| .TH IM_DE_FROMDISP 3 "2 December 1992" |
| .SH NAME |
| im_dE_fromdisp, im_dE_fromXYZ, im_dECMC_fromdisp \- derived colour difference |
| functions |
| .SH SYNOPSIS |
| #include <vips/vips.h> |
| |
| im_dE_fromdisp( in1, in2, out, display ) |
| .br |
| IMAGE *in1, *in2, *out; |
| .br |
| struct im_col_display *display; |
| |
| int im_dE_fromXYZ(in, out) |
| .br |
| IMAGE *in, *out; |
| |
| im_dECMC_fromdisp( in1, in2, out, display ) |
| .br |
| IMAGE *in1, *in2, *out; |
| .br |
| struct im_col_display *display; |
| |
| .SH 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. |
| |
| .SH RETURN VALUE |
| The functions return 0 on success and -1 on error. |
| .SH SEE ALSO |
| im_col_XYZ2rgb(3), im_dE_fromLab(3), im_LabQ2Lab(3), im_Lab2disp(3). |
| .SH COPYRIGHT |
| National Gallery and Birkbeck College, 1990 - 1993 |
| .SH AUTHOR |
| K. Martinez \- 2/12/1992 |
| .br |
| J. Cupitt \- 21/7/93 |
