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im_dE_fromdisp(3)                                            im_dE_fromdisp(3)




NAME

       im_dE_fromdisp,  im_dE_fromXYZ, im_dECMC_fromdisp - derived colour dif-
       ference 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  measure-
       ments  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



                                2 December 1992              im_dE_fromdisp(3)

im_dE_fromdisp 7.14.5 - Generated Sat Sep 6 19:49:44 CDT 2008
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