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

Figure 6

Image 9 and its enhanced versions.

(a) Image 9

(b) Enlarged version from (a)

(c) Histogram of (a)

(d) Result from GHE

(e) Enlarged version from (d)

(f) Histogram of (d)

(g) Result from BOHE

(h) Enlarged version from (g)

(i) Histogram of (g)

(j) Result from CLAHE

(k) Enlarged version from (j)

(l) Histogram of (j)

(m) Result from LCE-BSESCS

(n) Enlarged version from (m)

(o) Histogram of (m)