Analysis Of Watermarked Images Using Steganography

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ANALYSIS OF WATERMARKED IMAGES USING STEGANOGRAPHY BY MEANS OF ENCRYPTION AND DECRYPTION PROCESS
Priyanka Malvi1Anubhav Sharma2
Address for correspondence
1M Tech scholar, Department of Computer science engineering, Acropolis Institute of Tech.& Research Bhopal, M.P., India 2Assistant Professor, Department of Computer Science Engineering Acropolis Institute of Tech.& Research Bhopal, M.P., India
1Email id:priyankas1829@gmail. Contact No.: 9406258135
2Email id:,Hodit.aitr@gmail.com
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ABSTRACT

Watermarking is the process of embedding new data into image, audio or video. Digital Watermarking technique is used to hide a secret or personal message to protect a products copyright or to demonstrate data integrity. To provide double protection, after the watermarking process, the watermarked image tends to go through an encryption process using CHAKRA – symmetry key encryption algorithm which encrypts the data with the concepts of Cartesian coordinate geometry and circle generation. In this paper, we perform watermarking on different types of images like BMP, JPEG etc.., and the input image is pre-processed and converted into JPEG-LS format which contains enhanced quality.

Keywords : JPEG Steganography, uniform embedding, distortion function design.________________________________________

1.INTRODUCTION

Digital Watermarking technique is used to hide a small image in jpeg, jpg, bmp image of data in a digital signal in such a way
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