Certain investigations on medical image encryption and compression

Abstract

Transferring a medical image from one place to another place newlineor storing a medical image in a particular place in a secure manner has newlinebecome a challenge To overcome this secure medical image Lossless newlineCompression LC schemes have been proposed newlineThe original input grayscale medical images are encrypted by newlineTailored Visual Cryptography Encryption Process TVCE which is a newlineproposed encryption system To generate these encrypted images four newlinetypes of processes are adopted which play a vital role These processes newlineare Splitting Process Converting Process Pixel Process and Merging newlineprocess The encrypted medical image is compressed by three proposed newlinecompression algorithms ie Pixel Block Short algorithm PBSA newlineModified 4Bit Run Length Encoding RLE and Modified 8Bit Run newlineLength Encoding RLE along with these compression algorithms two newlineof the conventional Lossless Compression LC algorithms have been newlineadopted RLE and JPEG 2000LS newline newline