Active Contour Model Coupling with Higher Order Diffusion for Medical Image Segmentation [PDF]
International Journal of Biomedical Imaging, 2014 Active contour models are very popular in image segmentation. Different features such as mean gray and variance are selected for different purpose. But for image with intensity inhomogeneities, there are no features for segmentation using the active ...
Guodong Wang +3 more
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Ship Segmentation in SAR Images by Improved Nonlocal Active Contour Model [PDF]
Sensors, 2018 Synthetic aperture radar (SAR) has been widely used in ocean surveillance. As an important part of shipping management and military applications, ship monitoring is a study hotspot in SAR image interpretation; hence, many researches focus on ship targets.
Xiaoqiang Zhang +3 more
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Active contour model by combining edge and region information discrete dynamic systems
Advances in Mechanical Engineering, 2017 The basic idea of active contour model upon the image segmentation problem is evolved into a closed curve about the functional minimization problems. Active contour model based on edge information takes advantage of gradient information, and it has some ...
Zhifeng Wang, Yan-Jun Liu
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Brain MR image segmentation based on an improved active contour model. [PDF]
PLoS ONE, 2017 It is often a difficult task to accurately segment brain magnetic resonance (MR) images with intensity in-homogeneity and noise. This paper introduces a novel level set method for simultaneous brain MR image segmentation and intensity inhomogeneity ...
Xiangrui Meng +3 more
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A fast two-stage active contour model for intensity inhomogeneous image segmentation. [PDF]
PLoS ONE, 2019 This paper presents a fast two-stage image segmentation method for intensity inhomogeneous image using an energy function based on a local region-based active contour model with exponential family.
Yangyang Song, Guohua Peng
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A vessel active contour model for vascular segmentation. [PDF]
Biomed Res Int, 2014 This paper proposes a vessel active contour model based on local intensity weighting and a vessel vector field. Firstly, the energy function we define is evaluated along the evolving curve instead of all image points, and the function value at each point on the curve is based on the interior and exterior weighted means in a local neighborhood of the ...
Tian Y +7 more
europepmc +4 more sources
A Partition-Based Active Contour Model Incorporating Local Information for Image Segmentation [PDF]
The Scientific World Journal, 2014 Active contour models are always designed on the assumption that images are approximated by regions with piecewise-constant intensities. This assumption, however, cannot be satisfied when describing intensity inhomogeneous images which frequently occur ...
Jiao Shi +4 more
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A shape constrained parametric active contour model for breast contour detection. [PDF]
Annu Int Conf IEEE Eng Med Biol Soc, 2012 Quantitative measures of breast morphology can help a breast cancer survivor to understand outcomes of reconstructive surgeries. One bottleneck of quantifying breast morphology is that there are only a few reliable automation algorithms for detecting the breast contour.
Lee J +3 more
europepmc +4 more sources
An active contour model based on local fitted images for image segmentation. [PDF]
Inf Sci (N Y), 2017 Wang L +5 more
europepmc +2 more sources
Fuzzy Active Contour Model With Markov Random Field for Change Detection
IEEE Access, 2022 The traditional active contour models are sensitive to the speckle noise in the synthetic aperture radar (SAR) images. In this paper, the Markov random field (MRF) theory is incorporated into the fuzzy active contour model to detect the changes of ...
Fei Xie +5 more
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