1IM_DE_FROMDISP(3)          Library Functions Manual          IM_DE_FROMDISP(3)
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NAME

6       im_dE_fromdisp,  im_dE_fromXYZ, im_dECMC_fromdisp - derived colour dif‐
7       ference functions
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SYNOPSIS

10       #include <vips/vips.h>
11       #include <vips/colour.h>
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13       im_dE_fromdisp( in1, in2, out, display )
14       IMAGE *in1, *in2, *out;
15       struct im_col_display *display;
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17       int im_dE_fromXYZ(in, out)
18       IMAGE *in, *out;
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20       im_dECMC_fromdisp( in1, in2, out, display )
21       IMAGE *in1, *in2, *out;
22       struct im_col_display *display;
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DESCRIPTION

26       These functions are built on the basic VIPS colour difference  measure‐
27       ments  as a convenience for the programmer. See im_dE_fromLab(3) for an
28       explanation of the colour difference metrics and the basic  comparision
29       functions.
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RETURN VALUE

33       The functions return 0 on success and -1 on error.
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SEE ALSO

36       im_col_XYZ2rgb(3), im_dE_fromLab(3), im_LabQ2Lab(3), im_Lab2disp(3).
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39       National Gallery and Birkbeck College, 1990 - 1993
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AUTHOR

42       K. Martinez - 2/12/1992
43       J. Cupitt - 21/7/93
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47                                2 December 1992              IM_DE_FROMDISP(3)
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