A Secure and Verifiable Color Visual Cryptography Scheme with LSB Based Image Steganography

A secure and verifiable color visual cryptography has becoming an important field of study in recent development of visual cryptography. In recent era there is a need of security and verifiability of shares.This research paper introduce the new secure and verifiable color secrete sharing scheme which identifies and analyses cheating while presenting the share. Integrity and reliability of share is identified before superimposition of share to revel the original secrete image. Secrete and verification image of size n x n are used for creating two shares then created shares are embedded into two cover images using LSB (Least Significant Bit) based stenography to create the meaningful and stenographic shares. Color channel decomposition and Jarvis half toning method is applied on each color channel of RGB secrete and verification image for creation of shares. Method proposed eliminates the problem such as explicit requirement of codebook design, pixel expansion, and poor visual quality of reconstructed images. Structural Similarity(SS) and Mean Square Error(MSE) measures of original verification image with revealed verification image verifies the soundness and originality of the secrete. The method also compares the result with previously proposed method; experimental results and statistical analysis are used to prove the efficiency of the method proposed.