Vips.Image.hist_norm (original) (raw)

Method

Vips Imagehist_norm

Declaration [src]


int
vips_hist_norm (
  VipsImage* in,
  VipsImage** out,
  ...
)

Description [src]

Normalise histogram. The maximum of each band becomes equal to the maximum index, so for example the max for a uchar image becomes 255. Normalise each band separately.

This method is not directly available to language bindings.

Parameters

out

Type: VipsImage

Output image.

The argument will be set by the function.
The caller of the method takes ownership of the returned data, and is responsible for freeing it.

...

Type: ``

NULL-terminated list of optional named arguments.

Return value

Type: int

0 on success, -1 on error.