Perbandingan Algoritma Template Matching Dan Feature Extraction Pada Optical Character Recognition

Bahri, Raden Sofian (2011) Perbandingan Algoritma Template Matching Dan Feature Extraction Pada Optical Character Recognition. Other thesis, Universitas Komputer Indonesia.

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Abstract

Algoritma template matching merupakan metode yang sederhana danbr /

banyak digunakan untuk mengenali pola. Kelemahan algoritma ini adalahbr /

terbatasnya model yang akan dijadikan template sebagai pembanding pada basisbr /

data seperti bentuk, ukuran, dan orientasi. Algoritma feature extraction menjawabbr /

masalah model template seperti bentuk, ukuran, dan orientasi yang ada padabr /

algoritma template matching dengan cara memetekan ciri-ciri objek citra yangbr /

akan dikenali.br /

Optical character recognition digunakan untuk menerjemahkan karakterbr /

pada citra digital menjadi format teks. Penerapannya yang sederhana membuatbr /

algoritma template matching banyak digunakan dalam OCR[1].br /

Berdasarkan hasil pengujian, algoritma template matching memilikibr /

persentase akurasi rata-rata 29.459%, sedangkan algoritma feature extractionbr /

memiliki persentase akurasi rata-rata 63.602%. Algoritma feature extractionbr /

memiliki peluang yang besar untuk dikembangkan terutama untuk pemetaan ciriciribr /

khusus citra dibandingkan algoritma template matching yang hanyabr /

memetakan intensitas pixel dalam OCR. Kompleksitas kedua algoritma diukurbr /

dengan menghitung jumlah operasi dasar kedua algoritma. Algoritma featurebr /

extraction memiliki tingkat kompleksitas yang sama dengan algoritma templatebr /

matching yaitu 2n+1. Agloritma feature extraction membutuhkan enam prosesbr /

untuk memetakan dan mengenali fitur citra karakter, sedangkan algoritmabr /

template matching hanya membutuhkan tiga proses untuk memetakan intensitasbr /

pixel dan menghitung nilai eror minimum. Algoritma template matchingbr /

membutuhkan waktu rata-rata 180.743 detik untuk mengenali dokumen uji.br /

Sedangkan algoritma feature extraction membutuhkan waktu rata-rata 5.117br /

detik terhadap dokumen uji.br /

Berdasarkan akurasi, pengembangan, dan waktu, algoritma featurebr /

extraction lebih unggul dibandingkan algoritma template matching pada OCR.

Template matching algorithm is a simple method and most used in patternbr /

recognition. Weakness of this algorithm is limitted model that used to be templatebr /

as conqueror in database like shape, size, and orientation. Feature extractionbr /

algorithm solve model template problem like shape, size, and oritentation inbr /

template matching algorithm by map the feature of object that will be recognize.br /

Optical character recognition use to translate character in digital imagebr /

into text format. Template matching is method that most used un OCR because ofbr /

simplixity [1].br /

Based on test result, template matching algorithm have 29.459% inbr /

accuracy, while feature extraction algorithm have 63.602% in acccuracy.br /

Feature extraction algorithm has chance to develop especially in a featurebr /

mapping of digital image than template matching algorithm which only mappbr /

pixel intensity in OCR. Complexity of both algorithm is measured by count basicbr /

opetation. Feature extraction algorithm has same complexity with templatebr /

matching algorithm where complexity is 2n+1. Feature extraction algorithm needbr /

six process to mapp and recognize the feature, template matching algorithm needbr /

three process to map the pixel intensity and count minimum eror value. Templatebr /

matching algorithm need 180.743 seconds to recognize document that test to thebr /

system. Feature extraction algorithm need 5.117 seconds to rexognize testbr /

document.br /

Based on accuracy, development, and time, feature extraction algorithm is betterbr /

than template matching algorithm in OCR.

Item Type: Thesis (Other)
Additional Information: Migrasi dari GDL. Identifier: jbptunikompp-gdl-radensofia-26801. Folder: S1-Final_Project / Fakultas_Teknik_dan_Ilmu_Komputer / Teknik_Informatika / 2011
Uncontrolled Keywords: Optical character recognition, Template matching, dan Feature extraction
Divisions: S1 Skripsi > Teknik Informatika
Depositing User: Robot Migration
Date Deposited: 05 Nov 2026 09:10
Last Modified: 05 Nov 2026 09:10
URI: https://elibrary.unikom.ac.id/id/eprint/38151

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