javanese character feature extraction based on shape energy

Clicks: 72
ID: 211781
2017
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Abstract
Javanese character is one of Indonesia's noble culture, especially in Java. However, the number of Javanese people who are able to read the letter has decreased so that there need to be conservation efforts in the form of a system that is able to recognize the characters. One solution to these problem lies in Optical Character Recognition (OCR) studies, where one of its heaviest points lies in feature extraction which is to distinguish each character. Shape Energy is one of feature extraction method with the basic idea of how the character can be distinguished simply through its skeleton. Based on the basic idea, then the development of feature extraction is done based on its components to produce an angular histogram with various variations of multiples angle. Furthermore, the performance test of this method and its basic method is performed in Javanese character dataset, which has been obtained from various images, is 240 data with 19 labels by using K-Nearest Neighbors as its classification method. Performance values were obtained based on the accuracy which is generated through the Cross-Validation process of 80.83% in the angular histogram with an angle of 20 degrees, 23% better than Shape Energy. In addition, other test results show that this method is able to recognize rotated character with the lowest performance value of 86% at 180-degree rotation and the highest performance value of 96.97% at 90-degree rotation. It can be concluded that this method is able to improve the performance of Shape Energy in the form of recognition of Javanese characters as well as robust to the rotation.
Reference Key
wibowo2017emitter:javanese Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Galih Hendra Wibowo;Riyanto Sigit;Aliridho Barakbah
Journal plos neglected tropical diseases
Year 2017
DOI
10.24003/emitter.v5i1.175
URL
https://emitter.pens.ac.id/index.php/emitter/article/view/175
Keywords
engineering (general) civil engineering (general)

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