Vips.Image.hist_match (original) (raw)

Method

Vips Imagehist_match

Declaration [src]


int
vips_hist_match (
  VipsImage* in,
  VipsImage* ref,
  VipsImage** out,
  ...
)

Description [src]

Adjust in to match ref. If in and ref are normalised cumulative histograms, out will be a LUT that adjusts the PDF of the image from which in was made to match the PDF of ref‘s image.

This method is not directly available to language bindings.

Parameters

ref

Type: VipsImage

Reference histogram.

The data is owned by the caller of the method.

out

Type: VipsImage

Output histogram.

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.