Filtering system for processing a reduced-resolution video...

Details Filtering system for processing a reduced-resolution video... Filtering system for processing a reduced-resolution video...

H - Electricity

04

N

350/3, 350/56

H04N 7/00 (2006.01) G06T 3/40 (2006.01) H04N 5/14 (2006.01) H04N 5/208 (2006.01) H04N 9/64 (2006.01)

Patent

CA 1233231

Abstract A pix-in-pix display includes a filtering system for processing the video signals which produce the reduced-size image. The filtering system includes an anti-aliasing filter which reduces the amplitude of the components of the video signals which may cause aliasing distortion when the image is subsampled. However, the filter passes substantial amounts of these components. The filtered video signal is subsampled and applied to a peaking filter which amplifies the band of frequencies containing the aliasing components relative to lower frequency bands to improve the appearance of detailed portions of the reproduced image.

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