Results 1 to 10 of about 3,784,605 (147)

Early and accurate detection of melanoma skin cancer using hybrid level set approach [PDF]

open access: yesFrontiers in Physiology, 2022
Digital dermoscopy is used to identify cancer in skin lesions, and sun exposure is one of the leading causes of melanoma. It is crucial to distinguish between healthy skin and malignant lesions when using computerised lesion detection and classification.
Mahmoud Ragab   +10 more
doaj   +2 more sources

Level-Set-Based Kidney Segmentation from DCE-MRI Using Fuzzy Clustering with Population-Based and Subject-Specific Shape Statistics [PDF]

open access: yesBioengineering, 2022
The segmentation of dynamic contrast-enhanced magnetic resonance images (DCE-MRI) of the kidney is a fundamental step in the early and noninvasive detection of acute renal allograft rejection. In this paper, a new and accurate DCE-MRI kidney segmentation
Moumen El-Melegy   +4 more
doaj   +2 more sources

A Convexity-Preserving Level-Set Method for the Segmentation of Tumor Organoids [PDF]

open access: yesBioengineering
Tumor organoid cultures play a crucial role in clinical practice, particularly in guiding medication by accurately determining the morphology and size of the organoids.
Xiaoyi Lei, Luying Gui, Hairong Liu
doaj   +2 more sources

Magnetic Resonance Imaging Segmentation via Weighted Level Set Model Based on Local Kernel Metric and Spatial Constraint

open access: yesEntropy, 2021
Magnetic resonance imaging (MRI) segmentation is a fundamental and significant task since it can guide subsequent clinic diagnosis and treatment. However, images are often corrupted by defects such as low-contrast, noise, intensity inhomogeneity, and so ...
Jianhua Song, Zhe Zhang
doaj   +1 more source

A Vaporization Model for Continuous Surface Force Approaches and Subcooled Configurations

open access: yesFluids, 2023
The integration of phase change phenomena through an interface is a numerical challenge that requires proper attention. Solutions to properly ensure mass and energy conservation were developed for finite difference and finite volume methods, but not for ...
Charles Brissot   +3 more
doaj   +1 more source

Level sets of the Takagi function: local level sets [PDF]

open access: yesMonatshefte für Mathematik, 2012
32 pages, 2 figures, 1 table. Latest version has updated equation numbering.
Lagarias, Jeffrey C., Maddock, Zachary
openaire   +2 more sources

Level sets of the Takagi function: generic level sets [PDF]

open access: yesIndiana University Mathematics Journal, 2011
Comments welcome. 23 pages, 2 figures.
Lagarias, Jeffrey C., Maddock, Zachary
openaire   +2 more sources

Level Set KSVD

open access: yesCoRR, 2023
We present a new algorithm for image segmentation - Level-set KSVD. Level-set KSVD merges the methods of sparse dictionary learning for feature extraction and variational level-set method for image segmentation. Specifically, we use a generalization of the Chan-Vese functional with features learned by KSVD.
Omer Sapir, Iftach Klapp, Nir A. Sochen
openaire   +2 more sources

CutFEM forward modeling for EEG source analysis

open access: yesFrontiers in Human Neuroscience, 2023
IntroductionSource analysis of Electroencephalography (EEG) data requires the computation of the scalp potential induced by current sources in the brain.
Tim Erdbrügger   +20 more
doaj   +1 more source

Automatic Brain Tumor Segmentation in Multimodal Magnetic Resonance Images (MRI) Using Brain Symmetry Analysis and Active Contour [PDF]

open access: yesمجله علوم پزشکی صدرا, 2000
Introduction: The abnormal growth of the brain cells leads to a brain tumor, which has the highest mortality rate. Brain tumor segmentation from magnetic resonance images (MRI) separate the abnormal mass of tissue from normal brain tissues.
Asieh Khosravanian, Kamran Kazemi
doaj   +1 more source

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