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A Comparison of Demographic Attributes Detection from Handwriting Based on Traditional and Deep Learning Methods.
Conference proceeding

A Comparison of Demographic Attributes Detection from Handwriting Based on Traditional and Deep Learning Methods.

Fahimeh Alaei and Alireza Alaei
Document Analysis and Recognition – ICDAR 2023 Workshops: San José, CA, USA, August 24–26, 2023, Proceedings, Part II, pp.167-179
Document Analysis and Recognition – ICDAR 2023 Workshops (San José, California, 24/08/2023–26/08/2023)
08/2023
DOI: https://doi.org/10.1007/978-3-031-41501-2_12

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Abstract

Demographic Attributes Detection Models Handwritten Document Images Rank Transform ResNet Architecture
Analyzing handwritten documents and detecting demographic attributes of writers from handwritten samples has received enormous attention from various fields of research, including psychology, computer science and artificial intelligence. Automatic detection of age, gender, handedness, nationality, and qualification of writers based on handwritten documents has several real-world applications, such as forensics and psychology. This paper proposes two simple but effective methods to detect the demographic information of writers from offline handwritten document images. The proposed methods are based on traditional and deep learning approaches. In the traditional machine learning method, the Rank Transform feature extraction method is used for measuring the intensity in handwriting images. The extracted handcrafted features are then fed into Support Vector Machine based classifiers to predict the demographical attributes of writers. In the deep learning method, a Convolutional Neural Network model based on the ResNet architecture with a fully connected layer, followed by a softmax layer is used to provide probability scores to facilitate demographic information detection. To evaluate the proposed methods and compare the results with the results in the literature, a comprehensive set of experiments was conducted on a frequently used benchmark database, KHATT. Both methods performed relatively well in predicting different demographic attributes. However, considering the settings in our experiments, the results obtained from the traditional model indicated better demographic detection compared to the deep learning models in all the tasks.

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