Enhanced Secure Discrete Wavelet Transform Steganography for Color Images 🔒

Steganography is the art of hiding private or sensitive information within a carrier that for all intents and purposes, appears safe. The main objectives of Steganography are undetectability, robustness i.e resistance to various image processing methods and compression and capacity of the hidden data. Based on these factors steganography separates from related techniques such as watermarking and cryptography. The steganographic technique for the color image is used in the design. The true color cover image and the true color secret image both are decomposed into three separate color planes namely R, G and B. Each plane of the images is decomposed into four sub-bands using DWT. Each color plane of the secret image is hidden by the alpha blending technique in the corresponding subbands of the respective color planes of the original image. During embedding, the secret image is dispersed within the original image depending upon the alpha value. The extraction of the secret image varies according to the alpha value. In this project, a new Steganographic method for transmitting images based on discrete wavelet transform is proposed using technique 2-level wavelet decomposition at four levels-LL, LH, HL, and HH

Proposed System.
Home page to Login Page
1. Page of EMBEDDING-Alice
Alice has to press on push button to upload the cover image then it will be shown in axis 1. then he will write the secret text in a Textbox And enter the key of encryption to be embedded in the cover image using another button the stego image will be shown in axis 2.
2. Results for PSNE, MSE, Entropy, and Capacity
3. Transmission can be done by saving the image in a shared file.
4. Page of extraction, Alice has to upload the cover image, it will be shown in the axis then he has to enter the key to get the extracted secret text.

Reference Papers

1.A Novel Approach of Color Image Hiding using RGB Color planes and DWT
2. A Discrete Wavelet Transform a Steganographic Method for Transmitting Images

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