PENGENALAN POLA PADA CITRA DIGITAL DENGAN FITUR MOMEN INVARIANT
DOI:
https://doi.org/10.30872/jim.v7i1.84Abstract
Objek dapat ditemui dimana saja, termasuk komputer yang berupa teks, citra digital, audio maupun film. Suatu objek pada citra digital dapat berupa bentuk geometri, bentuk benda-benda sederhana maupun kompleks, teks, tanda tangan, wajah dan lain-lain. Untuk dapat mengenali objek pada komputer khususnya pada citra digital dibutuhkan suatu sistem pengenalan pola. Pengenalan pola merupakan sistem pengenalan terhadap suatu objek, dimana objek yang dimaksud dapat berupa citra digital. Pada penelitian ini terdapat dua proses utama yang dilakukan, yaitu proses ekstraksi fitur dan proses pengenalan pola. Proses ekstraksi fitur bertujuan untuk membentuk fitur objek yang menjadi ciri dari suatu objek, dimana fitur yang digunakan pada penelitian ini adalah fitur momen invariant. Sedangkan proses pengenalan pola bertujuan untuk mengenali atau mengelompokkan suatu objek berdasarkan ciri yang dimiliki oleh objek tersebut. Pada penelitian ini menggunakan delapan objek yang berbeda, dimana uji coba dilakukan dengan melakukan perubahan terhadap objek dengan melakukan proses rotasi, refleksi horisontal dan vertikal pada setiap objek. Dari keseluruhan hasil uji coba yang dilakukan menghasilkan persentase kebenaran mencapai 100%, hal ini membuktikan bahwa fitur momen invariant tahan terhadap adanya perubahan tersebut.
References
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