Method
VipsImagehist_entropy
Declaration [src]
int
vips_hist_entropy (
VipsImage* in,
double* out,
...
)
Description [src]
Estimate image entropy from a histogram. Entropy is calculated as:
-sum(p * log2(p))
where p is histogram-value / sum-of-histogram-values.
This method is not directly available to language bindings.