Title :
Interpolation and extrapolation for accurate color measurement
Author :
Grard, C.L. ; Trussell, H.J.
Author_Institution :
Dept. of Electr. & Comput. Eng., North Carolina State Univ., Raleigh, NC, USA
Abstract :
A comparison is presented between recommended CIE interpolation and extrapolation methods and those derived from signal processing methods. While the DSP based methods are superior in estimating tri-stimulus values, the difference in CIEL*a*b* values is slight
Keywords :
colorimetry; extrapolation; image colour analysis; image matching; interpolation; CIE; DSP based methods; accurate color measurement; colour matching functions; extrapolation; interpolation; signal processing methods; tristimulus values estimation; Digital signal processing; Electric variables measurement; Extrapolation; Interpolation; Lagrangian functions; Mean square error methods; Nonlinear filters; Polynomials; Reflectivity; Signal processing;
Conference_Titel :
Image Processing, 1995. Proceedings., International Conference on
Conference_Location :
Washington, DC
Print_ISBN :
0-8186-7310-9
DOI :
10.1109/ICIP.1995.537487
