IM_DE_FROMDISP
Section: C Library Functions (3)
Updated: 2 December 1992
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NAME
im_dE_fromdisp, im_dE_fromXYZ, im_dECMC_fromdisp - derived colour difference
functions
SYNOPSIS
#include <vips/vips.h>
im_dE_fromdisp( in1, in2, out, display )
IMAGE *in1, *in2, *out;
struct im_col_display *display;
int im_dE_fromXYZ(in, out)
IMAGE *in, *out;
im_dECMC_fromdisp( in1, in2, out, display )
IMAGE *in1, *in2, *out;
struct im_col_display *display;
DESCRIPTION
These functions are built on the basic VIPS colour difference measurements as a
convenience for the programmer. See im_dE_fromLab(3) for an explanation of the
colour difference metrics and the basic comparision functions.
RETURN VALUE
The functions return 0 on success and -1 on error.
SEE ALSO
im_col_XYZ2rgb(3), im_dE_fromLab(3), im_LabQ2Lab(3), im_Lab2disp(3).
COPYRIGHT
National Gallery and Birkbeck College, 1990 - 1993
AUTHOR
K. Martinez - 2/12/1992
J. Cupitt - 21/7/93