Performance Evaluation of Image Encryption Using Separable Reversible Data Hiding Scheme
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 1
Abstract
Image Encryption has a significant role in the field of cryptography. In the proposed scheme compression technique is introduced after the encryption and data hiding process to reduce the image size for faster transmission. Encryption scheme, two separate keys are used for image encryption and data hiding with high degree of security to protect an image from unauthorized access. The content owner encrypts the original uncompressed image using an encryption key. The least significant bits (LSBs) of the encrypted image are compressed using a data hiding key to create a space to embed an additional data. Run - Length Coding (RLC) and Haar Wavelet compression technique is employed. At the receiver end, quality of image retrieval and data extraction are achieved only from RLC with their respective keys. Extracted image quality is analyzed by conventional and subjective metrics index are measured. Image Quality Assessment (IQA) technique shows the quality of retrieved image is same as that of the original image.
Authors and Affiliations
Smitha M, Karthik V. J
Keywords
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