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This paper presents a new mesh segmentation method that integrates geometrical and topological features through a flexible Reeb graph representation. The algorithm consists of three phases: construction of the Reeb graph using the improved…

Graphics · Computer Science 2025-01-22 Florian Beguet , Sandrine Lanquetin , Romain Raffin

Many edge and contour detection algorithms give a soft-value as an output and the final binary map is commonly obtained by applying an optimal threshold. In this paper, we propose a novel method to detect image contours from the extracted…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Zahra Mousavi Kouzehkanan , Reshad Hosseini , Babak Nadjar Araabi

We present a scale-invariant, template-based segmentation paradigm that sets up a graph and performs a graph cut to separate an object from the background. Typically graph-based schemes distribute the nodes of the graph uniformly and…

Computer Vision and Pattern Recognition · Computer Science 2012-05-31 Jan Egger , Bernd Freisleben , Christopher Nimsky , Tina Kapur

Vertebral body (VB) segmentation is an important preliminary step towards medical visual diagnosis for spinal diseases. However, most previous works require pixel/voxel-wise strong supervisions, which is expensive, tedious and…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Shiqi Peng , Bolin Lai , Guangyu Yao , Xiaoyun Zhang , Ya Zhang , Yan-Feng Wang , Hui Zhao

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…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Mengyuan Liu , Jeongkyu Lee

We present a novel automated method to segment the myocardium of both left and right ventricles in MRI volumes. The segmentation is consistent in 3D across the slices such that it can be directly used for mesh generation. Two specific…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Qiao Zheng , Hervé Delingette , Nicolas Duchateau , Nicholas Ayache

Medical image segmentation has become an essential technique in clinical and research-oriented applications. Because manual segmentation methods are tedious, and fully automatic segmentation lacks the flexibility of human intervention or…

Image and Video Processing · Electrical Eng. & Systems 2019-04-24 Kevin Karsch , Qing He , Ye Duan

Vertebral body compression fractures are reliable early signs of osteoporosis. Though these fractures are visible on Computed Tomography (CT) images, they are frequently missed by radiologists in clinical settings. Prior research on…

Image and Video Processing · Electrical Eng. & Systems 2020-07-21 Maxim Pisov , Vladimir Kondratenko , Alexey Zakharov , Alexey Petraikin , Victor Gombolevskiy , Sergey Morozov , Mikhail Belyaev

State-of-the-art computer- and robot-assisted surgery systems heavily depend on intraoperative imaging technologies such as CT and fluoroscopy to generate detailed 3D visualization of the patient's anatomy. While imaging techniques are…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Aidana Massalimova , Florentin Liebmann , Sascha Jecklin , Fabio Carrillo , Farshad Mazda , Philipp Fürnstahl

Accurate segmentation of anatomical structures and abnormalities in medical images is crucial for computer-aided diagnosis and analysis. While deep learning techniques excel at this task, their computational demands pose challenges.…

Image and Video Processing · Electrical Eng. & Systems 2024-09-24 Syed Javed , Tariq M. Khan , Abdul Qayyum , Hamid Alinejad-Rokny , Arcot Sowmya , Imran Razzak

Purpose: Body composition is known to be associated with many diseases including diabetes, cancers and cardiovascular diseases. In this paper, we developed a fully automatic body tissue decomposition procedure to segment three major…

Image and Video Processing · Electrical Eng. & Systems 2021-01-27 Yabo Fu , Joseph E. Ippolito , Daniel R. Ludwig , Rehan Nizamuddin , Harold H. Li , Deshan Yang

MR images of fetuses allow clinicians to detect brain abnormalities in an early stage of development. The cornerstone of volumetric and morphologic analysis in fetal MRI is segmentation of the fetal brain into different tissue classes.…

Image and Video Processing · Electrical Eng. & Systems 2019-06-12 N. Khalili , N. Lessmann , E. Turk , N. Claessens , R. de Heus , T. Kolk , M. A. Viergever , M. J. N. L. Benders , I. Isgum

Medical image segmentation often requires segmenting multiple elliptical objects on a single image. This includes, among other tasks, segmenting vessels such as the aorta in axial CTA slices. In this paper, we present a general approach to…

Image and Video Processing · Electrical Eng. & Systems 2022-06-22 Marin Benčević , Marija Habijan , Irena Galić , Danilo Babin

Deep learning-based image segmentation has allowed for the fully automated, accurate, and rapid analysis of musculoskeletal (MSK) structures from medical images. However, current approaches were either applied only to 2D cross-sectional…

Mesh reconstruction of the cardiac anatomy from medical images is useful for shape and motion measurements and biophysics simulations to facilitate the assessment of cardiac function and health. However, 3D medical images are often acquired…

Image and Video Processing · Electrical Eng. & Systems 2024-10-22 Yihao Luo , Dario Sesia , Fanwen Wang , Yinzhe Wu , Wenhao Ding , Jiahao Huang , Fadong Shi , Anoop Shah , Amit Kaural , Jamil Mayet , Guang Yang , ChoonHwai Yap

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.…

Image and Video Processing · Electrical Eng. & Systems 2020-06-12 Fahdi Kanavati , Shah Islam , Zohaib Arain , Eric O. Aboagye , Andrea Rockall

Advances in image registration and machine learning have recently enabled volumetric analysis of postmortem brain tissue from conventional photographs of coronal slabs, which are routinely collected in brain banks and neuropathology…

Segmentation of medical images is critical for making several processes of analysis and classification more reliable. With the growing number of people presenting back pain and related problems, the semi-automatic segmentation and 3D…

Image and Video Processing · Electrical Eng. & Systems 2019-07-10 Jonathan S. Ramos , Mirela T. Cazzolato , Bruno S. Faiçal , Marcello H. Nogueira-Barbosa , Caetano Traina , Agma J. M. Traina

Deep learning approaches may help radiologists in the early diagnosis and timely treatment of cerebrovascular diseases. Accurate cerebral vessel segmentation of Time-of-Flight Magnetic Resonance Angiographs (TOF-MRAs) is an essential step…

Image and Video Processing · Electrical Eng. & Systems 2021-01-25 V. de Vos , K. M. Timmins , I. C. van der Schaaf , Y. Ruigrok , B. K. Velthuis , H. J. Kuijf

Mandible bone segmentation from computed tomography (CT) scans is challenging due to mandible's structural irregularities, complex shape patterns, and lack of contrast in joints. Furthermore, connections of teeth to mandible and mandible to…

Computer Vision and Pattern Recognition · Computer Science 2017-02-24 Neslisah Torosdagli , Denise K. Liberton , Payal Verma , Murat Sincan Janice Lee , Sumanta Pattanaik , Ulas Bagci