Local Contrast Enhancement Utilizing Bidirectional Switching Equalization of Separated and Clipped Subhistograms

Figure 2

Enhanced versions of Image 1 by using LCE-BSESCS of different filter sizes.

(a) Filter size 3 × 3

(b) Filter size 5 × 5

(c) Filter size 9 × 9

(d) Filter size 17 × 17

(e) Filter size 33 × 33

(f) Filter size 65 × 65

(g) Filter size 129 × 129

(h) Filter size 257 × 257

(i) Filter size 513 × 513