Automated Sperm Head Detection Using Intersecting Cortical Model Optimised by Particle Swarm Optimization

Weng Chun Tan and Nor Ashidi Mat Isa

PLOS ONE, 2016, vol. 11, issue 9, 1-26

Abstract: In human sperm motility analysis, sperm segmentation plays an important role to determine the location of multiple sperms. To ensure an improved segmentation result, the Laplacian of Gaussian filter is implemented as a kernel in a pre-processing step before applying the image segmentation process to automatically segment and detect human spermatozoa. This study proposes an intersecting cortical model (ICM), which was derived from several visual cortex models, to segment the sperm head region. However, the proposed method suffered from parameter selection; thus, the ICM network is optimised using particle swarm optimization where feature mutual information is introduced as the new fitness function. The final results showed that the proposed method is more accurate and robust than four state-of-the-art segmentation methods. The proposed method resulted in rates of 98.14%, 98.82%, 86.46% and 99.81% in accuracy, sensitivity, specificity and precision, respectively, after testing with 1200 sperms. The proposed algorithm is expected to be implemented in analysing sperm motility because of the robustness and capability of this algorithm.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0162985

DOI: 10.1371/journal.pone.0162985

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