Image Watermarking Algorithm in Frequency Domain: A Review of Technical Literature

During the past decades, different solutions were proposed by researchers in order to protect the digital multimedia data against unauthorized duplication, distribution and manipulation of the multimedia data. Therefore one of the effective solutions of this problem is digital watermarking, which refers to a process of embedding code or some other information to proof the ownership of the data into digital image without affecting its visual quality. This paper presents a review on different digital image watermarking algorithms in frequency domain