Three-dimensional color space L*C*h* measurement and quantification method for color of grape wine
A quantitative method, wine technology, applied in the field of detection, can solve the problem of large human subjective influence factors and so on
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[0028] The present invention will be described in detail below in conjunction with specific embodiments.
[0029] figure 1 It is a diagram of the relationship between the parameters of the color space. In CIE 1976 (L * a * b * ) color space, L * is the lightness in the color space, a * is the red / green magenta index value in the color space, b * is the yellow / blue magenta index value in the color space, C * is the chroma value of the color space, h * is the hue angle value of the color space.
[0030] L * 、C * 、h * Chromaticity values are from CIE 1976 (L * a * b * ) color space derived, therefore, a color can be used L * 、a * , b * Indicates that L can also be used * 、C * 、h * express. Use L * C * h * In line with the habit of describing colors in daily life, color correction is easier to understand, more intuitive and easier to control.
[0031] exist figure 1 Among them, the center of the circle is neutral gray, the radial direction of the plane ...
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