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Journal : International Journal of Electrical and Computer Engineering

Implementation of Dynamic Time Warping Method for the Vehicle Number License Recognition Made Sudarma; Sri Ariyani
International Journal of Electrical and Computer Engineering (IJECE) Vol 4, No 2: April 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

In the era of information technology vehicle numbers identification needs to be done by system automatically. Therefore, the accuracy of the data is well documented and work porses identification can be done quickly. Motor vehicle license recognition is a recognition system by comparing character feature in license plate with reference feature which exists in database. This system uses chain code method and template matching to extract character feature in license plate’s image. Feature extraction with chain code method will result in an array of direction codes which stored in dynamic array, which stored in dynamic array. In this application test feature will be matched with feature stored in database using dynamic time warping method (DTW) to obtain a distance value between test feature and reference feature, the smaller the distance obtained shows that both the features are more similar. The result of this system is the recognition of each character in license plate’s image. In this study, samples of license plate’s images are tested with the number of research objects. From the study feature extraction is obtained with template matching method provides better success rate compared to feature extraction with chain code method, where the success rate of feature extraction with template matching method is at 78% whereas feature extraction with chain code method is at 68%.DOI:http://dx.doi.org/10.11591/ijece.v4i2.5169
Aligner Tones Software Improve Measurement Precision In The Process of Balinese Gamelan Made Sudarma; Ni Wayan Sri Ariyani; I Nyoman Adiputra
International Journal of Electrical and Computer Engineering (IJECE) Vol 3, No 1: February 2013
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (152.059 KB)

Abstract

In the making process of Balinese gamelan, the tone arrangement highly depends on aligner sense and feeling which generally performed by the gamelan’s craftsman himself. Each aligner has his way of aligning with different standard of tone. Tunings process is still based on the sensitivity of the ear and the feelings of the gamelan craftsmen so that the precision of tone can not be achieved. The unavailable of a standard measuring instruments tone used in the tuning process lead to the production process gamelan in Bali takes a long time. To solve these problems, a study conducted by utilizing information technology in the computer - software engineering approach.Besides, to anticipate the limitation of human resources in the field of alignment and to maintain the consistency of the gamelan’s tone in the long period of time it is in need for the touch of information technology in the form of software. The software to analyze the frequency of gamelan’s base tone in order to get the result of the tone in the strip of gamelan which is measurable and in accordance with the expectation. The software is intended will be able to perform the test tone as desired by the buyer. Thus the tone of the achievements obtained quickly, accurately correspond to the reference tone. It also means that the program contributed significantly to the preservation of Balinese culture can be done.DOI:http://dx.doi.org/10.11591/ijece.v3i1.1481