| 摘要 |
PURPOSE:To realize such complete color matching that colors are seen the same constantly without depending upon an observation light source. CONSTITUTION:This device is equipped with an input means 1 which converts a color information value group into an electric signal, a converting means 21 which converts the signal from the input means 1 into a characteristic parameter value, a storage device 3 which stores the characteristic vector and mean value vector of a spectral reflection factor and the coupling coefficient of a neural network after learning, a converting means 22 which performs conversion into a spectral reflection factor by KL expansion by using the electric signal and its characteristic vector and mean value vector from the converting means 21, and an output means 4 which outputs the signal from the converting means 22. |
