Four-field motion adaptive de-interlacing

Details Four-field motion adaptive de-interlacing Four-field motion adaptive de-interlacing

2006-10-31

2006-10-31

Ometz, David (Department: 2622)

Television

Format conversion

Line doublers type

C348S452000, C348S441000

Reexamination Certificate

active

07129989

ABSTRACT:
This invention presented a universal de-interlacing method and system by the motion detection, the motion adaptive interpolation, the directional edge interpolation, the 3:2 pull-downed detection and the 3:2 Pull-Downed recovery. Four-field motion detection can detect the motion area and the still area. By cooperating with the motion adaptive interpolation and the directional edge interpolation the picture possesses the very clear quality, high contrast, and high resolution. The 3:2 pull-downed detection and the 3:2 Pull-Downed recovery can detect the 3:2 Pull-Downed movie sequence and recover the interlaced fields into a progressive frames universally without too much overhead of computational power.

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patent: 6891571 (2005-05-01), Shin et al.
patent: 6985187 (2006-01-01), Han et al.

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