2016
DOI: 10.14257/ijsip.2016.9.2.27
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Image Segmentation by Student's-t Mixture Models Based on Markov Random Field and Weighted Mean Template

Abstract: Finite mixture model (FMM) with Gaussian distribution has been widely used in many image processing and pattern recognition tasks. This paper presents a new Student's-t mixture model (SMM) based on Markov random field (MRF) and weighted mean template. In this model, the Student's-t distribution is considered as an alternative to the Gaussian distribution due to the former is heavily tailed than Gaussian distribution, thus providing robustness to outliers. With the help of the weighted mean template, the spatia… Show more

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Cited by 5 publications
(2 citation statements)
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“…Analyses conducted on simulated images, as well as on real clinical images, reveal an improvement in segmentation and accurate object boundary results. Pan et al [34] proposed a new mixture model, based on the Student's t-distribution [35] and the MRF. The main advantage of the Student's t-distribution is that it is heavily tailed, and hence provides a much more robust approach than the standard GMM.…”
Section: Related Workmentioning
confidence: 99%
See 1 more Smart Citation
“…Analyses conducted on simulated images, as well as on real clinical images, reveal an improvement in segmentation and accurate object boundary results. Pan et al [34] proposed a new mixture model, based on the Student's t-distribution [35] and the MRF. The main advantage of the Student's t-distribution is that it is heavily tailed, and hence provides a much more robust approach than the standard GMM.…”
Section: Related Workmentioning
confidence: 99%
“…4) Quantitative Analysis: a) MCR and PR Analysis: We start by showing the performance in terms of MCR (33) and 1-PR, where PR is given in (34). The MCR and PR measures are indicators of the image segmentation's accuracy.…”
Section: ) Parameters Study Of γ and δmentioning
confidence: 99%