JP5727006B2 - ビデオ符号化における固定小数点変換のための可変局所ビット深度増加 - Google Patents

ビデオ符号化における固定小数点変換のための可変局所ビット深度増加 Download PDF

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JP5727006B2
JP5727006B2 JP2013519732A JP2013519732A JP5727006B2 JP 5727006 B2 JP5727006 B2 JP 5727006B2 JP 2013519732 A JP2013519732 A JP 2013519732A JP 2013519732 A JP2013519732 A JP 2013519732A JP 5727006 B2 JP5727006 B2 JP 5727006B2
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transform
value
bit depth
constant value
video
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Japanese (ja)
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JP2013534795A (ja
JP2013534795A5 (enExample
Inventor
ジョシ、ラジャン・エル．
チエン、ウェイ−ジュン
カークゼウィックズ、マルタ
レズニク、ユリー
チェン、ペイソン
チュアン、シャオ−チアン
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/12—Selection 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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/134—Methods 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/169—Methods 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
    • H04N19/17—Methods 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
    • H04N19/176—Methods 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
    • 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
    • H04N19/169—Methods 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
    • H04N19/184—Methods 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
    • 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
    • H04N19/189—Methods 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
    • H04N19/196—Methods 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
    • 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
    • H04N19/42—Methods 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • 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

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  • 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)
JP2013519732A 2010-07-15 2011-07-08 ビデオ符号化における固定小数点変換のための可変局所ビット深度増加 Expired - Fee Related JP5727006B2 (ja)

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 (3)

Publication Number Publication Date
JP2013534795A JP2013534795A (ja) 2013-09-05
JP2013534795A5 JP2013534795A5 (enExample) 2015-04-02
JP5727006B2 true JP5727006B2 (ja) 2015-06-03

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JP2013519732A Expired - Fee Related JP5727006B2 (ja) 2010-07-15 2011-07-08 ビデオ符号化における固定小数点変換のための可変局所ビット深度増加

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)

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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

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US7689052B2 (en) * 2005-10-07 2010-03-30 Microsoft Corporation Multimedia signal processing using fixed-point approximations of linear transforms
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US8595281B2 (en) * 2006-01-11 2013-11-26 Qualcomm Incorporated Transforms with common factors
US8385424B2 (en) * 2006-06-26 2013-02-26 Qualcomm Incorporated Reduction of errors during computation of inverse discrete cosine transform
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

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
KR101477435B1 (ko) 2014-12-30
CN103004192A (zh) 2013-03-27
EP2594072B1 (en) 2016-08-17
WO2012009237A1 (en) 2012-01-19

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