IMAGE ENCODING METHOD, DEVICE USING THE SAME, AND COMPUTER PROGRAM

Title:

IMAGE ENCODING METHOD, DEVICE USING THE SAME, AND COMPUTER PROGRAM

Document Type and Number:

WIPO Patent Application WO2007043609

Kind Code:

B1

Abstract:

When entropy-encoding a converted quantized amount obtained by converting an image into a frequency region and quantizing it, if the output code bit quantity of the entropy encoding exceeds a predetermined amount, an image obtained by rebuilding the converted quantized value is outputted from an image encoding device. This guarantees an encoding delay caused by re-encoding to be a constant time without increasing the circuit size of the encoding device and provides an image encoding device of a subjectively high quality.

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Inventors:

CHONO KEIICHI (JP)
SENDA YUZO (JP)
MIYAMOTO YOSHIHIRO (JP)

Application Number:

PCT/JP2006/320379

Publication Date:

July 19, 2007

Filing Date:

October 12, 2006

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Assignee:

NEC CORP (JP)
CHONO KEIICHI (JP)
SENDA YUZO (JP)
MIYAMOTO YOSHIHIRO (JP)

International Classes:

H04N19/50; H03M7/36; H03M7/40; H04N19/126; H04N19/13; H04N19/132; H04N19/146; H04N19/149; H04N19/196; H04N19/426; H04N19/436; H04N19/503; H04N19/593; H04N19/60; H04N19/61; H04N19/91

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