Method
VipsImagespectrum
Declaration [src]
int
vips_spectrum (
VipsImage* in,
VipsImage** out,
...
)
Description [src]
Make a displayable (ie. 8-bit unsigned int) power spectrum.
If in is non-complex, it is transformed to Fourier space. Then the
absolute value is passed through vips_scale() in log mode, and
vips_wrap().
::: seealso
vips_fwfft(), vips_scale(), vips_wrap().
Parameters
out |
VipsImage |
Output image. |
|
| The argument will be set by the function. | |
| The instance takes ownership of the data, and is responsible for freeing it. | |
... |
none |
|