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23 lines
671 B
23 lines
671 B
def average_color(x, y, w, h, image):
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r, g, b = 0, 0, 0
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count = 0
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print([x, y, w, h])
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for s in range(x, x + w + 1):
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for t in range(y, y + h + 1):
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pixlr, pixlg, pixlb = image[s, t]
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r += pixlr
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g += pixlg
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b += pixlb
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count += 1
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return ((r / count), (g / count), (b / count))
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def differences(rgb_tuple1, rgb_tuple2):
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r1, g1, b1 = rgb_tuple1
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r2, g2, b2 = rgb_tuple2
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return ((r1-r2), (g1-g2), (b1-b2))
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def threshold(diff_tuple, trigger=4):
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dr, dg, db = diff_tuple
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return (((( dr**4 + dg**4 + db**4 ) / 3)**0.25) > trigger) # Thanks to Thomas Atkins, math whiz
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