Restoration of variable density film soundtracks

Abstract : The restoration of motion picture films has been an active research field for many years. The restoration of the soundtrack however has mainly been performed at the audio domain in spite of the fast that it is recorded as a continuous image on the film stock. In this paper, we propose a new restoration method for variable density soundtracks. The method first detects and corrects accurately the azimuth deviation. A robust thresholding technique based on the minimization of the total variation is then performed to remove the remaining faults. Restoration results are very promising and testify to the efficiency of our method.
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Communication dans un congrès
17th European Signal Processing Conference (EUSIPCO 2009), Aug 2009, Glasgow, United Kingdom. EURASIP, pp.2589-2593, 2009
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Abdelâali Hassaïne, Etienne Decencière, Bernard Besserer. Restoration of variable density film soundtracks. 17th European Signal Processing Conference (EUSIPCO 2009), Aug 2009, Glasgow, United Kingdom. EURASIP, pp.2589-2593, 2009. 〈hal-00834503〉

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