JP2001268581A5 - - Google Patents

Download PDF

Info

Publication number
JP2001268581A5
JP2001268581A5 JP2001048729A JP2001048729A JP2001268581A5 JP 2001268581 A5 JP2001268581 A5 JP 2001268581A5 JP 2001048729 A JP2001048729 A JP 2001048729A JP 2001048729 A JP2001048729 A JP 2001048729A JP 2001268581 A5 JP2001268581 A5 JP 2001268581A5
Authority
JP
Japan
Prior art keywords
image
encoded frame
content data
predictive decoding
encoded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2001048729A
Other languages
Japanese (ja)
Other versions
JP2001268581A (en
JP3776735B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2001048729A priority Critical patent/JP3776735B2/en
Priority claimed from JP2001048729A external-priority patent/JP3776735B2/en
Publication of JP2001268581A publication Critical patent/JP2001268581A/en
Publication of JP2001268581A5 publication Critical patent/JP2001268581A5/ja
Application granted granted Critical
Publication of JP3776735B2 publication Critical patent/JP3776735B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Claims (2)

画像を符号化することにより得られた第1の符号化フレームを復号化する画像予測復号化方法において、
それぞれ前方参照画像,及び後方参照画像として用いられる第2,及び第3の符号化フレームが画像コンテンツデータを含むか否かを、上記第2の符号化フレームに含まれ、第2の符号化フレームが画像コンテンツデータを含むか否かを示す第1のフラグと、上記第3の符号化フレームに含まれ、第3の符号化フレームが画像コンテンツデータを含むか否かを示す第2のフラグとに基づいて決定するステップと、
上記第2の符号化フレームが画像コンテンツデータを含むときのみ、上記前方参照画像として、第2の符号化フレームに対応する復号化フレームを選択するステップと、
上記第3の符号化フレームが画像コンテンツデータを含むときのみ、上記後方参照画像として、第3の符号化フレームに対応する復号化フレームを選択するステップと、
選択された前方参照画像および選択された後方参照画像のうちの少なくとも1つを参照して予測画像を生成するステップと、
生成した予測画像を用いて、予測復号化により第1の符号化フレームを復号化するステップとを含む、
ことを特徴とする画像予測復号化方法。
In an image predictive decoding method for decoding a first encoded frame obtained by encoding an image,
Whether the second and third encoded frames used as the forward reference image and the backward reference image respectively include image content data is included in the second encoded frame, and the second encoded frame A first flag indicating whether or not includes image content data; a second flag included in the third encoded frame and indicating whether the third encoded frame includes image content data; Determining based on
Selecting a decoded frame corresponding to the second encoded frame as the forward reference image only when the second encoded frame includes image content data;
Selecting a decoded frame corresponding to the third encoded frame as the backward reference image only when the third encoded frame includes image content data;
Generating a predicted image with reference to at least one of the selected forward reference image and the selected backward reference image;
Decoding the first encoded frame by predictive decoding using the generated predicted image,
An image predictive decoding method characterized by the above.
請求項1記載の画像予測復号化方法において、
上記画像は、サイズが可変である任意形状オブジェクトを含む、
ことを特徴とする画像予測復号化方法。
The image predictive decoding method according to claim 1, wherein:
The image includes an arbitrarily shaped object whose size is variable,
An image predictive decoding method characterized by the above.
JP2001048729A 1997-04-09 2001-02-23 Image predictive decoding method, image predictive decoding device, image predictive encoding method, image predictive encoding device, and data storage medium Expired - Lifetime JP3776735B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001048729A JP3776735B2 (en) 1997-04-09 2001-02-23 Image predictive decoding method, image predictive decoding device, image predictive encoding method, image predictive encoding device, and data storage medium

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9-90659 1997-04-09
JP9065997 1997-04-09
JP2001048729A JP3776735B2 (en) 1997-04-09 2001-02-23 Image predictive decoding method, image predictive decoding device, image predictive encoding method, image predictive encoding device, and data storage medium

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP09473998A Division JP3387820B2 (en) 1997-04-09 1998-04-07 Image prediction decoding apparatus and image prediction decoding method

Publications (3)

Publication Number Publication Date
JP2001268581A JP2001268581A (en) 2001-09-28
JP2001268581A5 true JP2001268581A5 (en) 2005-09-02
JP3776735B2 JP3776735B2 (en) 2006-05-17

Family

ID=26432116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001048729A Expired - Lifetime JP3776735B2 (en) 1997-04-09 2001-02-23 Image predictive decoding method, image predictive decoding device, image predictive encoding method, image predictive encoding device, and data storage medium

Country Status (1)

Country Link
JP (1) JP3776735B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0216072B1 (en) 2001-10-17 2018-09-25 Panasonic Corp moving figure decoding method and apparatus
JP2004088722A (en) 2002-03-04 2004-03-18 Matsushita Electric Ind Co Ltd Motion picture encoding method and motion picture decoding method
HUE044616T2 (en) 2002-04-19 2019-11-28 Panasonic Ip Corp America Motion vector calculating method
JP2004007563A (en) 2002-04-19 2004-01-08 Matsushita Electric Ind Co Ltd Method for encoding moving image and method for decoding moving image
JP5972687B2 (en) * 2012-07-02 2016-08-17 株式会社Nttドコモ Moving picture predictive coding apparatus, moving picture predictive coding method, moving picture predictive coding program, moving picture predictive decoding apparatus, moving picture predictive decoding method, and moving picture predictive decoding program

Similar Documents

Publication Publication Date Title
ATE522086T1 (en) VIDEO CODING
EP1788817A4 (en) Decoder, encoder, decoding method and encoding method
MY161138A (en) Parameter set and picture header in video coding
HUP0100650A2 (en) Data hiding method and data extracting method
BR0306684A (en) Moving Image Encoding Method and Moving Image Decoding Method
JP2008507206A5 (en)
TW200627962A (en) Video coding, decoding and hypothetical reference decoder
JP2005184857A5 (en)
CA2408726A1 (en) Video coding
JP2011519078A5 (en)
EP1798988A3 (en) Video encoding/decoding method and apparatus
JP2007325287A5 (en)
EP1617678A3 (en) Spatial scalability in 3D sub-band decoding of spatial domain MCTF-encoded video
EP2627089A3 (en) decoder using context model for adaptive field/frame based coding
EP1672931A3 (en) Calculation method for predicted motion vector
ES2190995T3 (en) VIDEO DECODER WITH MOVEMENT COMPENSATION.
PL1743481T3 (en) Stream generation apparatus, stream generation method, coding apparatus, coding method, recording medium and program thereof
TW200644639A (en) Encoding apparatus and method, and decoding apparatus and method
EP2373035A3 (en) Moving picture encoding device, moving picture decoding device, moving picture encoding method, moving picture decoding method, program, and computer readable recording medium storing program
MX2009006405A (en) Method and system for encoding an image signal, encoded image signal, method and system for decoding an image signal.
ATE344593T1 (en) METHOD FOR VIDEO CODING WITH FLAWING COMPENSATION
WO2005051002A3 (en) Selective and/or scalable complexity control for video codecs
JP2006518954A5 (en)
JP2019512985A5 (en)
JP2005533465A5 (en)