Fast and reliable structure-oriented video noise estimation

Noise can significantly impact the effectiveness of video processing algorithms. This paper proposes a fast white-noise variance estimation that is reliable even in images with large textured areas. This method finds intensity-homogeneous blocks first and then estimates the noise variance in these b...

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Veröffentlicht in:	IEEE transactions on circuits and systems for video technology 2005-01, Vol.15 (1), p.113-118
Hauptverfasser:	Amer, A., Dubois, E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adaptive variance averaging Additive noise Applied sciences Charge coupled devices Circuit noise Detection, estimation, filtering, equalization, prediction Digital cameras Exact sciences and technology homogeneous regions Information, signal and communications theory Miscellaneous Noise generators PSNR Satellite broadcasting second-order operators Signal and communications theory Signal processing Signal, noise structure analyzers Telecommunications and information theory textured regions video enhancement video noise estimation White noise
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