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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9392246 B1

PDFFull Text
Expired
Date of Patent:
Jul. 12, 2016

Filed:

Apr. 26, 2012

Recording medium, playback device, recording device, encoding method, and decoding method related to higher image quality

Applicants:

Tomoki Ogawa, Osaka, JP;

Taiji Sasaki, Osaka, JP;

Hiroshi Yahata, Osaka, JP;

Inventors:

Tomoki Ogawa, Osaka, JP;

Taiji Sasaki, Osaka, JP;

Hiroshi Yahata, Osaka, JP;

Assignee:

PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Eileen Adams

Int. Cl.
CPC ...
H04N 19/30 (2014.01); H04N 9/808 (2006.01); G11B 20/10 (2006.01); G11B 20/12 (2006.01); H04N 9/804 (2006.01); G11B 20/00 (2006.01);
U.S. Cl.
CPC ...
H04N 9/8082 (2013.01); G11B 20/10527 (2013.01); G11B 20/1251 (2013.01); G11B 20/1262 (2013.01); H04N 9/804 (2013.01); H04N 19/30 (2014.11); G11B 2020/00072 (2013.01); G11B 2020/10537 (2013.01); G11B 2020/1289 (2013.01);
Abstract

A recording method for recording a base video stream and an enhancement video stream. The recording method includes: a first step of generating the base video stream by performing an irreversible conversion on an original image; and a second step of generating the enhancement video stream that includes a shift parameter and picture data. A gradation bit sequence of each pixel constituting the picture data of the enhancement video stream represents a difference between a gradation bit sequence of each pixel constituting picture data of the original image and a gradation bit sequence of each pixel constituting picture data of the base video stream. The shift parameter defines a shift operation that is performed by a playback device when the gradation bit sequence of the base video stream is added to the gradation bit sequence of the enhancement video stream.

Find Patent Forward Citations

Ogawa, Tomoki. (2016). Recording medium, playback device, recording device, encoding method, and decoding method related to higher image quality (U.S. Patent No. 9392246). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9392246

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