US 7,463,683 B2
Method and apparatus for decoding spatially scaled fine granular encoded video signals
Mihaela Van Der Schaar, Ossining, N.Y. (US); and Mahesh Balakrishnan, Foster City, Calif. (US)
Assigned to Koninklijke Philips Electronics N.V., Eindhoven (Netherlands)
Filed on Nov. 29, 2001, as Appl. No. 9/998,361.
Claims priority of provisional application 60/239347, filed on Oct. 11, 2000.
Prior Publication US 2002/0064227 A1, May 30, 2002
Int. Cl. H04N 7/18 (2006.01)
U.S. Cl. 375—240.1  [375/240.25] 17 Claims
OG exemplary drawing
 
1. A method of decoding a video signal including a base layer stream and a plurality of enhancement layer streams, said method comprising the steps of:
decoding said base layer stream to produce base layer video frames;
decoding first one of said enhancement layer streams to produce quality enhanced video frames;
combining said base layer video frames and at least portions of said quality enhanced video frames to produce a first video frame output;
upscaling said said first video frame output;
decoding a second one of said enhancement layer streams to produce spatially enhanced video frames;
combining said spatially enhanced video frames and said upscaled first video frame output to produce a second video frame output.