Color measurement of angularly color variant textiles

Details Color measurement of angularly color variant textiles Color measurement of angularly color variant textiles

G - Physics

01

N

G01N 21/27 (2006.01) G01J 3/46 (2006.01) G01J 3/51 (2006.01)

Patent

CA 2386833

A method is provided for measuring the color of irregular surface materials, including textiles which may provide dissimilar color measurements from different viewing angles, by illuminating a sampling area of the irregular surface material approximately perpendicularly thereto and measuring the color reflected from that area at a substantial angle, preferably about 45 degrees, with a plurality of separate photodetectors arrayed circularly around the illuminated sampling area of irregular surface material to receive the reflected illumination from substantially opposing directions and at a substantial angle to the illuminated area, for providing a more accurate yet lower cost color measurement system for textiles that can be used easily, quickly, and uncritically in terms of the handling, positioning and orientation of the textile material being tested.

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