Patent ID: 6459454
Filing Date: 2002-10-01
Classification: H04N

Abstract:
A system for converting an interlaced video stream into a progressive video stream and displaying the progressive video stream, the system comprising the following:a digital tuner adapted to receive the interlaced video stream; and an adaptive deinterlacing mechanism adapted to receive the interlaced video stream and adapted to convert at least certain successive fields of interlaced video into a plurality of progressive frames, the deinterlacing mechanism adapted to replicate either a first temporal field or a second temporal field of interlaced video to construct half of the progressive frame, and a correlator operable to estimate a correlation between each pixel of the non-replicated temporal field and at least one adjacent pixel of the replicated temporal field, the adaptive deinterlacing mechanism configured to construct the other half of the progressive frame by assigning pixel values based on an interpolation between scan line interpolation and field merging depending on the correlation corresponding to each pixel, wherein a higher correlation tends the value towards field merging and lower correlation tends the value towards scan line interpolation.