Patent ID: 8553769

Claim:
A method of encoding an input video to create an encoded video in a scalable video format, wherein the input video includes full-resolution frames, wherein the scalable video format includes an encoded base layer video at a spatially downsampled base layer resolution and an encoded enhancement layer video at a higher resolution, the method comprising: obtaining full-resolution residual values for the full-resolution frames; spatially downsampling the full-resolution residual values to the base layer resolution to generate downsampled residuals; spatially downsampling the input video to create a base layer video at the base layer resolution; encoding the base layer video, using a motion estimation process that employs a motion estimation rate-distortion optimization expression, wherein the motion estimation rate-distortion optimization expression includes the downsampled residuals, to produce the encoded base layer video; encoding an enhancement layer video at the higher resolution, using a scalable video coding process, to produce the encoded enhancement layer video; and combining the encoded base layer video and encoded enhancement layer video to produce a bitstream of encoded video.