Research Article

Deep Learning-Based Classification of Handwriting Data: A Multi-Representation Approach For Alzheimer’s Disease

Volume: 15 Number: 2 June 30, 2026

Deep Learning-Based Classification of Handwriting Data: A Multi-Representation Approach For Alzheimer’s Disease

Abstract

The study of handwriting behavior is becoming an increasingly important method for assessing neurodegenerative disorders. In this study, a feature set was created by recalculating 18 features (including temporal, kinematic, and geometric characteristics) defined in the literature from raw data in the DARWIN handwriting database. The resulting representations was initially evaluated using a 1-Dimensional Convolutional Neural Network (1D-CNN) to investigate the information provided by handwriting patterns for the detection of Alzheimer's disease. In the second stage, this feature set was converted into a two-dimensional image format, and the visual representations were further analyzed using the 2D Convolutional Neural Network (2D-CNN) model. The 1D-CNN model developed on numerical data achieved 94.29% accuracy, while the 2D-CNN model trained on two-dimensional visual representations achieved 91.43% accuracy. The findings indicate that numerical and visual representations derived from handwriting data contain significant discriminatory information for the classification of Alzheimer's disease and that both approaches exhibit similar and comparable levels of performance.

Keywords

Ethical Statement

The study is complied with research and publication ethics.

Thanks

The authors like to convey their heartfelt appreciation to the DARWIN Research Team for their gracious provision of the raw data of the DARWIN handwriting dataset used in this work. Their essential assistance and involvement were crucial to the effective completion of this study.

References

  1. Gokalp Tulum, Ceren Gündüzalp, Tahsin Gündüzalp, "Alzheimer Hastalığının Tespiti CNN Model Sınıflandırması," International Journal of Pure and Applied Sciences, vol. 11, no. 1, pp. 281-297, 2025. DOI: https://doi.org/10.29132/ijpas.1582591.
  2. Turgut Özseven, "Comparative Performance Analysis of Time-Frequency Domain Images and Raw Signal Data for Classification of ECG Signals," Düzce Üniversitesi Bilim ve Teknoloji Dergisi, vol. 12, no. 2, pp. 745-761, 2024. DOI: https://doi.org/10.29130/dubited.1236072.
  3. Cilia, N. D., De Gregorio, G., De Stefano, C., Fontanella, F., Marcelli, A., & Parziale, A. (2022). Diagnosing Alzheimer’s disease from on-line handwriting: A novel dataset and performance benchmarking. Engineering Applications of Artificial Intelligence, 111, 104822.
  4. C. Öztürk, M. Taşyürek, and S. Aydın, "MR Görüntülerinde Evrişimli Sinir Ağlar Kullanılarak Alzheimer Hastalık Tespiti," Erciyes Üniversitesi Fen Bilimleri Enstitüsü Fen Bilimleri Dergisi, 2023. doi: dergipark.org.tr/tr/pub/erciyesfen/issue/82292/1251517.
  5. B. Ergen, M. Durmuş, and M. Sertkaya, "Detection of early stage Alzheimer's disease in gradient-based MR images using deep learning methods," Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, 2024. doi: 10.28948/ngumuh.1390830.
  6. N. Asha, "Breast Cancer Data Augmentation with Detection Using CNN Model in Deep Learning," Lecture Notes in Electrical Engineering, 2025. doi: 10.1007/978-981-97-6710-6_26.
  7. G. Dextre, C. Castañón, and F. Ancco, "Spanish Historical Handwritten Text Recognition with Deep Learning," Communications in Computer and Information Science, 2025. doi: 10.1007/978-3-031-91428-7_23.
  8. Y. Dhawal, B. Chaurasia, S. Bajpai, S. Gupta, S. Tiwari, and S. Tiwari, "Alzheimer Detection Using Optimized CNN Model," Lecture Notes in Networks and Systems, 2025. doi: 10.1007/978-981-96-0185-1_28.

Details

Primary Language

English

Subjects

Artificial Intelligence (Other)

Journal Section

Research Article

Publication Date

June 30, 2026

Submission Date

December 17, 2025

Acceptance Date

May 12, 2026

Published in Issue

Year 2026 Volume: 15 Number: 2

APA
Akyürek Anacur, C., Günay Yılmaz, A., & Dizdaroğlu, B. (2026). Deep Learning-Based Classification of Handwriting Data: A Multi-Representation Approach For Alzheimer’s Disease. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi, 15(2), 915-927. https://doi.org/10.17798/bitlisfen.1843864
AMA
1.Akyürek Anacur C, Günay Yılmaz A, Dizdaroğlu B. Deep Learning-Based Classification of Handwriting Data: A Multi-Representation Approach For Alzheimer’s Disease. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi. 2026;15(2):915-927. doi:10.17798/bitlisfen.1843864
Chicago
Akyürek Anacur, Cansu, Asuman Günay Yılmaz, and Bekir Dizdaroğlu. 2026. “Deep Learning-Based Classification of Handwriting Data: A Multi-Representation Approach For Alzheimer’s Disease”. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi 15 (2): 915-27. https://doi.org/10.17798/bitlisfen.1843864.
EndNote
Akyürek Anacur C, Günay Yılmaz A, Dizdaroğlu B (June 1, 2026) Deep Learning-Based Classification of Handwriting Data: A Multi-Representation Approach For Alzheimer’s Disease. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi 15 2 915–927.
IEEE
[1]C. Akyürek Anacur, A. Günay Yılmaz, and B. Dizdaroğlu, “Deep Learning-Based Classification of Handwriting Data: A Multi-Representation Approach For Alzheimer’s Disease”, Bitlis Eren Üniversitesi Fen Bilimleri Dergisi, vol. 15, no. 2, pp. 915–927, June 2026, doi: 10.17798/bitlisfen.1843864.
ISNAD
Akyürek Anacur, Cansu - Günay Yılmaz, Asuman - Dizdaroğlu, Bekir. “Deep Learning-Based Classification of Handwriting Data: A Multi-Representation Approach For Alzheimer’s Disease”. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi 15/2 (June 1, 2026): 915-927. https://doi.org/10.17798/bitlisfen.1843864.
JAMA
1.Akyürek Anacur C, Günay Yılmaz A, Dizdaroğlu B. Deep Learning-Based Classification of Handwriting Data: A Multi-Representation Approach For Alzheimer’s Disease. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi. 2026;15:915–927.
MLA
Akyürek Anacur, Cansu, et al. “Deep Learning-Based Classification of Handwriting Data: A Multi-Representation Approach For Alzheimer’s Disease”. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi, vol. 15, no. 2, June 2026, pp. 915-27, doi:10.17798/bitlisfen.1843864.
Vancouver
1.Cansu Akyürek Anacur, Asuman Günay Yılmaz, Bekir Dizdaroğlu. Deep Learning-Based Classification of Handwriting Data: A Multi-Representation Approach For Alzheimer’s Disease. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi. 2026 Jun. 1;15(2):915-27. doi:10.17798/bitlisfen.1843864

Bitlis Eren University

Journal of Science Editor

Bitlis Eren University Graduate Institute

Bes Minare Mah. Ahmet Eren Bulvari, Merkez Kampus, 13000 BITLIS

E-mail: fbe@beu.edu.tr