Removing Moire from Degraded Video Archives

Removing Moire from Degraded Video Archives,Denis N. Sidorov,Anil C. Kokaram

Removing Moire from Degraded Video Archives   (Citations: 2)
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This paper considers the removal of moire pat- terns, which may appear during fllm-to-video transfer using Telecine devices. A model of moire distortion is created and studied. A new suppression algorithm using spectral analysis is presented and applied for real video sequences. This non-linear fllter is based on thresholding of the magnitude of the Fourier spectrum of the image. The paper also considers the use of over- lapped block processing in order to reduce the efiect of ringing artefacts that could appear due
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