Motion adaptive scan-rate conversion using directional edge inte

Television – Format conversion – Line doublers type

Patent

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Details

348451, 348606, 348607, H04N 701

Patent

active

055922317

ABSTRACT:
A method for processing video data to produce a progressively scanned signal from an input of conventional interlaced video. The data is received at a processor (1), used to determine a motion signal (26) over time between field of the data. The motion signal is filtered to reduce errors caused by noise-corrupted video sources and then further filtered to spread out the determined motion signal. Edge information (30) is located and combined with the motion signal to produce an integrated progressive-scan signal (36) for display on a video display device, producing images with sharper edges and motion signals which have a lower susceptibility to noise.

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T. Doyle, Interlaced to Sequential Conversion for EDTV Applications, Philips Research Laboratories P.O. Box 80000, 5600 JA Eindhoven.
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Doyle, T. and M. Looymans, "Progressive Scan Conversion Using Edge Information", Signal Processing of HDTV, II, Aug. 30, 1989-Sep. 1, 1989, pp. 711-721.
Kalevo, et al., "Motion Compensated Deinterlacing", IEEE 1993 International Conference on Consumber Electronics, Jun. 8-10, 1993, pp. 40-41.

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