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Magnetic resonance imaging (MRI) is a potent diagnostic tool for detecting pathological tissues in various diseases. Different MRI sequences have different contrast mechanisms and sensitivities for different types of lesions, which pose…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Lijun Yan , Churan Wang , Fangwei Zhong , Yizhou Wang

It is critically important to detect the content of liver fat as it is related to cardiac complications and cardiovascular disease mortality. However, existing methods are either associated with high cost and/or medical complications (e.g.,…

图像与视频处理 · 电气工程与系统科学 2024-06-03 Qiyue Wang , Wu Xue , Xiaoke Zhang , Fang Jin , James Hahn

Early detection of skin abnormalities plays a crucial role in diagnosing and treating skin cancer. Segmentation of affected skin regions using AI-powered devices is relatively common and supports the diagnostic process. However, achieving…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Thi-Nhu-Quynh Nguyen , Quang-Huy Ho , Duy-Thai Nguyen , Hoang-Minh-Quang Le , Van-Truong Pham , Thi-Thao Tran

In this paper, a multi-scale framework with local region based active contour and boundary shape similarity constraint is proposed for the segmentation of levator hiatus in ultrasound images. In this paper, we proposed a multiscale active…

计算机视觉与模式识别 · 计算机科学 2019-01-14 Xinling Zhang , Xu Li , Ying Chen , Yixin Gan , Dexing Kong , Rongqin Zheng

Percutaneous radiofrequency ablation (RFA) is a minimally invasive technique that destroys cancer cells by heat. The heat results from focusing energy in the radiofrequency spectrum through a needle. Amongst others, this can enable the…

This paper presents an approach for understanding the soft tissue behavior in surface contact with a probe scanning the tissue. The application domain is confocal microlaparoscopy, mostly used for imaging the outer surface of the organs in…

机器人学 · 计算机科学 2018-04-16 M. Erden , B. Rosa , J. Szewczyk , G. Morel

Body fat volume and distribution can be a strong indication for a person's overall health and the risk for developing diseases like type 2 diabetes and cardiovascular diseases. Frequently used measures for fat estimation are the body mass…

Normal fetal adipose tissue (AT) development is essential for perinatal well-being. AT, or simply fat, stores energy in the form of lipids. Malnourishment may result in excessive or depleted adiposity. Although previous studies showed a…

Quantitative Magnetic Resonance Imaging (MRI) is based on a two-steps approach: estimation of the magnetic moments distribution inside the body, followed by a voxel-by-voxel quantification of the human tissue properties. This splitting…

This paper introduces a new method for estimating the penetration of the end effector and the parameters of a soft body using a collaborative robotic arm. This is possible using the dimensionality reduction method that simplifies the…

机器人学 · 计算机科学 2024-04-16 Luca Beber , Edoardo Lamon , Giacomo Moretti , Daniele Fontanelli , Matteo Saveriano , Luigi Palopoli

Intraoperative observation of tissue internal structure is often difficult. Hence, real-time soft tissue deformation is essential for the localization of tumor and other internal structures. We propose a method to simulate the internal…

计算几何 · 计算机科学 2019-07-26 Haoyin Zhou , Eva Gombos , Mehra Golshan , Jayender Jagadeesan

Due to low tissue contrast, irregular object appearance, and unpredictable location variation, segmenting the objects from different medical imaging modalities (e.g., CT, MR) is considered as an important yet challenging task. In this…

计算机视觉与模式识别 · 计算机科学 2018-05-10 Jinquan Sun , Yinghuan Shi , Yang Gao , Lei Wang , Luping Zhou , Wanqi Yang , Dinggang Shen

Background and objective: Combined evaluation of lumbosacral structures (e.g. nerves, bone) on multimodal radiographic images is routinely conducted prior to spinal surgery and interventional procedures. Generally, magnetic resonance…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Guoxin Fan , Huaqing Liu , Zhenhua Wu , Yufeng Li , Chaobo Feng , Dongdong Wang , Jie Luo , Xiaofei Guan , William M. Wells , Shisheng He

Objective: To demonstrate the effectiveness of using a deep learning-based approach for a fully automated slice-based measurement of muscle mass for assessing sarcopenia on CT scans of the abdomen without any case exclusion criteria.…

图像与视频处理 · 电气工程与系统科学 2020-06-12 Fahdi Kanavati , Shah Islam , Zohaib Arain , Eric O. Aboagye , Andrea Rockall

The high prevalence of spinal stenosis results in a large volume of MRI imaging, yet interpretation can be time-consuming with high inter-reader variability even among the most specialized radiologists. In this paper, we develop an…

In this paper we propose a novel method for the segmentation of longitudinal brain MRI scans of patients suffering from Multiple Sclerosis. The method builds upon an existing cross-sectional method for simultaneous whole-brain and lesion…

图像与视频处理 · 电气工程与系统科学 2021-01-05 Stefano Cerri , Andrew Hoopes , Douglas N. Greve , Mark Mühlau , Koen Van Leemput

The purpose of this study is to develop an automated algorithm for thoracic vertebral segmentation on chest radiography using deep learning. 124 de-identified lateral chest radiographs on unique patients were obtained. Segmentations of…

图像与视频处理 · 电气工程与系统科学 2020-01-07 Sanket Badhe , Varun Singh , Joy Li , Paras Lakhani

Purpose: In this paper, we investigate a framework for interactive brain tumor segmentation which, at its core, treats the problem of interactive brain tumor segmentation as a machine learning problem. Methods: This method has an advantage…

计算机视觉与模式识别 · 计算机科学 2016-05-20 Mohammad Havaei , Hugo Larochelle , Philippe Poulin , Pierre-Marc Jodoin

The objective of this paper is to significantly reduce the manual workload required from medical professionals in complex 3D segmentation tasks that cannot be yet fully automated. For instance, in radiotherapy planning, organs at risk must…

Most data-driven models for medical image analysis rely on universal augmentations to improve accuracy. Experimental evidence has confirmed their effectiveness, but the unclear mechanism underlying them poses a barrier to the widespread…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Yiqin Zhang , Qingkui Chen , Chen Huang , Zhengjie Zhang , Meiling Chen , Zhibing Fu