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We propose a method for automatic segmentation of individual muscles from a clinical CT. The method uses Bayesian convolutional neural networks with the U-Net architecture, using Monte Carlo dropout that infers an uncertainty metric in…

图像与视频处理 · 电气工程与系统科学 2019-12-10 Yuta Hiasa , Yoshito Otake , Masaki Takao , Takeshi Ogawa , Nobuhiko Sugano , Yoshinobu Sato

Since the introduction of TotalSegmentator CT, there is demand for a similar robust automated MRI segmentation tool that can be applied across all MRI sequences and anatomic structures. In this retrospective study, a nnU-Net model…

Body composition analysis is vital in assessing health conditions such as obesity, sarcopenia, and metabolic syndromes. MRI provides detailed images of skeletal muscle (SKM), visceral adipose tissue (VAT), and subcutaneous adipose tissue…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Varun Akella , Razeyeh Bagherinasab , Jia Ming Li , Long Nguyen , Vincent Tze Yang Chow , Hyunwoo Lee , Karteek Popuri , Mirza Faisal Beg

In this study, we introduce a deep learning approach for segmenting kidney parenchyma and kidney abnormalities to support clinicians in identifying and quantifying renal abnormalities such as cysts, lesions, masses, metastases, and primary…

图像与视频处理 · 电气工程与系统科学 2023-09-08 Gabriel Efrain Humpire Mamani , Nikolas Lessmann , Ernst Th. Scholten , Mathias Prokop , Colin Jacobs , Bram van Ginneken

Accurate delineation of anatomical structures in volumetric CT scans is crucial for diagnosis and treatment planning. While AI has advanced automated segmentation, current approaches typically target individual structures, creating a…

Abdominal fat quantification is critical since multiple vital organs are located within this region. Although computed tomography (CT) is a highly sensitive modality to segment body fat, it involves ionizing radiations which makes magnetic…

图像与视频处理 · 电气工程与系统科学 2020-05-13 Samira Masoudi , Syed M. Anwar , Stephanie A. Harmon , Peter L. Choyke , Baris Turkbey , Ulas Bagci

Purposes: This study aimed to develop a computed tomography (CT)-based multi-organ segmentation model for delineating organs-at-risk (OARs) in pediatric upper abdominal tumors and evaluate its robustness across multiple datasets. Materials…

Standardized body region labelling of individual images provides data that can improve human and computer use of medical images. A CNN-based classifier was developed to identify body regions in CT and MRI. 17 CT (18 MRI) body regions…

图像与视频处理 · 电气工程与系统科学 2023-03-14 Philippe Raffy , Jean-François Pambrun , Ashish Kumar , David Dubois , Jay Waldron Patti , Robyn Alexandra Cairns , Ryan Young

Multi-parametric MRI of the body is routinely acquired for the identification of abnormalities and diagnosis of diseases. However, a standard naming convention for the MRI protocols and associated sequences does not exist due to wide…

图像与视频处理 · 电气工程与系统科学 2024-02-14 Kimberly Helm , Tejas Sudharshan Mathai , Boah Kim , Pritam Mukherjee , Jianfei Liu , Ronald M. Summers

Semantic segmentation is an import task in the medical field to identify the exact extent and orientation of significant structures like organs and pathology. Deep neural networks can perform this task well by leveraging the information…

计算机视觉与模式识别 · 计算机科学 2019-09-18 Abhijeet Parida , Arianne Tran , Nassir Navab , Shadi Albarqouni

Ultrasound imaging is generally employed for real-time investigation of internal anatomy of the human body for disease identification. Delineation of the anatomical boundary of organs and pathological lesions is quite challenging due to the…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Sumanth Nandamuri , Debarghya China , Pabitra Mitra , Debdoot Sheet

Purpose: Interpreting chest radiographs (CXR) remains challenging due to the ambiguity of overlapping structures such as the lungs, heart, and bones. To address this issue, we propose a novel method for extracting fine-grained anatomical…

图像与视频处理 · 电气工程与系统科学 2023-06-08 Constantin Seibold , Alexander Jaus , Matthias A. Fink , Moon Kim , Simon Reiß , Ken Herrmann , Jens Kleesiek , Rainer Stiefelhagen

Purpose: Automated distinct bone segmentation from CT scans is widely used in planning and navigation workflows. U-Net variants are known to provide excellent results in supervised semantic segmentation. However, in distinct bone…

图像与视频处理 · 电气工程与系统科学 2023-02-01 Eva Schnider , Julia Wolleb , Antal Huck , Mireille Toranelli , Georg Rauter , Magdalena Müller-Gerbl , Philippe C. Cattin

Segmentation of abdominal computed tomography(CT) provides spatial context, morphological properties, and a framework for tissue-specific radiomics to guide quantitative Radiological assessment. A 2015 MICCAI challenge spurred substantial…

Automatic segmentation of head and neck tumors plays an important role in radiomics analysis. In this short paper, we propose an automatic segmentation method for head and neck tumors from PET and CT images based on the combination of…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Jun Ma , Xiaoping Yang

In the paper, we present an approach for learning a single model that universally segments 33 anatomical structures, including vertebrae, pelvic bones, and abdominal organs. Our model building has to address the following challenges.…

图像与视频处理 · 电气工程与系统科学 2022-03-07 Pengbo Liu , Yang Deng , Ce Wang , Yuan Hui , Qian Li , Jun Li , Shiwei Luo , Mengke Sun , Quan Quan , Shuxin Yang , You Hao , Honghu Xiao , Chunpeng Zhao , Xinbao Wu , S. Kevin Zhou

Automated segmentation of cancerous lesions in PET/CT images is a vital initial task for quantitative analysis. However, it is often challenging to train deep learning-based segmentation methods to high degree of accuracy due to the…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Shadab Ahamed , Arman Rahmim

Autonomous surgical procedures, in particular minimal invasive surgeries, are the next frontier for Artificial Intelligence research. However, the existing challenges include precise identification of the human anatomy and the surgical…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Salman Maqbool , Aqsa Riaz , Hasan Sajid , Osman Hasan

Automatic organ segmentation is an important yet challenging problem for medical image analysis. The pancreas is an abdominal organ with very high anatomical variability. This inhibits previous segmentation methods from achieving high…

计算机视觉与模式识别 · 计算机科学 2015-06-23 Holger R. Roth , Le Lu , Amal Farag , Hoo-Chang Shin , Jiamin Liu , Evrim Turkbey , Ronald M. Summers

Multi-organ segmentation in abdominal Computed Tomography (CT) images is of great importance for diagnosis of abdominal lesions and subsequent treatment planning. Though deep learning based methods have attained high performance, they rely…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Meng Han , Xiangde Luo , Wenjun Liao , Shichuan Zhang , Shaoting Zhang , Guotai Wang