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18 January 2004 A two-dimensional generalized sampling theory and application to de-interlacing
Calina Ciuhu, Gerard de Haan
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Proceedings Volume 5308, Visual Communications and Image Processing 2004; (2004) https://doi.org/10.1117/12.525678
Event: Electronic Imaging 2004, 2004, San Jose, California, United States
Abstract
Yen's generalisation of the sampling theorem has been proposed as the theoretical solution for de-interlacing by Delogne and Vandendorpe. The solution results in a vertical interpolation filter with coefficients that depend on the motion vector value, which uses samples that exist in the current field and additional samples from a neighbouring field shifted over (part of) a motion vector. We propose a further generalisation, where we design vector-adaptive inseparable 2D filters, which use samples from the current and the motion compensated previous field that are not available for all vectors on a vertical line. The resulting inseparable filters give a better interpolation quality at a given number of input pixels. We will show that the algorithm can be made robust against the sensitivity to inaccurate motion vectors.
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Calina Ciuhu and Gerard de Haan "A two-dimensional generalized sampling theory and application to de-interlacing", Proc. SPIE 5308, Visual Communications and Image Processing 2004, (18 January 2004); https://doi.org/10.1117/12.525678
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Cited by 6 scholarly publications and 3 patents.
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KEYWORDS
Electronic imaging
Image processing
Visual communications
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