Magister Scientiae - MSc (Computer Science)

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Handwritten alphabet character recognition using audio signatures and machine learning
(University of the Western Cape, 2023) Beck, Bruce; Ghaziasgar, Mehrdad
This research investigates the creation of an audio-based character recognition system that is able to segment, process and recognise uppercase English letters continuously drawn by the user on a given writing surface such as a table-top using a generic writing implement. The aim is to make use of the microphones on a single smartphone to capture the acoustic signal generated by the user as they draw letters on the writing surface, followed by the application of audio segmentation to subdivide the audio signal into segments corresponding to each letter, and finally the application of a combination of the Mel-Frequency Cepstral Coefficients feature descriptor and Support Vector Machines to recognise the segmented letters.