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Dzelle Faith R Tan
University of the City of Manila
Electrical & Electronics Engineering

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An Enhancement of Harris Corner Detector Algorithm Applied in Signature Forgery Detection System Dzelle Faith R Tan; Pauline Regina J Obispo; Jonathan C Morano; Khatalyn E Mata
Proceeding of the International Conference on Electrical Engineering and Informatics Vol. 1 No. 1 (2024): January : Proceeding of the International Conference on Electrical Engineering
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/iceei.v1i1.27

Abstract

Signature verification is crucial for confirming the authenticity of identities in both administrative and financial transactions, where signature forgery can lead to significant security risks. The Harris Corner Detector Algorithm is a widely used method for feature extraction in image processing; its application spans various domains, such as detection of signature forgery. While effective in identifying key features, noise significantly affects performance, especially with impulse noise like salt-and-pepper noise commonly found in signature images. To solve this problem, this study enhances the Harris Corner Detector Algorithm by applying a median filter before gradient calculation. This method removes noise without sacrificing the integrity of key features important in signature forgery detection. The study evaluates the original and the enhanced algorithm using standard image quality metrics. Peak Signal-to-Noise Ratio (PSNR) surged from an average of 13.6 dB to 43.28 dB, the Structural Similarity Index (SSIM) improved significantly from 78% to 94%, and the Mean Squared Error (MSE) dropped substantially from 16.74 to 3.84. These advancements resulted in a more reliable algorithm, exhibiting excellent resistance to noise while maintaining image structure, making the enhanced algorithm highly effective for accurate signature forgery detection.
Co-Authors Jonathan C Morano Khatalyn E Mata Pauline Regina J Obispo