JP2011061877A5 - - Google Patents

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Publication number
JP2011061877A5
JP2011061877A5 JP2010290297 JP2010290297A JP2011061877A5 JP 2011061877 A5 JP2011061877 A5 JP 2011061877A5 JP 2010290297 JP2010290297 JP 2010290297 JP 2010290297 A JP2010290297 A JP 2010290297A JP 2011061877 A5 JP2011061877 A5 JP 2011061877A5
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JP
Japan
Prior art keywords
encoding
image data
context
block
arithmetic
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JP2010290297
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Japanese (ja)
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JP5041060B2 (en
JP2011061877A (en
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Priority claimed from JP2010290297A external-priority patent/JP5041060B2/en
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Publication of JP2011061877A5 publication Critical patent/JP2011061877A5/ja
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Description

In order to solve such a problem, the present invention provides an encoding device for encoding image data , an encoding means for performing arithmetic encoding processing using context on the image data, and encoding processing of the image data. when the is a unit of block and a block of non-compressed data, to perform the termination processing of the arithmetic coding process using the context, and a control means for controlling the encoding means.
The present invention also relates to an encoding method for encoding image data , an encoding step for performing arithmetic encoding processing using context on the image data , and a block as a unit for encoding the image data And a control step for controlling the encoding process of the encoding step so that the termination process of the arithmetic encoding process using the context is performed.

It is possible to perform the termination process of the arithmetic coding process using the context for the block which is a unit when the uncompressed data is encoded, and to execute the process without executing the unnecessary encoding process.

Claims (2)

  1. In an encoding device for encoding image data,
    Encoding means for performing arithmetic encoding processing using context on image data;
    Control means for controlling the coding means so as to perform a termination process of arithmetic coding processing using a context when a block which is a unit for coding the image data is a block of uncompressed data When,
    An encoding device comprising:
  2. In an encoding method for encoding image data,
    An encoding step for performing arithmetic encoding processing using context on image data;
    When the block which is a unit for encoding the image data is a block of uncompressed data, the encoding process of the encoding step is performed so as to perform the termination process of the arithmetic encoding process using the context. Control steps to control;
    An encoding method including:
JP2010290297A 2010-12-27 2010-12-27 Encoding apparatus and encoding method Active JP5041060B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010290297A JP5041060B2 (en) 2010-12-27 2010-12-27 Encoding apparatus and encoding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010290297A JP5041060B2 (en) 2010-12-27 2010-12-27 Encoding apparatus and encoding method

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007241628 Division 2002-10-10

Publications (3)

Publication Number Publication Date
JP2011061877A JP2011061877A (en) 2011-03-24
JP2011061877A5 true JP2011061877A5 (en) 2012-07-12
JP5041060B2 JP5041060B2 (en) 2012-10-03

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Family Applications (1)

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JP2010290297A Active JP5041060B2 (en) 2010-12-27 2010-12-27 Encoding apparatus and encoding method

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JP (1) JP5041060B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3402206T3 (en) 2011-06-28 2020-07-13 Samsung Electronics Co., Ltd. Video encoding and decoding method using arithmetic coding with a two-dimensional signaling of the last significant coefficient

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3992303B2 (en) * 1995-06-22 2007-10-17 ソニー株式会社 Signal compression apparatus, signal expansion apparatus, signal compression method, and signal expansion method
JPH10108184A (en) * 1996-10-02 1998-04-24 Sony Corp Image data processing unit and its method
JPH10191343A (en) * 1996-12-24 1998-07-21 Sony Corp Device and method for compressing video data
JP3367370B2 (en) * 1997-03-14 2003-01-14 三菱電機株式会社 Adaptive coding method
JP3684128B2 (en) * 2000-02-18 2005-08-17 キヤノン株式会社 Arithmetic encoding / decoding method and arithmetic encoding / decoding device

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