ZEN HUA, Guo FURONG, WANG ZHIHENG. A method of spectral recognition for vegetable iol colour inspection[J]. Acta Optica Sinica, 1989, 9(12): 1133
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This paper presents a method of spectral recognition for vegetable oil colonr inspection. The method breaks through the traditional CIE colour measurement pattern, substitutes spectral feature and nonfixed view-field pattern for tristimulus value and its fixed aperture colour measurement pattern, respectively. A good discrimination function which is suitable to examing vegetable oil colour is developed. The experimental results are satisfied.