Results 1 to 10 of about 2,543,839 (163)
Level Set Method for Positron Emission Tomography [PDF]
International Journal of Biomedical Imaging, 2007 In positron emission tomography (PET), a radioactive compound is injected into the body to promote a tissue-dependent emission rate. Expectation maximization (EM) reconstruction algorithms are iterative techniques which estimate the concentration ...
Tony F. Chan +3 more
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Thermal Infrared Pedestrian Image Segmentation Using Level Set Method [PDF]
Sensors, 2017 The edge-based active contour model has been one of the most influential models in image segmentation, in which the level set method is usually used to minimize the active contour energy function and then find the desired contour.
Yulong Qiao, Ziwei Wei, Yan Zhao
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Reconstruction of fluorescence molecular tomography with a cosinoidal level set method [PDF]
BioMedical Engineering OnLine, 2017 Background Implicit shape-based reconstruction method in fluorescence molecular tomography (FMT) is capable of achieving higher image clarity than image-based reconstruction method.
Xuanxuan Zhang, Xu Cao, Shouping Zhu
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A weighted region-based level set method for image segmentation with intensity inhomogeneity. [PDF]
PLoS ONE, 2021 Image segmentation is a fundamental task in image processing and is still a challenging problem when processing images with high noise, low resolution and intensity inhomogeneity. In this paper, a weighted region-based level set method, which is based on
Haiping Yu +3 more
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Inverse-design topology optimization of magnonic devices using level-set method [PDF]
npj SpintronicsThe inverse design approach in magnonics exploits the wave nature of magnons and machine learning to develop logical devices with functionalities that exceed the capabilities of analytical methods.
Andrey A. Voronov +5 more
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Research on improved level set image segmentation method
PLoS ONE, 2023 Aiming at the shortcomings of the traditional level set model which only has good robustness to the weak boundary and strong noise of the original target image, this paper proposes an improved algorithm based on the no-weight initialization level set ...
Mei Zhang +3 more
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One-Layer Particle Level Set Method
Shanghai Jiaotong Daxue xuebao, 2021 A one-layer particle level set method in which Lagrangian particles are employed to track the interface features is proposed and utilized to capture the interface. First, the interface is captured by utilizing the level set method. Then, the interface is
MU Kailong, ZHAO Lanhao, MAO Jia
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Region tracking on level-sets methods [PDF]
IEEE Transactions on Medical Imaging, 1999 Since the work by Osher and Sethian on level-sets algorithms for numerical shape evolutions, this technique has been used for a large number of applications in numerous fields. In medical imaging, this numerical technique has been successfully used, for example, in segmentation and cortex unfolding algorithms.
Marcelo BertalmÃo +2 more
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3D Multiphase Image Segmentation Based on Multilayer Level Set Function [PDF]
Jisuanji gongcheng, 2020 Multiphase image segmentation is usually realized by using multiple level set functions to respectively define the characteristic functions in different regions.However,the solution to the extremum of multiphase image segmentation relies on the solution ...
XU Juan, PAN Zhenkuan, WEI Weibo, WANG Jiazhong
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Parallel Computing with the Thick Level Set Method [PDF]
SIAM Journal on Scientific Computing, 2021 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Luiz A. T. Mororó +1 more
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