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Purpose: To develop and evaluate a dynamic, image-derived patient-specific physical simulation platform for the assessment of left atrioventricular valve (LAVV) repair strategies in pediatric patients with repaired atrioventricular canal…

Segmentation of liver structures in multi-phase contrast-enhanced computed tomography (CECT) plays a crucial role in computer-aided diagnosis and treatment planning. In this study, we investigate the performance of UNet-based architectures…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Doan-Van-Anh Ly , Thanh-Hai Le , Thi-Thu-Hien Pham

Accurate liver and lesion segmentation from computed tomography (CT) images are highly demanded in clinical practice for assisting the diagnosis and assessment of hepatic tumor disease. However, automatic liver and lesion segmentation from…

Image and Video Processing · Electrical Eng. & Systems 2021-06-23 Liping Zhang , Simon Chun-Ho Yu

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

Machine learning and computer vision techniques have influenced many fields including the biomedical one. The aim of this paper is to investigate the important concept of schedulers in manipulating the learning rate (LR), for the liver…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Ayman Al-Kababji , Faycal Bensaali , Sarada Prasad Dakua

Intraoperative ultrasound images are inherently challenging to interpret in liver surgery due to the limited field of view and complex anatomical structures. Bridging the gap between preoperative and intraoperative data is crucial for…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Karl-Philippe Beaudet , Sidaty El Hadramy , Philippe C Cattin , Juan Verde , Stéphane Cotin

Statistical image reconstruction (SIR) methods are studied extensively for X-ray computed tomography (CT) due to the potential of acquiring CT scans with reduced X-ray dose while maintaining image quality. However, the longer reconstruction…

Optimization and Control · Mathematics 2019-06-14 Hung Nien , Jeffrey A. Fessler

Geometric uncertainty can degrade treatment quality in radiation therapy. While margins and robust optimization mitigate these effects, they provide only implicit control over clinical goal fulfillment probability. We therefore develop a…

Medical Physics · Physics 2026-01-14 Albin Fredriksson , Erik Engwall , Jenneke de Jong , Johan Sundström

Ultrasound (US) is the most commonly used liver imaging modality worldwide. Due to its low cost, it is increasingly used in the follow-up of cancer patients with metastases localized in the liver. In this contribution, we present the…

Computer Vision and Pattern Recognition · Computer Science 2017-04-19 Jan Egger , Dieter Schmalstieg , Xiaojun Chen , Wolfram G. Zoller , Alexander Hann

Building an online 3D LiDAR mapping system that produces a detailed surface reconstruction while remaining computationally efficient is a challenging task. In this paper, we present PlanarMesh, a novel incremental, mesh-based LiDAR…

Robotics · Computer Science 2025-10-16 Jiahao Wang , Nived Chebrolu , Yifu Tao , Lintong Zhang , Ayoung Kim , Maurice Fallon

Precise segmentation of the liver is critical for computer-aided diagnosis such as pre-evaluation of the liver for living donor-based transplantation surgery. This task is challenging due to the weak boundaries of organs, countless…

Image and Video Processing · Electrical Eng. & Systems 2021-09-06 Supriti Mulay , Deepika G , Jeevakala S , Keerthi Ram , Mohanasankar Sivaprakasam

Detection of tumors in metastatic colorectal cancer (mCRC) plays an essential role in the early diagnosis and treatment of liver cancer. Deep learning models backboned by fully convolutional neural networks (FCNNs) have become the dominant…

Image and Video Processing · Electrical Eng. & Systems 2023-09-01 Ramtin Mojtahedi , Mohammad Hamghalam , Richard K. G. Do , Amber L. Simpson

The recent proposal of a new alignment solution for X-ray tomography, Virtual alignment method (VAM) allowed a more accurate method to remove the possible errors that limit the resolution and clarity of the reconstructed image. In the field…

Image and Video Processing · Electrical Eng. & Systems 2020-10-28 Kyungtaek Jun , Seokhwan Yoon , Jae-Hong Lim , SeungJoon Noh

Multi-phase computed tomography (CT) images provide crucial complementary information for accurate liver tumor segmentation (LiTS). State-of-the-art multi-phase LiTS methods usually fused cross-phase features through phase-weighted…

Image and Video Processing · Electrical Eng. & Systems 2021-08-06 Yue Zhang , Chengtao Peng , Liying Peng , Huimin Huang , Ruofeng Tong , Lanfen Lin , Jingsong Li , Yen-Wei Chen , Qingqing Chen , Hongjie Hu , Zhiyi Peng

Automatic extraction of liver and tumor from CT volumes is a challenging task due to their heterogeneous and diffusive shapes. Recently, 2D and 3D deep convolutional neural networks have become popular in medical image segmentation tasks…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Qiangguo Jin , Zhaopeng Meng , Changming Sun , Leyi Wei , Ran Su

Surgical automation has the potential to enable increased precision and reduce the per-patient workload of overburdened human surgeons. An effective automation system must be able to sense and map subsurface anatomy, such as tumors,…

Robotics · Computer Science 2021-10-13 Brian Y. Cho , Tucker Hermans , Alan Kuntz

We propose a computationally efficient architecture that learns to segment lesions from CT images of the liver. The proposed architecture uses bilinear interpolation with sub-pixel convolution at the last layer to upscale the course feature…

Computer Vision and Pattern Recognition · Computer Science 2018-05-24 Ram Krishna Pandey , Aswin Vasan , A G Ramakrishnan

In this paper we present a novel method for the correction of motion artifacts that are present in fetal Magnetic Resonance Imaging (MRI) scans of the whole uterus. Contrary to current slice-to-volume registration (SVR) methods, requiring…

Automatic segmentation of liver lesions is a fundamental requirement towards the creation of computer aided diagnosis (CAD) and decision support systems (CDS). Traditional segmentation approaches depend heavily upon hand-crafted features…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Lei Bi , Jinman Kim , Ashnil Kumar , Dagan Feng

Automatic segmentation of liver and its tumors is an essential step for extracting quantitative imaging biomarkers for accurate tumor detection, diagnosis, prognosis and assessment of tumor response to treatment. MICCAI 2017 Liver Tumor…

Computer Vision and Pattern Recognition · Computer Science 2017-10-13 Yading Yuan