NDLI: Removal of film scratches using exemplar-based inpainting with directional median filter

Content Provider	IEEE Xplore Digital Library
Author	Umeda, Y. Arakawa, K.
Copyright Year	2012
Description	Author affiliation: Department of Computer Science, Graduate School of Science and Technology, Meiji University, Kawasaki, 214-8571, Japan (Umeda, Y.; Arakawa, K.)
Abstract	A method for removing film scratches in old video is proposed. This method is realized as combination of spacio-temporal exemplar-based inpainting and directional median filtering. The spacio-temporal inpainting restores scratch areas with image pixels in a similar undamaged image area in the same and the adjacent frames. If such a similar image area exist, the inpainting method works effectively, however, it does not always exist. In this paper, a method to switch the spacio-temporal inpaiting and a directional median filter is proposed to remove film scratches. Here, if the matching error of inpainting is not small enough, which means that a similar undamaged image area does not exist in the neighborhood, the scratch area is restored using the directional median filter. The directional median filter performs one-dimensional median filtering in the direction of the straight line component detected around the scratch. This method works effectively, even if a similar undamaged image area is not obtained. Computer simulations show the high performance of the proposed method for actual video frames.
Starting Page	6
Ending Page	11
File Size	951808
Page Count	6
File Format	PDF
ISBN	9781467311564
e-ISBN	9781467311571
e-ISBN	9781467311557
DOI	10.1109/ISCIT.2012.6380991
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-02
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Matched filters inpainting Films Image edge detection image restoration Brightness Transforms old video median filter Image restoration film scratch removal
Content Type	Text
Resource Type	Article

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