Glomeruli Biyopsi Görüntülerinin Görme Dönüştürücüleri ve İstatistiksel Özellik Artırma Kullanılarak Hibrit Özellik Tabanlı Sınıflandırılması

Year 2025, Volume: 6 Issue: 1, 13 - 29, 25.06.2025

Uğur Demiroğlu , Bilal Şenol

https://doi.org/10.5281/zenodo.15719179

Abstract

Glomeruloskleroz gibi anormalliklerin tanımlanması, böbrek hastalıklarının tanısında kullanılan glomeruli biyopsi çalışmasının en önemli yönlerinden biridir. Glomeruli biyopsi görüntülerini Normal ve Sklerozlu kategorilerine sınıflandırmak amacıyla, bu çalışma hibrit bir sınıflandırma sistemi uygular. Kaggle'dan elde edilen veri seti, herhangi bir ek eğitim gerektirmeden özellik çıkarma amacıyla Vision Transformers (ViTs) ile işlendi. Daha spesifik olmak gerekirse, ilk olarak eğitilen Vision Transformer modelinin baş katmanından bin derin özellik çıkarıldı. Sınıflandırmanın etkinliğini artırmak için, ortalama, minimum, maksimum, entropi, basıklık, çarpıklık ve ortalama karekökü içeren on iki istatistiksel özellik hesaplandı ve alınan derin özelliklere eklendi. Bu, 1.012 özellik içeren hibrit bir gösterimle sonuçlandı. Sonraki adımda, görüntü sınıflandırması amacıyla geleneksel makine öğrenimi sınıflandırıcıları kullanıldı. Bu sınıflandırıcıların performansının değerlendirilmesi ve karşılaştırılması, istatistiksel özelliklerin kullanılmasıyla elde edilen iyileştirmeye özel bir vurgu yapılarak gerçekleştirildi. Deneylerin bulguları, geliştirilen hibrit modelin doğruluk ve dayanıklılık açısından temel derin özelliklerden daha iyi performans gösterdiğini göstermektedir. Bu, hibrit modelin glomeruli biyopsi görüntülerinin sınıflandırılması için umut verici bir teknik olduğunu göstermektedir.

Keywords

Glomeruli Biyopsisi , Görüntü Sınıflandırması , Görme Dönüştürücüler , İstatistiksel Özellikler , Hibrit Model

Hybrid Feature-Based Classification of Glomeruli Biopsy Images Using Vision Transformers and Statistical Feature Augmentation

Abstract

The identification of abnormalities such as glomerulosclerosis is one of the most important aspects of the glomeruli biopsy study that is used in the diagnosis of kidney illnesses. For the purpose of classifying glomeruli biopsy images into Normal and Sclerosed categories, this work implements a hybrid classification system. The dataset, which was obtained from Kaggle, was processed with Vision Transformers (ViTs) for the purpose of feature extraction without any additional training being required. To be more specific, one thousand deep features were extracted from the head layer of the Vision Transformer model that had been first trained. In order to improve the effectiveness of classification, twelve statistical characteristics, which included mean, minimum, maximum, entropy, kurtosis, skewness, and root mean square, were computed and added to the deep features that were retrieved. This resulted in a hybrid representation that contained 1,012 features. In the subsequent step, traditional machine learning classifiers were utilized for the purpose of image classification. Evaluation and comparison of the performance of these classifiers were carried out, with a particular emphasis placed on the enhancement that was accomplished by using statistical characteristics. The findings of the experiments show that the hybrid model that was developed performs better than the baseline deep features in terms of accuracy and resilience. This indicates that the hybrid model is a promising technique for the classification of glomeruli biopsy images.

Keywords

Glomeruli Biopsy , Image Classification , Vision Transformers , Statistical Features , Hybrid Model

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