RECORDING MEDIUM, PLAYBACK DEVICE, RECORDING DEVICE, ENCODING METHOD, AND DECODING METHOD RELATED TO HIGHER IMAGE QUALITY

WIPO Patent Application WO/2012/147350

A1

A base video stream and an enhancement video stream are recorded to a recording medium. A bit string showing the pixel gradation of a picture in the enhancement video stream shows the difference between a bit string showing the pixel gradation in an original image and the bit string showing the pixel gradation of picture data in the base video stream. A shift parameter stipulates a shift operation to be carried out by a replay device when the bit string showing the pixel gradation of the picture in the base video stream and the pixel gradation of a picture in the enhancement video stream are added.

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OGAWA TOMOKI
SASAKI TAIJI
YAHATA HIROSHI

PCT/JP2012/002853

November 01, 2012

April 26, 2012

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PANASONIC CORP (JP)
OGAWA TOMOKI
SASAKI TAIJI
YAHATA HIROSHI

H04N5/92; G11B20/10; G11B27/00; H04N7/32

WO2010143441A1	2010-12-16
WO2010150674A1	2010-12-29

JP2004015226A	2004-01-15
JP2007266749A	2007-10-11
JP2010512096A	2010-04-15
JP2010507310A	2010-03-04
JP2007158983A	2007-06-21
JP2008129127A	2008-06-05

A. TANJU ERDEM ET AL.: "Compression of 10-bit video using the tools of MPEG-2", SIGNAL PROCESSING: IMAGE COMMUNICATION, vol. 7, no. 1, March 1995 (1995-03-01), pages 27 - 56, XP004047120
See also references of EP 2717565A4

NAKAJIMA, Shiro et al. (JP)
Shiro Nakajima (JP)

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