Two-Level Singular Value Decomposition Analysis in Color Image Watermarking Process

Abstract

The process of watermarking the image at this time is a necessity, especially related to the copyright of an image that may be circulating on the internet in the digital era today. Two-Level Singular Value Decomposition is a method used to check the color composition of an image and can be seen whether there has been a change (insertion) of a message in the image. Tests carried out by the insertion process, the extraction of messages is known to the difference with pretty good results.