Devil’s Vortex Phase Structure as Frequency Plane Mask for Image Encryption Using the Fractional Mellin Transform
Figure 3
(a) Arbitrary Input grayscale image Lena with 256 × 256 pixels. (b) Annular domain image with center position , and the inner and outer radii are [30]. (c) The fractional Mellin transformed amplitude image of order 0.3 in both directions.
