Adaptively deinterlacing video on a per pixel basis

Details Adaptively deinterlacing video on a per pixel basis Adaptively deinterlacing video on a per pixel basis

2005-02-22

2005-02-22

Kostak, Victor R. (Department: 2614)

Television

Format conversion

Line doublers type

C348S452000

Reexamination Certificate

active

06859235

ABSTRACT:
Adaptive deinterlacing of interlaced video to generate a progressive frame on a per pixel basis. Two consecutive fields of interlaced video are converted into a frame of progressive video. One of the fields is replicated to generate half the lines in the progressive frame. Each of the pixels in the other half of the progressive frame are generated pixel-by-pixel. For a given output position of the pixel in the other half of the progressive frame, a correlation is estimated between the corresponding pixel in the non-replicated field and at least one vertically adjacent pixel of the replicated field, and optionally one or more vertically adjacent pixels in the non-replicated fields. Also, three consecutive input fields of interlaced video may be converted into two output fields of interlaced video on a per pixel basis taking into consideration differences in the consecutive input fields.

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patent: 6404461 (2002-06-01), Le Clerc
patent: 6459454 (2002-10-01), Walters
Kenji Sugiyama & Hiroya Nakamura, A Method of De-interlacing with Motion Compensated Interpolation, IEEE Transactions on Consumer Electronics Aug. 1999, vol. 45, No. 3, pp. 611-616.
Regis J. Crinon, Contour-Based Motion Estimation for De-Interlacing Video Sequences, Ninth Annual Conference and Exposition, Anaheim Convention Center, NCGA'88, Technical Sessions, vol. 111, Mar. 20-24, 1988, pp. 607-616.

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