Multispectral analysis reveals each successive layer of colour, and enables the pigments and pigment mixtures of each pixel to be identified without taking physical samples.

The thesis introduces the functions of a quantitative analysis system of clinical images of skin pigment spots, the information for the system design, the characteristics and the way of use.

Through the mechanism of heat-resistant concrete analysis, the main factors on the effect of concrete heat-resistant strength is aggregate nature of paint and volume of pigment.