Patent ID: 8712118
Filing Date: 2014-04-29
Classification: G01N

Abstract:
1. A computer implemented method of quantifying a color in a sample comprising multiple colors, the method comprising: measuring a first color channel value in a plurality of pixels from a plurality of separate control samples, each separate control sample comprising a single color of interest; defining a vector for each of the plurality of separate control samples, wherein each vector comprises an average of each first color channel value present in the plurality of separate control samples; defining a matrix based upon control measurements comprising each of the averages for each of the first color channels; defining a conversion matrix comprising the inverse of the matrix based upon the control measurements; measuring second color channel values in an image of an experimental sample comprising a plurality of colors of interest, each pixel of the image of the experimental sample comprising a plurality of second color channels; and calculating an amount of a color in the experimental sample by converting the second color channel values in the experimental sample using the conversion matrix.