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LITERATURE SURVEY OF AUTOMATIC FACE RECOGNITION ...

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12.1. Functioning principle of the eigenface­based face recognition<br />

algorithm….42<br />

21.1<br />

(a) The image with ‘salt and pepper’ noise of 0.35 noise density.<br />

(b) Output of the standard median filter. ……………………………………53<br />

21.2 Output of the adaptive median filter shows the improvement in performance<br />

with respect to the standard median filter…………………………………….53<br />

21.3<br />

(a) The image with ‘speckle’ noise of 0.6 variance.<br />

(b) Output of Adaptive Median Filter……………………………………..….54<br />

21.4<br />

(a) Image with ‘Gaussian’ noise with 0 mean and 0.02 variance<br />

(b) Output of Adaptive Median Filter………………………………………...54<br />

9

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