2019
DOI: 10.1016/j.cmpb.2019.04.016
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A novel framework for MR image segmentation and quantification by using MedGA

Abstract: Background and Objectives: Image segmentation represents one of the most challenging issues in medical image analysis to distinguish among different adjacent tissues in a body part. In this context, appropriate image pre-processing tools can improve the result accuracy achieved by computer-assisted segmentation methods. Taking into consideration images with a bimodal intensity distribution, image binarization can be used to classify the input pictorial data into two classes, given a threshold intensity value. … Show more

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Cited by 51 publications
(35 citation statements)
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“…We also developed a Parent-Workers strategy using mpi4py, which provides bindings of the Message Passing Interface (MPI) specifications for Python to leverage multi-core and many-core resources [69]. The distributed strategy used to accelerate ACDC is similar to that employed in [70][71][72], where the Parent allocates the resources and orchestrates the workers, which run ACDC to analyze the assigned images. This distributed version of ACDC is 3.7× faster than the sequential version by exploiting 6 cores of a CPU Intel Core E5-2650 v4 (clock 2.2 GHz).…”
Section: Implementation Detailsmentioning
confidence: 99%
“…We also developed a Parent-Workers strategy using mpi4py, which provides bindings of the Message Passing Interface (MPI) specifications for Python to leverage multi-core and many-core resources [69]. The distributed strategy used to accelerate ACDC is similar to that employed in [70][71][72], where the Parent allocates the resources and orchestrates the workers, which run ACDC to analyze the assigned images. This distributed version of ACDC is 3.7× faster than the sequential version by exploiting 6 cores of a CPU Intel Core E5-2650 v4 (clock 2.2 GHz).…”
Section: Implementation Detailsmentioning
confidence: 99%
“…ψ c A k is the quality of the color distribution, and H(s) is the evaluation of ψ c A k for each superpixel k. H(s) = k ψ c A k . ψ c A k is used to evaluate the distance between colors and the concentration degree of colors in a histogram, as shown in Equation (11).…”
Section: Metric Function Of Color Uniformitymentioning
confidence: 99%
“…Veganzones et al proposed a hyperspectral image segmentation method using a new spectral unmixing-based binary partition tree representation [10]. Rundo et al proposed an intelligent image analysis framework for image enhancement, automatic global thresholding and segmentation [11]. However, the above traditional object-level segmentation algorithms have the common problem of under-segmentation, which has a significant impact on post-processing.…”
Section: Introductionmentioning
confidence: 99%
“…A novel evolutionary method based on GAs for medical image enhancement and segmentation, named MedGA, was recently presented in [56], by using the efficient histogram-based encoding of individuals defined in [57]. MedGA aims at better revealing the two underlying sub-distributions occurring in a medical image sub-region characterised by a roughly bimodal histogram, in order to improve thresholding-based segmentation results [58]. An extensive review of the applications of GAs to medical image segmentation is presented in [59].…”
Section: Genetic Algorithmsmentioning
confidence: 99%