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February 20, 2016 22:39
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Calculates the difference between two RGB Colour Values using Euclidean distance algorithm
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| r1 = 1.0 | |
| r2 = 0.95 | |
| g1 = 1.0 | |
| g2 = 1.0 | |
| b1 = 0.2 | |
| b2 = 0.1 | |
| # Euclidean distance | |
| # The smaller the value of d2, the closer the colors (r1,g1,b1)and(r2,g2,b2) are to each other. | |
| d2 = (30*(r1-r2))**2 + (59*(g1-g2))**2 + (11*(b1-b2))**2 | |
| puts d2 | |
| => 3.4600000000000044 |
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