Image Watermarking

Image Watermarking using Discrete Cosine Transformation on MATLAB.

Getting Started

How to use

git clone https://github.com/aakashjhawar/Image-Watermarking.git
cd Image-Watermarking

(Execute the main.m file)

Discrete Cosine Transformation

You can read about DCT2 here.

Prerequisites

• MATLAB
• Simulink

Procedure

Watermarking-

Dewatermarking-

Working

Original Image & Logo-

Watermarked Image & its comparision-

The white part represent that there is difference between Original image and watermarked image.

Dewatermarked Image & its comparision-

The all black part represent that there is no difference between Original image and watermarked image.

Comparision between different images-