JP6066425B2 - 参照ピクチャー・リスト管理 - Google Patents
参照ピクチャー・リスト管理 Download PDFInfo
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- JP6066425B2 JP6066425B2 JP2014114534A JP2014114534A JP6066425B2 JP 6066425 B2 JP6066425 B2 JP 6066425B2 JP 2014114534 A JP2014114534 A JP 2014114534A JP 2014114534 A JP2014114534 A JP 2014114534A JP 6066425 B2 JP6066425 B2 JP 6066425B2
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-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Description
・reordering_of_pic_nums_idcが4に等しい場合
picViewIdxLX=picViewIdxLXPred−(abs_diff_view_idx_minus1+1) (1)
・そうでない場合(reordering_of_pic_nums_idcが5に等しい)
picViewIdxLX=picViewIdxLXPred+(abs_diff_view_idx_minus1+1) (2)。
for(cIdx=num_ref_idx_IX_active_minus1+1; cIdx>refIdxLX; cIdx−−)
RefPicListX[cIdx]=RefPicListX[cIdx−1]
RefPicListX[refIdxLX++]=TargetViewIDに等しいビューidをもつビュー間参照ピクチャー
nIdx=refIdxLX
for(cIdx=refIdxLX; cIdx<=num_ref_idx_IX_active_minus1+1; cIdx++)
if(ViewID(RefPicListX[cIdx])!=TargetViewID ||
PictureOrderCnt(RefPicListX[cIdx])!=CurrPOC)
RefPicListX[nIdx++]=RefPicListX[cIdx]
ここで、CurrPOCは現在のデコード・ピクチャーのPicOrderCnt()を示す。
この下位条項で規定されているプロセスがあるスライスについて初めて呼び出され、reordering_of_pic_nums_idcが4に等しく、abs_diff_view_idx_minus1の次のシンタックス要素が0に等しいとき、picViewIdxLXは上記の式を使うことなく、直接0と導かれる。これは、たとえばpicViewIdxLXPredおよびabs_diff_view_idx_minus1の両方が0の初期値をもつ場合にpicViewIdxLXについての負の値をもつ可能性を排除する。
・reordering_of_pic_nums_idcが4に等しい場合
if(picViewIdxLXPred−(abs_diff_view_idx_minus1+1)<0)
picViewIdxLX=picViewIdxLXPred−(abs_diff_view_idx_minus1+1)+MaxViewIdx (3)
else
picViewIdxLX=picViewIdxLXPred−(abs_diff_view_idx_minus1+1)
・そうでない場合(reordering_of_pic_nums_idcが5に等しい)
if(picViewIdxLXPred+(abs_diff_view_idx_minus1+1)>=MaxViewIdx)
picViewIdxLX=picViewIdxLXPred+(abs_diff_view_idx_minus1+1)−MaxViewIdx (4)
else
picViewIdxLX=picViewIdxLXPred+(abs_diff_view_idx_minus1+1)。
MaxViewIdx=num_anchor_refs_IX[curr_view_id]
そうでない場合、
MaxViewIdx=num_non_anchor_refs_IX[curr_view_id]
明らかに、エンコーダおよびデコーダの両方がMaxViewIdxの値を導出できる。
Claims (1)
- マルチビュー・ビデオ符号化において、参照ピクチャー・リストを管理する方法であって、
アンカー参照ピクチャもしくは非アンカー参照ピクチャの数から決定される値をビットストリーム中に提供する段階と、
前記参照ピクチャー・リストにおいてビュー間参照ピクチャーの複製を許容するために、前記参照ピクチャ・リストを並べ替える段階と、を含み、
前記参照ピクチャ・リストのためのインデックス値は、
前記参照ピクチャ・リストにおける現在のピクチャのビュー・インデックスと、ビュー・インデックス予測値との間の差の絶対値がインデックス予測より大きい場合、前記参照ピクチャ・リストにおける前記現在のピクチャのビュー・インデックスと、前記ビュー・インデックス予測値との間の前記差の絶対値を予測インデックスから減算することにより形成される数に、前記値を加算すること、もしくは、
前記参照ピクチャ・リストにおける現在のピクチャのビュー・インデックスと、ビュー・インデックス予測値との間の差の絶対値にインデックス予測を加えたものが前記値より大きい場合、前記参照ピクチャ・リストにおける前記現在のピクチャのビュー・インデックスと、前記ビュー・インデックス予測値との間の前記差の絶対値を予測インデックスに加算することにより形成される数から、前記値を減算すること、
から形成される、前記方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92171307P | 2007-04-04 | 2007-04-04 | |
US60/921,713 | 2007-04-04 |
Related Parent Applications (1)
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---|---|---|---|
JP2012245139A Division JP5558545B2 (ja) | 2007-04-04 | 2012-11-07 | 参照ピクチャー・リスト管理 |
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JP2016224226A Division JP2017063471A (ja) | 2007-04-04 | 2016-11-17 | 参照ピクチャー・リスト管理 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014195320A JP2014195320A (ja) | 2014-10-09 |
JP6066425B2 true JP6066425B2 (ja) | 2017-01-25 |
Family
ID=39739681
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
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JP2010502080A Expired - Fee Related JP5273824B2 (ja) | 2007-04-04 | 2008-03-17 | 参照ピクチャー・リスト管理 |
JP2012245139A Expired - Fee Related JP5558545B2 (ja) | 2007-04-04 | 2012-11-07 | 参照ピクチャー・リスト管理 |
JP2014114534A Expired - Fee Related JP6066425B2 (ja) | 2007-04-04 | 2014-06-03 | 参照ピクチャー・リスト管理 |
JP2016224226A Ceased JP2017063471A (ja) | 2007-04-04 | 2016-11-17 | 参照ピクチャー・リスト管理 |
JP2018202442A Pending JP2019068427A (ja) | 2007-04-04 | 2018-10-29 | 参照ピクチャー・リスト管理 |
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JP2010502080A Expired - Fee Related JP5273824B2 (ja) | 2007-04-04 | 2008-03-17 | 参照ピクチャー・リスト管理 |
JP2012245139A Expired - Fee Related JP5558545B2 (ja) | 2007-04-04 | 2012-11-07 | 参照ピクチャー・リスト管理 |
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JP2016224226A Ceased JP2017063471A (ja) | 2007-04-04 | 2016-11-17 | 参照ピクチャー・リスト管理 |
JP2018202442A Pending JP2019068427A (ja) | 2007-04-04 | 2018-10-29 | 参照ピクチャー・リスト管理 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20100118933A1 (ja) |
EP (1) | EP2135456B1 (ja) |
JP (5) | JP5273824B2 (ja) |
KR (1) | KR101418627B1 (ja) |
CN (1) | CN101647287B (ja) |
BR (1) | BRPI0809210A2 (ja) |
TW (3) | TWI533669B (ja) |
WO (1) | WO2008123917A2 (ja) |
Families Citing this family (25)
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WO2010131537A1 (ja) * | 2009-05-11 | 2010-11-18 | 株式会社エヌ・ティ・ティ・ドコモ | 動画像符号化装置、方法およびプログラム、並びに、動画像復号化装置、方法およびプログラム |
US8780999B2 (en) | 2009-06-12 | 2014-07-15 | Qualcomm Incorporated | Assembling multiview video coding sub-BITSTREAMS in MPEG-2 systems |
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WO2011013257A1 (ja) * | 2009-07-29 | 2011-02-03 | パナソニック株式会社 | マルチビュービデオ復号装置およびその方法 |
KR20130139242A (ko) | 2010-09-14 | 2013-12-20 | 톰슨 라이센싱 | 차폐 데이터의 압축 방법 및 장치 |
US20130287106A1 (en) * | 2011-01-07 | 2013-10-31 | Samsung Electronics Co., Ltd. | Video prediction method capable of performing bilateral prediction and unilateral prediction and a device thereof, video encoding method and device thereof, and video decoding method and device thereof |
US9008176B2 (en) * | 2011-01-22 | 2015-04-14 | Qualcomm Incorporated | Combined reference picture list construction for video coding |
US8934552B2 (en) * | 2011-03-31 | 2015-01-13 | Qualcomm Incorporated | Combined reference picture list construction and mapping |
US11496760B2 (en) | 2011-07-22 | 2022-11-08 | Qualcomm Incorporated | Slice header prediction for depth maps in three-dimensional video codecs |
US9521418B2 (en) * | 2011-07-22 | 2016-12-13 | Qualcomm Incorporated | Slice header three-dimensional video extension for slice header prediction |
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KR101626683B1 (ko) * | 2011-08-30 | 2016-06-01 | 인텔 코포레이션 | 멀티뷰 비디오 코딩 방안 |
US9420307B2 (en) | 2011-09-23 | 2016-08-16 | Qualcomm Incorporated | Coding reference pictures for a reference picture set |
US9264717B2 (en) | 2011-10-31 | 2016-02-16 | Qualcomm Incorporated | Random access with advanced decoded picture buffer (DPB) management in video coding |
US9485503B2 (en) | 2011-11-18 | 2016-11-01 | Qualcomm Incorporated | Inside view motion prediction among texture and depth view components |
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JP6480185B2 (ja) | 2012-01-19 | 2019-03-06 | ヴィド スケール インコーポレイテッド | 映像符号化参照ピクチャリストをシグナリングおよび構築する方法および装置 |
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US9807407B2 (en) * | 2013-12-02 | 2017-10-31 | Qualcomm Incorporated | Reference picture selection |
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KR101351935B1 (ko) * | 2006-10-13 | 2014-01-17 | 톰슨 라이센싱 | 멀티뷰 비디오 코딩을 수반하는 참조 화상 관리를 위한 방법 |
KR20110123291A (ko) * | 2006-10-16 | 2011-11-14 | 노키아 코포레이션 | 멀티뷰 비디오 코딩에서 효율적인 디코딩된 버퍼 관리를 구현하기 위한 시스템 및 방법 |
-
2008
- 2008-03-17 CN CN2008800104037A patent/CN101647287B/zh not_active Expired - Fee Related
- 2008-03-17 KR KR1020097020719A patent/KR101418627B1/ko active IP Right Grant
- 2008-03-17 WO PCT/US2008/003492 patent/WO2008123917A2/en active Application Filing
- 2008-03-17 EP EP08726902.3A patent/EP2135456B1/en not_active Not-in-force
- 2008-03-17 JP JP2010502080A patent/JP5273824B2/ja not_active Expired - Fee Related
- 2008-03-17 BR BRPI0809210-9A patent/BRPI0809210A2/pt active Search and Examination
- 2008-03-17 US US12/450,098 patent/US20100118933A1/en not_active Abandoned
- 2008-04-03 TW TW101109388A patent/TWI533669B/zh not_active IP Right Cessation
- 2008-04-03 TW TW097112372A patent/TWI422230B/zh not_active IP Right Cessation
- 2008-04-03 TW TW101109389A patent/TWI551116B/zh not_active IP Right Cessation
-
2012
- 2012-11-07 JP JP2012245139A patent/JP5558545B2/ja not_active Expired - Fee Related
-
2014
- 2014-06-03 JP JP2014114534A patent/JP6066425B2/ja not_active Expired - Fee Related
-
2016
- 2016-11-17 JP JP2016224226A patent/JP2017063471A/ja not_active Ceased
-
2018
- 2018-10-29 JP JP2018202442A patent/JP2019068427A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2019068427A (ja) | 2019-04-25 |
TWI422230B (zh) | 2014-01-01 |
EP2135456B1 (en) | 2017-05-03 |
BRPI0809210A2 (pt) | 2014-09-02 |
JP2013066200A (ja) | 2013-04-11 |
CN101647287B (zh) | 2013-10-30 |
JP2014195320A (ja) | 2014-10-09 |
KR20100015366A (ko) | 2010-02-12 |
TW200904198A (en) | 2009-01-16 |
TW201230814A (en) | 2012-07-16 |
TWI533669B (zh) | 2016-05-11 |
TW201230815A (en) | 2012-07-16 |
CN101647287A (zh) | 2010-02-10 |
KR101418627B1 (ko) | 2014-07-15 |
TWI551116B (zh) | 2016-09-21 |
EP2135456A2 (en) | 2009-12-23 |
WO2008123917A2 (en) | 2008-10-16 |
JP5558545B2 (ja) | 2014-07-23 |
US20100118933A1 (en) | 2010-05-13 |
WO2008123917A3 (en) | 2008-12-04 |
JP5273824B2 (ja) | 2013-08-28 |
JP2017063471A (ja) | 2017-03-30 |
JP2010524338A (ja) | 2010-07-15 |
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