A Variable Order Fractional Differential-Based Texture Enhancement Algorithm with Application in Medical Imaging
Fig 16
Comparison of texture details between an original fractional anisotropy weighted orientation map and its fractional differential using YiFeiPU-2, FCD-1 and VOFCD and (0.25, 0.74.0.01) for the weights.
(a) Original image, (b) 0.5–order YiFeiPU-2 with mask 5 × 5, (c) 0.5–order FCD-1 with mask 5 × 5, (d) VOFCD with mask 5 × 5.