An Image Enhancement Algorithm Based on Fractional-Order Phase Stretch Transform and Relative Total Variation

Figure 3

Comparison of edge detection test results under different values of (X) Y, S, and (W). (a) X = 0.5, Y = 0.5, S = 0.8, W = 1.0. (b) X = 0.8, Y = 0.5, S = 1, W = 15. (c) X = 0.8, Y = 0.8, S = 15, W = 1. (d) X = 1, Y = 1, S = 1.2, W = 15.

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