Fusion of higher order spectra and texture extraction methods for automated stroke severity classification with MRI images
Article
Faust, Oliver, Koh, Joel En Wei, Jahmunah, Vicnesh, Sabut, Sukant, Ciaccio, Edward J., Majid, Arshad, Ali, Ali, Lip, Gregory Y. H. and Acharya, U. Rajendra. 2021. "Fusion of higher order spectra and texture extraction methods for automated stroke severity classification with MRI images." International Journal of Environmental Research and Public Health. 18 (15). https://doi.org/10.3390/ijerph18158059
| Article Title | Fusion of higher order spectra and texture extraction methods for automated stroke severity classification with MRI images |
|---|---|
| ERA Journal ID | 44293 |
| Article Category | Article |
| Authors | Faust, Oliver, Koh, Joel En Wei, Jahmunah, Vicnesh, Sabut, Sukant, Ciaccio, Edward J., Majid, Arshad, Ali, Ali, Lip, Gregory Y. H. and Acharya, U. Rajendra |
| Journal Title | International Journal of Environmental Research and Public Health |
| Journal Citation | 18 (15) |
| Article Number | 8059 |
| Number of Pages | 19 |
| Year | 2021 |
| Publisher | MDPI AG |
| Place of Publication | Switzerland |
| ISSN | 1660-4601 |
| 1661-7827 | |
| Digital Object Identifier (DOI) | https://doi.org/10.3390/ijerph18158059 |
| Web Address (URL) | https://www.mdpi.com/1660-4601/18/15/8059 |
| Abstract | This paper presents a scientific foundation for automated stroke severity classification. We have constructed and assessed a system which extracts diagnostically relevant information from Magnetic Resonance Imaging (MRI) images. The design was based on 267 images that show the brain from individual subjects after stroke. They were labeled as either Lacunar Syndrome (LACS), Partial Anterior Circulation Syndrome (PACS), or Total Anterior Circulation Stroke (TACS). The labels indicate different physiological processes which manifest themselves in distinct image texture. The processing system was tasked with extracting texture information that could be used to classify a brain MRI image from a stroke survivor into either LACS, PACS, or TACS. We analyzed 6475 features that were obtained with Gray-Level Run Length Matrix (GLRLM), Higher Order Spectra (HOS), as well as a combination of Discrete Wavelet Transform (DWT) and Gray-Level Co-occurrence Matrix (GLCM) methods. The resulting features were ranked based on the p-value extracted with the Analysis Of Variance (ANOVA) algorithm. The ranked features were used to train and test four types of Support Vector Machine (SVM) classification algorithms according to the rules of 10-fold cross-validation. We found that SVM with Radial Basis Function (RBF) kernel achieves: Accuracy (ACC) = 93.62%, Specificity (SPE) = 95.91%, Sensitivity (SEN) = 92.44%, and Dice-score = 0.95. These results indicate that computer aided stroke severity diagnosis support is possible. Such systems might lead to progress in stroke diagnosis by enabling healthcare professionals to improve diagnosis and management of stroke patients with the same resources. |
| Keywords | Adaptive symmetric sampling; stroke type classification; Magnetic Resonance Imaging; Support Vector Machine; Higher Order Spectra |
| ANZSRC Field of Research 2020 | 400306. Computational physiology |
| Byline Affiliations | Sheffield Hallam University, United Kingdom |
| Ngee Ann Polytechnic, Singapore | |
| Kalinga Institute of Industrial Technology, India | |
| Columbia University, United States | |
| University of Sheffield, United Kingdom | |
| Sheffield Teaching Hospitals, United Kingdom | |
| University of Liverpool, United Kingdom | |
| Aalborg University, Denmark | |
| Singapore University of Social Sciences (SUSS), Singapore | |
| Asia University, Taiwan | |
| Kumamoto University, Japan |
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