jaeger , Stephen Hinds , Pádraig Cantillon-Murphy

The assessment of the blood volume is crucial for the management of many acute and chronic diseases. Recent studies have shown that circulating blood volume correlates with the cross-sectional area (CSA) of the internal jugular vein (IJV)…

Image and Video Processing · Electrical Eng. & Systems 2018-03-15 Ebrahim Karami , Mohamed Shehata , Peter McGuire , Andrew Smith

We introduce a speech-guided embodied agent framework for video-guided skull base surgery that dynamically executes perception and image-guidance tasks in response to surgeon queries. The proposed system integrates natural language…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Jecia Z. Y. Mao , Francis X. Creighton , Russell H. Taylor , Manish Sahu

Automated segmentation of left ventricular cavity (LVC) in temporal cardiac image sequences (multiple time points) is a fundamental requirement for quantitative analysis of its structural and functional changes. Deep learning based methods…

Image and Video Processing · Electrical Eng. & Systems 2024-12-18 Yuyu Guo , Lei Bi , Zhengbin Zhu , David Dagan Feng , Ruiyan Zhang , Qian Wang , Jinman Kim

Real-time tool segmentation is an essential component in computer-assisted surgical systems. We propose a novel real-time automatic method based on Fully Convolutional Networks (FCN) and optical flow tracking. Our method exploits the…

Background: Conventional cardiovascular magnetic resonance (CMR) in paediatric and congenital heart disease uses 2D, breath-hold, balanced steady state free precession (bSSFP) cine imaging for assessment of function and cardiac-gated,…

Image and Video Processing · Electrical Eng. & Systems 2025-07-01 Mark Wrobel , Michele Pascale , Tina Yao , Ruaraidh Campbell , Elena Milano , Michael Quail , Jennifer Steeden , Vivek Muthurangu

Accurate segmentation of lesion regions is crucial for clinical diagnosis and treatment across various diseases. While deep convolutional networks have achieved satisfactory results in medical image segmentation, they face challenges such…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Yulin Chen , Guoheng Huang , Kai Huang , Zijin Lin , Guo Zhong , Shenghong Luo , Jie Deng , Jian Zhou

We present a video compressive sensing framework, termed kt-CSLDS, to accelerate the image acquisition process of dynamic magnetic resonance imaging (MRI). We are inspired by a state-of-the-art model for video compressive sensing that…

Computer Vision and Pattern Recognition · Computer Science 2014-02-04 Jianing V. Shi , Wotao Yin , Aswin C. Sankaranarayanan , Richard G. Baraniuk