Analysis of encrypted images using discrete fractional transforms viz. DFrFT, DFrST and DFrCT

Recent innovations and advancements in encryption technology not only increases the security of information but also improves the quality of algorithms. Several Techniques have already been introduced and in this frame of reference the distinct fractional orders of Fourier Transform are very current elevations in this domain. Here the article gives comparison on three techniques viz. DFrFT, DFrST and DFrCT. To compare and validate the methods, the computer simulations are withal presented with MSE and PSNR across the actual and the decoded images for each method.