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- Title
Metode High-Pass Filter Dan Fast Fourier Transform Untuk Perbaikan Citra Telapak Tangan.
- Authors
Furqan, Mhd; Sriani; Ramadhan Tanjung, Muhammad Akbar
- Abstract
Palms are often used as research sources in the biometric system because they have characteristics such as fingerprints. Moreover, palms are also easy to acquire and can be obtained from an image that has a low resolution. Sometimes, however an image of the palm will be subject to drop in quality. For that goes a stage known as image enhancement, Where it's area the first stage of the digital image processing. In this study the use of methods in image enhancement was focused on sharpening a palm image using high pass filters and fast Fourier transform filters, where previously the image has been refined using a histogram equalization to enhance the contrast to the palm image. After testing 30 samples image. By judging an error on MSE and PSNR from reconstructive images, testing shows that coefficient use of a HPF with K=1 produces a better image where the average value of MSE=7.064544(dB) and PSNR=40,01314(dB) instead of using a high-pass filter with coefficients K=0. Whereas for on FFT using the ideal high-pass filter (IHPF) it was able to generate better reconstruction images with equal value of MSE=9.354056(dB) and PSNR=38.537046(dB) than using a butterworth high-pass filter (BHPF) and a gaussian high-pass filter (GHPF).
- Subjects
IMAGE enhancement (Imaging systems); HIGHPASS electric filters; FAST Fourier transforms; DIGITAL image processing; IMAGE intensifiers; IMAGE reconstruction; PALMS
- Publication
Techno.com, 2021, Vol 20, Issue 4, p602
- ISSN
1412-2693
- Publication type
Article
- DOI
10.33633/tc.v20i4.5262