Method and system for evaluating gloss and brightness character of coated paint film

Claim 1

A method for evaluating a gloss and brightness character of a coating paint film, comprising: converting degree of a surface roughness of the coated paint film into a plurality of frequency components; abstracting a plurality of frequency regions from the frequency components, said frequency regions respectively corresponding to factors representing the gloss and brightness character of the coated paint film and having a coefficient of correlation of at least 0.7 to organoleptic values of the factors; numerically estimating respectively said frequency regons; and evaluating the gloss and brightness character of the coated paint film in accordance with said numerically estimated frequency regions.

Claim 2

A method for evaluating a gloss and brightness character of a coating paint film, comprising: converting degree of a surface roughness of the coated paint film into a plurality of frequency components; abstracting a plurality of frequency regions from the frequency components, said frequency regions respectively corresponding to factors representing the gloss and brightness character of the coated paint film and having a coefficient of correlation of at least 0.7 to organoleptic values of the factors; numerically estimating respectively said frequency regons; and evaluating the gloss and brightness character of the coated paint film in accordance with said numerically estimated frequency regions.

Claim 9

A method for evaluating a gloss and brightness character of a coated paint film capable of representation by factors composed of frequency regions, comprising the following steps: classifying the gloss and brightness character of the coated paint film into a plurality of factors representing the gloss and brightness character, said factors including a smoothness feeling, a thickness feeling and a gloss feeling of the coated paint film, said classifying step including selecting a plurality of frequency regions respectively for said factors, in accordance with correlation to organoleptic values respectively for the factors, said respective frequency regions for said factors being high in correlation to the respective corresponding organoleptic values and said frequency regions including first, second and third frequency regions which respectively represent the smoothness, thickness and gloss feelings, wherein said first, second and third frequency regions respectively correspond to a first wavelength region not lower than 0.8 mm, a second wavelength region between 0.1 to 1.0 mm and a third wavelength region not higher than 0.4 mm; converting degree of a surface roughness of the coated paint film into frequency components; abstracting said frequency regions from said frequency components; numerically estimating said frequency regions; and evaluating the gloss and brightness character of the coated paint film in accordance with said numerically estimated frequency regions.

Claim 10

A method for evaluating a gloss and brightness character of a coated paint film capable of representation by factors composed of frequency regions, comprising the following steps: classifying the gloss and brightness character of the coated paint film into a plurality of factors representing the gloss and brightness character, said factors including a smoothness feeling, a thickness feeling and a gloss feeling of the coated paint film, said classifying step including selecting a plurality of frequency regions respectively for said factors, in accordance with correlation to organoleptic values respectively for the factors, said respective frequency regions for said factors being high in correlation to the respective corresponding organoleptic values and said frequency regions including first, second and third frequency regions which respectively represent the smoothness, thickness and gloss feelings, wherein said first, second and third frequency regions respectively correspond to a first wavelength region not lower than 0.8 mm, a second wavelength region between 0.1 to 1.0 mm and a third wavelength region not higher than 0.4 mm; converting degree of a surface roughness of the coated paint film into frequency components; abstracting said frequency regions from said frequency components; numerically estimating said frequency regions; and evaluating the gloss and brightness character of the coated paint film in accordance with said numerically estimated frequency regions.

Claim 11

A system for evaluating a gloss and brightness character of a coated paint film, comprising: means for converting degree of a surface roughness of the coated paint into a plurality of frequency components; means for abstracting a plurality of frequency regions from the frequency components, said frequency regions respectively corresponding to factors representing the smoothness, thickness and gloss feelings of the gloss and brightness character of the coated paint film, said frequency regions including first, second and third frequency regions which respectively represent the smoothness, thickness and gloss feelings and respectively correspond to a first wavelength region not lower than 0.8 mm, a second wavelength region between 0.1 to 1.0 mm and a third wavelength region not higher than 0.4 mm; means for numerically estimating said frequency regions; and means for evaluating the gloss and brightness character of the coated paint film in accordance with said numerically estimated frequency regions.

Claim 12

A system for evaluating a gloss and brightness character of a coated paint film, comprising: means for converting degree of a surface roughness of the coated paint into a plurality of frequency components; means for abstracting a plurality of frequency regions from the frequency components, said frequency regions respectively corresponding to factors representing the smoothness, thickness and gloss feelings of the gloss and brightness character of the coated paint film, said frequency regions including first, second and third frequency regions which respectively represent the smoothness, thickness and gloss feelings and respectively correspond to a first wavelength region not lower than 0.8 mm, a second wavelength region between 0.1 to 1.0 mm and a third wavelength region not higher than 0.4 mm; means for numerically estimating said frequency regions; and means for evaluating the gloss and brightness character of the coated paint film in accordance with said numerically estimated frequency regions.