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J. Imaging 2018, 4(1), 14; https://doi.org/10.3390/jimaging4010014

Breast Density Classification Using Local Quinary Patterns with Various Neighbourhood Topologies

1
School of Computing, Ulster University, Coleraine BT52 1SA, UK
2
School of Computing, Ulster University, Jordanstown, Newtownabbey BT37 0QB, UK
3
School of Health Sciences, Ulster University, Newtownabbey BT37 0QB, UK
This paper is an extended version of our paper published in Annual Conference on Medical Image Understanding and Analysis, Edinburgh, UK, 11–13 July 2017.
*
Authors to whom correspondence should be addressed.
Received: 27 October 2017 / Revised: 8 December 2017 / Accepted: 5 January 2018 / Published: 8 January 2018
(This article belongs to the Special Issue Selected Papers from “MIUA 2017”)
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Abstract

This paper presents an extension of work from our previous study by investigating the use of Local Quinary Patterns (LQP) for breast density classification in mammograms on various neighbourhood topologies. The LQP operators are used to capture the texture characteristics of the fibro-glandular disk region ( F G D r o i ) instead of the whole breast area as the majority of current studies have done. We take a multiresolution and multi-orientation approach, investigate the effects of various neighbourhood topologies and select dominant patterns to maximise texture information. Subsequently, the Support Vector Machine classifier is used to perform the classification, and a stratified ten-fold cross-validation scheme is employed to evaluate the performance of the method. The proposed method produced competitive results up to 86.13 % and 82.02 % accuracy based on 322 and 206 mammograms taken from the Mammographic Image Analysis Society (MIAS) and InBreast datasets, which is comparable with the state-of-the-art in the literature. View Full-Text
Keywords: breast density classification; computer aided diagnosis; local quinary patterns; breast mammography breast density classification; computer aided diagnosis; local quinary patterns; breast mammography
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Rampun, A.; Scotney, B.W.; Morrow, P.J.; Wang, H.; Winder, J. Breast Density Classification Using Local Quinary Patterns with Various Neighbourhood Topologies. J. Imaging 2018, 4, 14.

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