"Woman", "Man" and "Barbara" Images with Blurring
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| (a) Original "Woman" image, 512 by 512, 8bits/pixel MSE = 0, Q = 1 | (b) Blurred "Woman" image MSE = 200, Q = 0.3483 | 
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| (c) Original "Man" image, 512 by 512, 8bits/pixel MSE = 0, Q = 1 | (d) Blurred "Man" image MSE = 200, Q = 0.4123 | 
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| (e) Original "Barbara" image, 512 by 512, 8bits/pixel MSE = 0, Q = 1 | (f) Blurred "Barbara" image MSE = 200, Q = 0.6594 | 
MSE: mean squared error; Q: the proposed
universal image quality indexNote: All blurred images have almost identical MSE, but with very different visual quality.
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LIVELast updated Feb. 28, 2001