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Image Processing for Restoration of Old Film Sequences
Venice, Italy September 27-September 29
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICIAP.1999.79767810th International Conference on Imag ...
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The old film restoration involves the development of image processing technology. We focus on the correction of film misalignment and the removal of blotches. In the restoration, the film is first read with a scanner, but the scanned sequence often suffers from irregular spatial vibration due to inaccurate frame alignment. This artifact is perceived as a flicker. Reduction of this flicker needs accurate knowledge of relative locations of scanned frames. Global inter-frame deformation contains such information. However, inter-frame deformation is also caused by camera work. Hence, we develop a robust correction method for estimating inter-frame misalignment separately from camera work and compensating for it. After the correction of inter-frame misalignment and the separation of camera work, the blotch removal can be performed by a filtering method. We present a spatiotemporal nonlinear restoration filter whose response is controlled according to the local anisotropic brightness continuity of a corrupted sequence.
Citation:
Takahiro Saito, Takashi Komatsu, Tomohisa Hoshi, Toshiaki Ohuchi, "Image Processing for Restoration of Old Film Sequences," iciap, pp.709, 10th International Conference on Image Analysis and Processing (ICIAP'99), 1999
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