Combined Oriented Data Augmentation Method for Brain MRI Images

In recent years, deep learning’s use in medical imaging has grown exponentially. However, one of the biggest problems with training deep learning models is the unavailability of large amounts of data, which leads to overfitting. Collecting large quantities of labelled medical images is ex...

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Main Authors: Ahmeed Suliman Farhan, Muhammad Khalid, Umar Manzoor
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10829922/
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author Ahmeed Suliman Farhan
Muhammad Khalid
Umar Manzoor
author_facet Ahmeed Suliman Farhan
Muhammad Khalid
Umar Manzoor
author_sort Ahmeed Suliman Farhan
collection DOAJ
description In recent years, deep learning’s use in medical imaging has grown exponentially. However, one of the biggest problems with training deep learning models is the unavailability of large amounts of data, which leads to overfitting. Collecting large quantities of labelled medical images is expensive, time-consuming, and depends on specialists’ availability. In this paper, we proposed a novel method namely Oriented Combination MRI (OCMRI) for augmenting brain MRI dataset. The proposed method helps CNN models overcome overfitting and address class imbalance issues by combining Brain MRI images to generate new images. The image fusion is performed by selecting two images of the same tumor class if the Mean Squared Error (MSE) between these two images is greater than threshold 1 and lower than threshold 2. Both thresholds are adjustable, initially set by the user and automatically fine-tuned by the algorithm to control the number of images produced for each class, thus helping to address the data imbalance problem. The proposed approach was evaluated by training and testing the PRCnet model on four publicly available datasets before and after applying the proposed method to the datasets. Where the classification accuracy without data augmentation was 85.19% for dataset A, 90.12% for dataset B, 94.77% for dataset C, and 90% for dataset D respectively. After adding the synthetic data; the accuracy improved to 92.7% for dataset A, 95.37% for dataset B, 96.51% for dataset C and 98% for dataset D respectively.
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spelling doaj-art-6895251b0a79463ba96866f06e2505322025-01-21T00:02:13ZengIEEEIEEE Access2169-35362025-01-01139981999410.1109/ACCESS.2025.352668410829922Combined Oriented Data Augmentation Method for Brain MRI ImagesAhmeed Suliman Farhan0https://orcid.org/0000-0001-7159-190XMuhammad Khalid1https://orcid.org/0000-0002-2674-2489Umar Manzoor2School of Computer Sciences, University of Hull, Hull, U.K.School of Computer Sciences, University of Hull, Hull, U.K.School of Engineering, Computing and Mathematical Sciences, University of Wolverhampton, Wolverhampton, U.K.In recent years, deep learning’s use in medical imaging has grown exponentially. However, one of the biggest problems with training deep learning models is the unavailability of large amounts of data, which leads to overfitting. Collecting large quantities of labelled medical images is expensive, time-consuming, and depends on specialists’ availability. In this paper, we proposed a novel method namely Oriented Combination MRI (OCMRI) for augmenting brain MRI dataset. The proposed method helps CNN models overcome overfitting and address class imbalance issues by combining Brain MRI images to generate new images. The image fusion is performed by selecting two images of the same tumor class if the Mean Squared Error (MSE) between these two images is greater than threshold 1 and lower than threshold 2. Both thresholds are adjustable, initially set by the user and automatically fine-tuned by the algorithm to control the number of images produced for each class, thus helping to address the data imbalance problem. The proposed approach was evaluated by training and testing the PRCnet model on four publicly available datasets before and after applying the proposed method to the datasets. Where the classification accuracy without data augmentation was 85.19% for dataset A, 90.12% for dataset B, 94.77% for dataset C, and 90% for dataset D respectively. After adding the synthetic data; the accuracy improved to 92.7% for dataset A, 95.37% for dataset B, 96.51% for dataset C and 98% for dataset D respectively.https://ieeexplore.ieee.org/document/10829922/Data augmentationbrain tumormedical imagingdeep learningMRIbrain tumor classification
spellingShingle Ahmeed Suliman Farhan
Muhammad Khalid
Umar Manzoor
Combined Oriented Data Augmentation Method for Brain MRI Images
IEEE Access
Data augmentation
brain tumor
medical imaging
deep learning
MRI
brain tumor classification
title Combined Oriented Data Augmentation Method for Brain MRI Images
title_full Combined Oriented Data Augmentation Method for Brain MRI Images
title_fullStr Combined Oriented Data Augmentation Method for Brain MRI Images
title_full_unstemmed Combined Oriented Data Augmentation Method for Brain MRI Images
title_short Combined Oriented Data Augmentation Method for Brain MRI Images
title_sort combined oriented data augmentation method for brain mri images
topic Data augmentation
brain tumor
medical imaging
deep learning
MRI
brain tumor classification
url https://ieeexplore.ieee.org/document/10829922/
work_keys_str_mv AT ahmeedsulimanfarhan combinedorienteddataaugmentationmethodforbrainmriimages
AT muhammadkhalid combinedorienteddataaugmentationmethodforbrainmriimages
AT umarmanzoor combinedorienteddataaugmentationmethodforbrainmriimages