PENINGKATAN KUALITAS KECERAHAN CITRA MENGGUNAKAN LOGIKA SAMAR DAN ALGORITMA HARMONY SEARCH

PRATAMA, MADA and Fachrurrozi, Muhammad and Arsalan, Osvari (2019) PENINGKATAN KUALITAS KECERAHAN CITRA MENGGUNAKAN LOGIKA SAMAR DAN ALGORITMA HARMONY SEARCH. Undergraduate thesis, Sriwijaya University.

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Abstract

One of the problems in capturing image is unideal brightness level, e.g. too dark (underexposed) or too bright (overexposed). The solution is by performing an image ehancement. Most image enhancement methods can only solve one of these problems. In this research, fuzzy logic and Harmony Search Algorithm is applied to solve the problem of image with dynamic brightness. Hue, saturation, and value (HSV) color space is used because only S and V that need to be processed, while H will be preserved. The fuzzy logic used in this research is Gaussian membership function which is used to fuzzify the V of an image. HSA is used to optimize a parameter in Sigmoid function to obtain an optimum enhancement result. The result shows success in enhancing images with low, high, and dynamic brightness based on assessment of 45 respondents although the ehanced images show insignificant change.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: image enhancement, HSV, Gaussian membership function, sigmoid function, HSA
Subjects: T Technology > T Technology (General) > T1-995 Technology (General)
T Technology > T Technology (General) > T57-57.97 Applied mathematics. Quantitative methods
Divisions: 09-Faculty of Computer Science > 55201-Informatics (S1)
Depositing User: Mada Pratama
Date Deposited: 01 Aug 2019 04:26
Last Modified: 01 Aug 2019 04:26
URI: http://repository.unsri.ac.id/id/eprint/1356

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