Fractional Differential Texture Descriptors Based on the Machado Entropy for Image Splicing Detection

Entropy

Rabha W. Ibrahim³  Zahra Moghaddasi¹  Hamid A. Jalab¹  Rafidah Md Noor¹  J. A. Tenreiro Machado² 

[1] Faculty of Computer Science and Information Technology, University of Malaya, 50603 Kuala Lumpur, Malaysia; E-Mails:;Institute of Mathematical Sciences, University of Malaya, 50603 Kuala Lumpur, Malaysia; E-Mail;Institute of Mathematical Sciences, University of Malaya, 50603 Kuala Lumpur, Malaysia; E-Mail:

关键词: fractional differential;    Machado entropy;    image splicing;    feature extraction;    dimension reduction;    support vector machine;   

DOI  :  10.3390/e17074775

来源: mdpi

【 摘 要 】

Image splicing is a common operation in image forgery. Different techniques of image splicing detection have been utilized to regain people’s trust. This study introduces a texture enhancement technique involving the use of fractional differential masks based on the Machado entropy. The masks slide over the tampered image, and each pixel of the tampered image is convolved with the fractional mask weight window on eight directions. Consequently, the fractional differential texture descriptors are extracted using the gray-level co-occurrence matrix for image splicing detection. The support vector machine is used as a classifier that distinguishes between authentic and spliced images. Results prove that the achieved improvements of the proposed algorithm are compatible with other splicing detection methods.

【 授权许可】

CC BY   
© 2015 by the authors; licensee MDPI, Basel, Switzerland