Patent ID: 7345708
Filing Date: 2008-03-18
Classification: H04N

Abstract:
1. A method for deinterlacing a picture, comprising the steps of: (A) determining a protection condition by performing a static check on said picture in a region around a location interlaced with a first field of said picture, wherein said region comprises at least three-by-three sample locations; (B) calculating an interpolated sample at said location by temporal filtering said first field with a second field in response to said protection condition only indicating a significant increase in a vertical activity in said region due to said deinterlacing; and (C) calculating said interpolated sample at said location by spatial filtering said first field in response to said protection condition only indicating an insignificant change in said vertical activity in said region due to said deinterlacing (D) evaluating said region for a stationary horizontal edge in said picture prior to calculating said interpolated sample, wherein said stationary horizontal edge separates a spatially static content on a first side of said picture and a spatially dynamic content on a second side of said picture.