Abstract

Brain tumors are considered as most fatal cancers. To reduce the risk of death, early identification of the disease is required. One of the best available methods to evaluate brain tumors is Magnetic resonance Images (MRI). Brain tumor detection and segmentation are tough as brain tumors may vary in size, shape, and location. That makes manual detection of brain tumors by exploring MRI a tedious job for radiologists and doctors’. So an automated brain tumor detection and segmentation is required. This work suggests a Region-based Convolution Neural Network (RCNN) approach for automated brain tumor identification and segmentation using MR images, which helps solve the difficulties of brain tumor identification efficiently and accurately. Our methodology is based on the accurate and efficient selection of tumorous areas. That reduces computational complexity and time. We have validated the designed experimental setup on a standard dataset, BraTS 2020. We used binary evaluation matrices based on Dice Similarity Coefficient (DSC) and Mean Average Precision (mAP). The segmentation results are compared with state-of-the-art methodologies to demonstrate the effectiveness of the proposed method. The suggested approach attained an average DSC of 0.92 and mAP 0.92 for 10 patients, while on the whole dataset, the scores are DSC 0.89 and mAP 0.90. The following results clearly show the performance efficiency of the proposed methodology.

Highlights

  • A brain tumor is characterized by irregular brain cell growth that can affect the nervous system and be fatal in extreme cases

  • We proposed a method for detecting and segmenting brain tumors using a regional convolutional neural network (RCNN)

  • We propose a method of Brain tumor detection and segmentation for detecting and segmenting brain tumors using a deep regional convolutional neural network (RCNN) and the Active contour segmentation approach in this study

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Summary

Introduction

A brain tumor is characterized by irregular brain cell growth that can affect the nervous system and be fatal in extreme cases. Brain tumors are known as malignant or benign brain tumors. While benign is a form of non-cancerous brain tumor. The growth rate of benign brain tumors is less severe than that of malignant tumors, considered the deadliest cancers. Brain tumors can be categorized as either depending on their initial origin, primary brain tumors, or metastatic. CMC, 2022, vol., no.3 cells that become malignant in another part of the body and spread to the brain [1,2]. Gliomas are more prevalent primary malignant brain tumors. Gliomas are tumors that originate in the glial cells of the brain. Patients with low-grade gliomas might expect to live for several years

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