Motion adaptive spatio-temporal filtering of video signals

Details Motion adaptive spatio-temporal filtering of video signals Motion adaptive spatio-temporal filtering of video signals

1994-10-07

1997-04-15

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348699, H04N 732

Patent

active

056214685

ABSTRACT:
A motion adaptive spatio-temporal filtering method is employed as a prefilter in an image coding apparatus, which processes the temporal band-limitation of the video frame signals on the spatio-temporal domain along the trajectories of a moving component without temporal aliasing by using a filter having a band-limitation characteristic according to a desired temporal cutoff frequency and the velocity of moving components.

REFERENCES:
patent: 4694342 (1987-09-01), Klees
patent: 4745458 (1988-05-01), Hirano et al.
patent: 4771331 (1988-09-01), Bierling et al.
patent: 4873573 (1989-10-01), Thomas et al.
patent: 5260782 (1993-11-01), Hui
patent: 5280350 (1994-01-01), DeHaan et al.
patent: 5311310 (1994-05-01), Jozawa et al.

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