Standard Deviation for Obtaining the Optimal Direction in the Removal of Impulse Noise

This letter proposes a new technique of restoring images distorted by random-valued impulse noise. The detection process is based on finding the optimum direction, by calculating the standard deviation in different directions in the filtering window. The tested pixel is deemed original if it is simi...

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Veröffentlicht in:	IEEE signal processing letters 2011-07, Vol.18 (7), p.407-410
1. Verfasser:	Awad, A S
Format:	Artikel
Sprache:	eng
Schlagworte:	Distortion Filtering Filtering algorithms Image edge detection Image restoration Impulse noise Impulses Materials Noise noise detection Noise measurement Optimization Pixel Pixels Standard deviation
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