Detection Of Brain Tumors From Magnetic Resonance Imaging By Combining Superpixel Methods And Relevance Vector Machines Classification (RVM)

Subject Areas : Renewable energy

Ebrahim Akbari ¹ , Mehran Emadi ²

1 - Electrical Engineering, Faculty of Engineering, Islamic Azad University, Mobarakeh Unit, Iran
2 - Assistant Professor Islamic Azad University Mobarakeh Branch , Mobarakeh, Isfahan, Iran

Received: 2018-10-15 Accepted : 2018-12-17 Published : 2019-02-04

Keywords: Magnetic resonance imaging, Super pixel classification, Relevance vector machines classification,

Abstract :

The production of additional cells often forms a mass of tissue that is referred to as a tumor. Tumors can disrupt the proper functioning of the brain and even lead to the patients' death. One of the non-invasive diagnostic methods for this disease is Magnetic Resonance Imaging (MRI). The development of an automated or semi-automatic diagnostic system is required by the computer in medical treatments. Several algorithms have been used to detect a tumor, each with its own advantages and disadvantages. In the present study, an automatic method has been developed by the combination of new methods in order to find the exact area of the tumor in the MRI image. This algorithm is based on super pixel and RVM classification. The algorithm used in the super pixel method is the SLIC algorithm, which calculates for each super pixel 13 statistical characteristics and severity. Finally, an educational method introduced from the RVM classification algorithm that can detect the tumor portion from non-tumor in each brain MRI image. BRATS2012 dataset and FLAIR weights have been utilized in this study The results are compared with the results of the BRATS2012 data and The overlap coefficients of Dice, BF score, and Jaccard were 0.898, 0.697 and 0.754, respectively.

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