Gray-Level Image Transformation of Paved Road Cracks with Metaphorical and Computational Analysis

Figure 7

The power-law transform with different gamma values. (a) True color original image. (b) Converted gray image. (c) Gamma value 0.5. (d) Gamma value 0.7. (e) Gamma value 0.9. (f) Gamma value 1. (g) Gamma value 2. (h) Gamma value 3. (i) Gamma value 4. (j) Gamma value 5. (k) Gamma value 6.

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