Deinterlacing video images with slope detection

Details Deinterlacing video images with slope detection Deinterlacing video images with slope detection

2004-06-07

2008-03-04

Hsia, Sherrie (Department: 2622)

Television

Format conversion

Line doublers type

Reexamination Certificate

active

07339626

ABSTRACT:
An apparatus and method for deinterlacing video images with improved slope detection is described. In one exemplary implementation, the apparatus includes an input buffer, a processor, and an output buffer. The input buffer is configured to receive a video stream in an interlaced format. The processor is configured to convert the video stream from the interlaced format to a progressive format. This conversion process includes calculating the slope for a diagonal line of an image at a pixel to-be-interpolated (i.e., at a missing pixel) using a slope protection operation to increase the accuracy of the slope calculation. The output buffer is then configured to transmit the video stream in the progressive format.

REFERENCES:
patent: 6515706 (2003-02-01), Thompson et al.
patent: 6829013 (2004-12-01), Thompson et al.
patent: 7023487 (2006-04-01), Adams
patent: 7218354 (2007-05-01), Tanaka

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