Balkan Journal of Electrical and Computer Engineering

2147-284X 2147-284X

MUSA YILMAZ

10.17694/bajece.651435

Computer Software

Bilgisayar Yazılımı

A Novel Approach for Copy-move Forgery Detection using Bilateral Filtering

https://orcid.org/0000-0002-4156-9098

Karabey Aksakallı

İşıl

ERZURUM TEKNİK ÜNİVERSİTESİ

https://orcid.org/0000-0002-4740-3259

Kaplan

Nur Hüseyin

ERZURUM TEKNİK ÜNİVERSİTESİ

https://orcid.org/0000-0003-4092-3785

Kılıç

Uğur

ERZURUM TEKNİK ÜNİVERSİTESİ

https://orcid.org/0000-0002-2225-6379

Erer

İşın

İSTANBUL TEKNİK ÜNİVERSİTESİ

04 30 2020

8 2 114 120 11 27 2019 02 06 2020

2013

Balkan Journal of Electrical and Computer Engineering

Digital image processing methods have a wide area of usage and their complexity is increasing, as well as the tampering methods. A widely used tampering method is copy-move forgery. In this study, a hybrid method combining the DCT and Bilateral filtering is developed. In this method, first overlapping blocks are obtained from the input image. Then, bilateral filtering and DCT of these blocks are multiplied to obtain the refined block features. The block features are scanned by a zig-zag process followed by a lexicographic sorting. Finally, a similarity detection by a predetermined threshold parameter is applied to detect the forgery. Both visual and quantitative results demonstrated that the proposed method can determine the copy-move forgery regions.

copy-move forgery bilateral filtering zigzag scanning DCT (Discrete Cosinus Transformation

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