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Spectral molecular imaging is a new imaging technique able to discriminate and quantify different components of tissue simultaneously at high spatial and high energy resolution. Our MARS scanner is an x-ray based small animal CT system…

Magnetic resonance imaging (MRI) enables non-invasive, high-resolution analysis of muscle structures. However, automated segmentation remains limited by high computational costs, reliance on large training datasets, and reduced accuracy in…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Mengyuan Liu , Jeongkyu Lee

Lesion volume is an important predictor for prognosis in breast cancer. We make a step towards a more accurate lesion volume measurement on digital mammograms by developing a model that allows to estimate lesion volumes on processed…

This paper presents an end-to-end solution for MRI thigh quadriceps segmentation. This is the first attempt that deep learning methods are used for the MRI thigh segmentation task. We use the state-of-the-art Fully Convolutional Networks…

计算机视觉与模式识别 · 计算机科学 2018-08-10 Ezak Ahmad , Manu Goyal , Jamie S. McPhee , Hans Degens , Moi Hoon Yap

The diagnosis and segmentation of tumors using any medical diagnostic tool can be challenging due to the varying nature of this pathology. Magnetic Reso- nance Imaging (MRI) is an established diagnostic tool for various diseases and…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Tanvi Gupta , Pranay Manocha , Tapan K. Gandhi , RK Gupta , BK Panigrahi

Background: Accurate segmentation of diffuse large B-cell lymphoma (DLBCL) lesions is challenging due to their complex patterns in medical imaging. Objective: This study aims to develop a precise segmentation method for DLBCL using…

图像与视频处理 · 电气工程与系统科学 2024-09-10 Huan Huang , Liheng Qiu , Shenmiao Yang , Longxi Li , Jiaofen Nan , Yanting Li , Chuang Han , Fubao Zhu , Chen Zhao , Weihua Zhou

We introduce a novel method that combines differential geometry, kernels smoothing, and spectral analysis to quantify facial muscle activity from widely accessible video recordings, such as those captured on personal smartphones. Our…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Juni Kim , Zhikang Dong , Pawel Polak

Currently Mammography is a most effective imaging modality used by radiologists for the screening of breast cancer. Finding an accurate, robust and efficient breast region segmentation technique still remains a challenging problem in…

计算机视觉与模式识别 · 计算机科学 2013-07-30 R. Subash Chandra Boss , K. Thangavel , D. Arul Pon Daniel

Spine injections are commonly performed in several clinical procedures. The localization of the target vertebral level (i.e. the position of a vertebra in a spine) is typically done by back palpation or under X-ray guidance, yielding either…

图像与视频处理 · 电气工程与系统科学 2020-02-27 Maria Tirindelli , Maria Victorova , Javier Esteban , Seong Tae Kim , David Navarro-Alarcon , Yong Ping Zheng , Nassir Navab

Interactive segmentation has recently attracted attention for specialized tasks where expert input is required to further enhance the segmentation performance. In this work, we propose a novel interactive segmentation framework, where user…

计算机视觉与模式识别 · 计算机科学 2021-11-19 Ragavie Pirabaharan , Naimul Khan

Breast region segmentation is an essential prerequisite in computerized analysis of mammograms. It aims at separating the breast tissue from the background of the mammogram and it includes two independent segmentations. The first segments…

计算机视觉与模式识别 · 计算机科学 2014-01-07 I. Laurence Aroquiaraj , K. Thangavel

The deposits of fat on the surroundings of the heart are correlated to several health risk factors such as atherosclerosis, carotid stiffness, coronary artery calcification, atrial fibrillation and many others. These deposits vary unrelated…

图像与视频处理 · 电气工程与系统科学 2021-12-22 Érick Oliveira Rodrigues , FFC Morais , NAOS Morais , LS Conci , LV Neto , Aura Conci

This paper introduces a method for estimating the shape and location of an embedded tumor. The approach utilizes shape optimization techniques, applying the coupled complex boundary method. By rewriting the problem -- characterized by a…

数值分析 · 数学 2025-05-30 Julius Fergy Tiongson Rabago

Good results on image classification and retrieval using support vector machines (SVM) with local binary patterns (LBPs) as features have been extensively reported in the literature where an entire image is retrieved or classified. In…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Zehra Camlica , H. R. Tizhoosh , Farzad Khalvati

Imaging biomarkers in magnetic resonance imaging (MRI) are important tools for diagnosing, tracking and treating Alzheimer's disease (AD). Neurofibrillary tau pathology in AD is closely linked to neurodegeneration and generally follows a…

Body fat percentage and its spatial distribution are clinically important health indicators. However, existing measurement methods often impose a tradeoff between accuracy and accessibility. Clinical-grade techniques, such as Dual-Energy…

医学物理 · 物理学 2026-05-12 Haotang Li , Yili Ren , Zhenyu Qi , Sen He , Kebin Peng , Sheng Tan , Bo Liu , Jiyue Zhao , Zi Wang

Mammography is a vital screening technique for early revealing and identification of breast cancer in order to assist to decrease mortality rate. Practical applications of mammograms are not limited to breast cancer revealing,…

图像与视频处理 · 电气工程与系统科学 2020-10-08 Aparna Bhale , Manish Joshi

This work presents a fast and simple method based on spiral MRSI for mapping the IMCL and EMCL apparent content, which is a challenging task and it compares this indicator to classical quantification results in muscles of interest.

图像与视频处理 · 电气工程与系统科学 2023-08-24 Antoine Naëgel , Magalie Viallon , Jabrane Karkouri , Thomas Troalen , Pierre Croisille , Hélène Ratiney

The vertebral levels of the spine provide a useful coordinate system when making measurements of plaque, muscle, fat, and bone mineral density. Correctly classifying vertebral levels with high accuracy is challenging due to the similar…

图像与视频处理 · 电气工程与系统科学 2020-10-08 Daniel C. Elton , Veit Sandfort , Perry J. Pickhardt , Ronald M. Summers

Body-Mass-Index (BMI) conveys important information about one's life such as health and socio-economic conditions. Large-scale automatic estimation of BMIs can help predict several societal behaviors such as health, job opportunities,…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Nadeem Yousaf , Sarfaraz Hussein , Waqas Sultani