Blotch detection and removal for archive video restoration

Authors:
M. Kemal Güllü;Oğuzhan Urhan;Sarp Ertürk
Affiliations:
Faculty of Engineering, Department of Electronics & Telecommunications Engineering, Kocaeli University, İzmit, Kocaeli, Turkey;Faculty of Engineering, Department of Electronics & Telecommunications Engineering, Kocaeli University, İzmit, Kocaeli, Turkey;Faculty of Engineering, Department of Electronics & Telecommunications Engineering, Kocaeli University, İzmit, Kocaeli, Turkey
Venue:
ISCIS'05 Proceedings of the 20th international conference on Computer and Information Sciences
Year:
2005

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Abstract

Blotch detection and removal are important subjects for archive video restoration. In this work, spatial segmentation based post-processing has been proposed to increase the detection performance of the SDIa blotch detector. Furthermore a novel pixel based correction method that determines the new values of blotched pixels from spatio-temporal correlation is developed. Experimental results show that the proposed approach gives significant detection and correction performances and outperforms previously proposed techniques.