KR101477435B1 - 비디오 코딩에서 고정 소수점 변환들을 위한 가변 로컬화 비트 깊이 증가 - Google Patents

비디오 코딩에서 고정 소수점 변환들을 위한 가변 로컬화 비트 깊이 증가 Download PDF

Info

Publication number
KR101477435B1
KR101477435B1 KR1020137003945A KR20137003945A KR101477435B1 KR 101477435 B1 KR101477435 B1 KR 101477435B1 KR 1020137003945 A KR1020137003945 A KR 1020137003945A KR 20137003945 A KR20137003945 A KR 20137003945A KR 101477435 B1 KR101477435 B1 KR 101477435B1
Authority
KR
South Korea
Prior art keywords
transform
value
bit
constant value
video
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.)
Expired - Fee Related
Application number
KR1020137003945A
Other languages
English (en)
Korean (ko)
Other versions
KR20130054354A (ko
Inventor
라잔 엘 조쉬
웨이-정 치엔
마르타 카르체비츠
유리 레즈닉
페이송 천
샤오-창 추앙
Original Assignee
퀄컴 인코포레이티드
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20130054354A publication Critical patent/KR20130054354A/ko
Application granted granted Critical
Publication of KR101477435B1 publication Critical patent/KR101477435B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020137003945A 2010-07-15 2011-07-08 비디오 코딩에서 고정 소수점 변환들을 위한 가변 로컬화 비트 깊이 증가 Expired - Fee Related KR101477435B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US36478410P 2010-07-15 2010-07-15
US61/364,784 2010-07-15
US37076010P 2010-08-04 2010-08-04
US61/370,760 2010-08-04
US13/159,063 US9185422B2 (en) 2010-07-15 2011-06-13 Variable localized bit-depth increase for fixed-point transforms in video coding
US13/159,063 2011-06-13
PCT/US2011/043462 WO2012009237A1 (en) 2010-07-15 2011-07-08 Variable localized bit depth increase for fixed-point transforms in video coding

Publications (2)

Publication Number Publication Date
KR20130054354A KR20130054354A (ko) 2013-05-24
KR101477435B1 true KR101477435B1 (ko) 2014-12-30

Family

ID=45466982

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020137003945A Expired - Fee Related KR101477435B1 (ko) 2010-07-15 2011-07-08 비디오 코딩에서 고정 소수점 변환들을 위한 가변 로컬화 비트 깊이 증가

Country Status (6)

Country Link
US (1) US9185422B2 (enExample)
EP (1) EP2594072B1 (enExample)
JP (1) JP5727006B2 (enExample)
KR (1) KR101477435B1 (enExample)
CN (1) CN103004192B (enExample)
WO (1) WO2012009237A1 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI433096B (zh) * 2011-01-27 2014-04-01 Novatek Microelectronics Corp 面板驅動電路
US9621890B2 (en) * 2011-10-20 2017-04-11 Thomson Licensing Method and device for encoding a video frame, method and device for decoding a video frame and storage medium
CN106162185B (zh) * 2012-01-20 2019-10-18 维洛媒体国际有限公司 色度量化参数扩展
TWI618397B (zh) 2012-12-21 2018-03-11 杜比實驗室特許公司 在高位元深度視訊的可適性編碼中,高精度升取樣
JP6157114B2 (ja) * 2012-12-28 2017-07-05 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
RU2016115055A (ru) * 2013-09-20 2017-10-25 Вид Скейл, Инк. Системы и способы обеспечения кодирования 3d справочной таблицы для масштабируемости цветовой гаммы
GB2521349A (en) * 2013-12-05 2015-06-24 Sony Corp Data encoding and decoding
KR101786414B1 (ko) 2013-12-13 2017-10-17 브이아이디 스케일, 인크. 보간을 이용하는 루마 및 크로마의 위상 정렬을 위한 컬러 색역 스케일러블 비디오 코딩 디바이스 및 방법
US9432696B2 (en) 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
US9516345B2 (en) 2014-03-17 2016-12-06 Qualcomm Incorporated Systems and methods for low complexity forward transforms using mesh-based calculations
US10863200B2 (en) * 2014-07-25 2020-12-08 Intel Corporation Techniques for performing a forward transformation by a video encoder using a forward transform matrix
CN105513587B (zh) * 2014-09-22 2020-07-24 联想(北京)有限公司 一种mfcc提取方法及装置
US11363282B1 (en) * 2016-09-07 2022-06-14 Quantum Radius Corporation System and method for low latency distributed image compression and composition
JP6324590B2 (ja) * 2017-05-25 2018-05-16 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
WO2019003676A1 (ja) * 2017-06-29 2019-01-03 ソニー株式会社 画像処理装置と画像処理方法およびプログラム
EP3754987A4 (en) * 2018-02-14 2021-04-14 Sony Corporation Image-processing device and method
WO2019159696A1 (ja) * 2018-02-14 2019-08-22 ソニー株式会社 画像処理装置および方法
JP2018142969A (ja) * 2018-04-11 2018-09-13 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
CN110662050B (zh) 2018-06-29 2022-06-14 北京字节跳动网络技术有限公司 处理视频数据的方法、装置及存储介质
EP3751852A1 (en) * 2019-06-12 2020-12-16 intoPIX s.a. Encoder and method of encoding a sequence of frames
CN120980251A (zh) * 2019-09-24 2025-11-18 Oppo广东移动通信有限公司 预测值的确定方法、编码器、解码器以及计算机存储介质
US11375219B2 (en) * 2019-09-24 2022-06-28 Tencent America LLC Coding method and system with improved dynamic internal bit depth

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090027670A (ko) * 2006-06-26 2009-03-17 퀄컴 인코포레이티드 역이산 코사인 변환의 계산 중의 에러 감소

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7082450B2 (en) 2001-08-30 2006-07-25 Nokia Corporation Implementation of a transform and of a subsequent quantization
US7689052B2 (en) * 2005-10-07 2010-03-30 Microsoft Corporation Multimedia signal processing using fixed-point approximations of linear transforms
US8548265B2 (en) 2006-01-05 2013-10-01 Fastvdo, Llc Fast multiplierless integer invertible transforms
US8595281B2 (en) * 2006-01-11 2013-11-26 Qualcomm Incorporated Transforms with common factors
US8699810B2 (en) 2006-06-26 2014-04-15 Qualcomm Incorporated Efficient fixed-point approximations of forward and inverse discrete cosine transforms
CN101458679B (zh) 2007-12-10 2012-01-25 辉达公司 统一反向离散余弦变换(idct)微码处理器引擎
US8607023B1 (en) 2009-12-16 2013-12-10 Applied Micro Circuits Corporation System-on-chip with dynamic memory module switching

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090027670A (ko) * 2006-06-26 2009-03-17 퀄컴 인코포레이티드 역이산 코사인 변환의 계산 중의 에러 감소

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
M. Karczewicz, et al. Video coding technology proposal by Qualcomm Inc. JCT-VC of ITU-T SG16 WP3 & ISO/IEC JTC1/SC29/WG11. JCTVC-A121. 1st Meeting: Dresden. Apr. 15-23, 2010, pp.1-24 *
M. Karczewicz, et al. Video coding technology proposal by Qualcomm Inc. JCT-VC of ITU-T SG16 WP3 & ISO/IEC JTC1/SC29/WG11. JCTVC-A121. 1st Meeting: Dresden. Apr. 15-23, 2010, pp.1-24*

Also Published As

Publication number Publication date
KR20130054354A (ko) 2013-05-24
JP2013534795A (ja) 2013-09-05
CN103004192B (zh) 2016-05-04
US9185422B2 (en) 2015-11-10
EP2594072A1 (en) 2013-05-22
US20120014455A1 (en) 2012-01-19
JP5727006B2 (ja) 2015-06-03
CN103004192A (zh) 2013-03-27
EP2594072B1 (en) 2016-08-17
WO2012009237A1 (en) 2012-01-19

Similar Documents

Publication Publication Date Title
KR101477435B1 (ko) 비디오 코딩에서 고정 소수점 변환들을 위한 가변 로컬화 비트 깊이 증가
US20250373803A1 (en) Video content delivery methods
CA2841957C (en) Coefficient scanning in video coding
JP2013534795A5 (enExample)
KR101640973B1 (ko) 매핑된 변환들 및 스캐닝 모드들을 이용한 비디오 코딩
US20120307893A1 (en) Fast computing of discrete cosine and sine transforms of types vi and vii
JP2013502624A (ja) メディアデータ符号化用8点変換
US20160191951A1 (en) Secondary boundary filtering for video coding
JP2012531670A (ja) メディアデータ符号化用8点変換
US20120163448A1 (en) Coding the position of a last significant coefficient of a video block in video coding
JP2012524330A (ja) 偶数サイズ離散コサイン変換の計算
KR20120128691A (ko) 모션 보간을 위한 색차 고 정밀도 모션 필터링
KR20100072351A (ko) 비디오 블록의 인터리빙된 서브­블록들의 엔트로피 코딩
CN103238326A (zh) 使用变换系数的基于函数的扫描次序的视频译码
CN102713895A (zh) 用于媒体编码的4x4变换
KR20120048571A (ko) 미디어 데이터 코딩을 위한 16-포인트 변환
CN106688234B (zh) 用于图像变换的处理器系统、视频编解码器和方法
JP2013502626A (ja) メディアデータコーディングのための16点変換
JP2014525169A (ja) ルーマおよびクロマブロックのためのvlc係数コーディング
US20120163460A1 (en) Sub-pixel interpolation for video coding
KR101652183B1 (ko) Vlc 코드워드들을 이용한 코딩 구문 요소들
US8634466B2 (en) Video decoder plus a discrete cosine transform unit

Legal Events

Date Code Title Description
A201 Request for examination
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

P22-X000 Classification modified

St.27 status event code: A-2-2-P10-P22-nap-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
P22-X000 Classification modified

St.27 status event code: A-2-2-P10-P22-nap-X000

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

FPAY Annual fee payment

Payment date: 20170929

Year of fee payment: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20181223

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20181223