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This paper presents a system for a design and implementation of Optical Arabic Braille Recognition(OBR) with voice and text conversion. The implemented algorithm based on a comparison of Braille dot position extraction in each cell with the database generated for each Braille cell. Many digital image processing have been performed on the Braille scanned document like binary conversion, edge detection,...
This paper presents a system for using heart sound as a physiological biometric signature based on energy percentage in each wavelet coefficients. An electronic stethoscope designed and implemented by the authors is used to record more than 30 heart sound and for each recording a signature is calculated. The signature is calculated during one heart cycle by calculating the total energy for each wavelet...
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