SPATIAL SCALABLE COMPRESSION SCHEME WITH A DEAD ZONE

SPATIAL SCALABLE COMPRESSION SCHEME WITH A DEAD ZONE

An apparatus is disclosed for performing spatial scalable compression of video information captured in a plurality of frames including an encoder for encoding and outputting the captured video frames into a compressed data stream, comprising a base layer comprising an encoded bitstream having a rela...

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Hauptverfasser: VERVOORT GERARDUS J. M, VAN VUGT HENRICUS A. G, BRULS WILHELMUS H. A
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator VERVOORT GERARDUS J. M
VAN VUGT HENRICUS A. G
BRULS WILHELMUS H. A
description An apparatus is disclosed for performing spatial scalable compression of video information captured in a plurality of frames including an encoder for encoding and outputting the captured video frames into a compressed data stream, comprising a base layer comprising an encoded bitstream having a relatively low resolution, a high resolution enhancement layer comprising a residual signal having a relatively high resolution, and wherein a dead zone operation unit attenuates the residual signal, the residual signal being the difference between the original frames and the upscaled frames from the base layer. As a result, the number of bits needed for the compressed data stream is reduced for a given observed video quality.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title SPATIAL SCALABLE COMPRESSION SCHEME WITH A DEAD ZONE
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