Progressive video detection with aggregated block SADS

Details Progressive video detection with aggregated block SADS Progressive video detection with aggregated block SADS

2006-02-15

2009-11-03

Ometz, David L (Department: 2622)

Television

Format conversion

Line doublers type

C348S701000, C348S558000, C348S448000, C348S452000, C348S459000

Reexamination Certificate

active

07612828

ABSTRACT:
A method for detecting progressive material in a video sequence is disclosed. The method generally includes the steps of (A) calculating a plurality of block statistics for each of a plurality of blocks in a current field of the video sequence, (B) calculating a plurality of field statistics by summing the block statistics over all of the blocks in the current field, (C) calculating a noise level for the current field based on a subset of the block statistics from each of the blocks and (D) generating a mode flag for the current field based on both (i) the field statistics and (ii) the noise level, wherein the mode flag identifies if the current field is part of a 2:2 pull-down pattern.

REFERENCES:
patent: 7468756 (2008-12-01), Wyman
patent: 2007/0002169 (2007-01-01), Munsil et al.
Yunwei Jia et al, U.S. Appl. No. 11/272,300, filed Nov. 10, 2005.
Yunwei, Jia et al. U.S. Appl. No. 11/314,631, filed Dec. 20, 2005.
Yunwei Jia et al, U.S. Appl. No. 11/343,119, filed Jan. 30, 2006.

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