ES2826425T3 - Instrucción de codificación aritmética dedicada - Google Patents

Instrucción de codificación aritmética dedicada Download PDF

Info

Publication number
ES2826425T3
ES2826425T3 ES15724831T ES15724831T ES2826425T3 ES 2826425 T3 ES2826425 T3 ES 2826425T3 ES 15724831 T ES15724831 T ES 15724831T ES 15724831 T ES15724831 T ES 15724831T ES 2826425 T3 ES2826425 T3 ES 2826425T3
Authority
ES
Spain
Prior art keywords
cabac
input
amplitude
value
processor
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.)
Active
Application number
ES15724831T
Other languages
English (en)
Spanish (es)
Inventor
Bo Zhou
Mao Zeng
Erich James Plondke
Lucian Codrescu
Shu Xiao
Junchen Du
Suhail Jalil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ES2826425T3 publication Critical patent/ES2826425T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/30018—Bit or string instructions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/30025—Format conversion instructions, e.g. Floating-Point to Integer, decimal conversion
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units
    • G06F9/3893—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units controlled in tandem, e.g. multiplier-accumulator
    • G06F9/3895—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units controlled in tandem, e.g. multiplier-accumulator for complex operations, e.g. multidimensional or interleaved address generators, macros
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • H03M7/4012—Binary arithmetic codes
    • H03M7/4018—Context adapative binary arithmetic codes [CABAC]
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Advance Control (AREA)
  • Executing Machine-Instructions (AREA)
ES15724831T 2014-05-27 2015-04-30 Instrucción de codificación aritmética dedicada Active ES2826425T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/288,018 US9455743B2 (en) 2014-05-27 2014-05-27 Dedicated arithmetic encoding instruction
PCT/US2015/028443 WO2015183462A1 (en) 2014-05-27 2015-04-30 Dedicated arithmetic encoding instruction

Publications (1)

Publication Number Publication Date
ES2826425T3 true ES2826425T3 (es) 2021-05-18

Family

ID=53267582

Family Applications (1)

Application Number Title Priority Date Filing Date
ES15724831T Active ES2826425T3 (es) 2014-05-27 2015-04-30 Instrucción de codificación aritmética dedicada

Country Status (10)

Country Link
US (1) US9455743B2 (https=)
EP (1) EP3149947B1 (https=)
JP (1) JP6695813B2 (https=)
KR (1) KR102296153B1 (https=)
CN (1) CN106415484B (https=)
BR (1) BR112016027558B1 (https=)
CA (1) CA2947856A1 (https=)
ES (1) ES2826425T3 (https=)
TW (1) TWI669945B (https=)
WO (1) WO2015183462A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104394418B (zh) * 2014-09-23 2018-06-05 清华大学 一种视频数据编码、解码的方法及装置
WO2022231451A1 (en) * 2021-04-26 2022-11-03 Huawei Technologies Co., Ltd. Handling trailing bits in arithmetic encoding and decoding
CN118626147B (zh) * 2024-08-14 2024-11-01 北京开源芯片研究院 指令译码方法、装置、电子设备及可读介质

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69327927T2 (de) * 1992-08-31 2000-10-12 Sun Microsystems, Inc. Schnelles Vorausholen und Zuteilung von Befehlen mittels vorausschauender Anmerkungen von früher vorausgeholten
US7769088B2 (en) * 2003-05-28 2010-08-03 Broadcom Corporation Context adaptive binary arithmetic code decoding engine
US7061410B1 (en) * 2005-07-18 2006-06-13 Lsi Logic Corporation Method and/or apparatus for transcoding between H.264 CABAC and CAVLC entropy coding modes
CN100466739C (zh) * 2005-10-12 2009-03-04 华为技术有限公司 Cabac解码系统及方法
CN101087411A (zh) * 2006-06-08 2007-12-12 威盛电子股份有限公司 译码方法
US7656326B2 (en) 2006-06-08 2010-02-02 Via Technologies, Inc. Decoding of context adaptive binary arithmetic codes in computational core of programmable graphics processing unit
US8749409B2 (en) 2006-08-25 2014-06-10 Sony Computer Entertainment Inc. Entropy decoding methods and apparatus using most probable and least probable signal cases
US7561082B2 (en) 2006-12-29 2009-07-14 Intel Corporation High performance renormalization for binary arithmetic video coding
CN100531386C (zh) * 2007-06-15 2009-08-19 上海富瀚微电子有限公司 一种上下文自适应二进制算术编码器及其方法
US7839311B2 (en) * 2007-08-31 2010-11-23 Qualcomm Incorporated Architecture for multi-stage decoding of a CABAC bitstream
US7535387B1 (en) * 2007-09-10 2009-05-19 Xilinx, Inc. Methods and systems for implementing context adaptive binary arithmetic coding
US8782379B2 (en) * 2007-09-27 2014-07-15 Qualcomm Incorporated H.264 video decoder CABAC core optimization techniques
US7777654B2 (en) * 2007-10-16 2010-08-17 Industrial Technology Research Institute System and method for context-based adaptive binary arithematic encoding and decoding
US7932843B2 (en) * 2008-10-17 2011-04-26 Texas Instruments Incorporated Parallel CABAC decoding for video decompression
US7982641B1 (en) 2008-11-06 2011-07-19 Marvell International Ltd. Context-based adaptive binary arithmetic coding engine
US8638850B2 (en) * 2009-05-06 2014-01-28 Advanced Micro Devices, Inc. Execution units for context adaptive binary arithmetic coding (CABAC)
US20110125987A1 (en) 2009-11-20 2011-05-26 Qualcomm Incorporated Dedicated Arithmetic Decoding Instruction
US8913662B2 (en) * 2011-01-06 2014-12-16 Qualcomm Incorporated Indicating intra-prediction mode selection for video coding using CABAC
JP6130839B2 (ja) 2011-10-06 2017-05-17 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン エントロピー符号化
US10289412B2 (en) * 2012-02-09 2019-05-14 Qualcomm Incorporated Floating point constant generation instruction

Also Published As

Publication number Publication date
JP6695813B2 (ja) 2020-05-20
JP2017525005A (ja) 2017-08-31
US20150349796A1 (en) 2015-12-03
KR20170013222A (ko) 2017-02-06
EP3149947A1 (en) 2017-04-05
BR112016027558B1 (pt) 2023-03-14
TWI669945B (zh) 2019-08-21
WO2015183462A1 (en) 2015-12-03
EP3149947B1 (en) 2020-07-22
TW201607294A (zh) 2016-02-16
BR112016027558A2 (https=) 2017-08-15
CA2947856A1 (en) 2015-12-03
KR102296153B1 (ko) 2021-08-30
CN106415484A (zh) 2017-02-15
CN106415484B (zh) 2019-02-01
US9455743B2 (en) 2016-09-27

Similar Documents

Publication Publication Date Title
JP6598947B2 (ja) オーディオ／ビデオサンプルベクトルのピラミッドベクトル量子化インデクシング及びデインデクシングの方法及び装置
JP5006451B2 (ja) 最適ｃａｂａｃ復号器
JP5313362B2 (ja) 可変長固定長コードの高速パーシング
CN104904123B (zh) 压缩多字节帧的方法、装置和计算机可读介质
JP4976553B2 (ja) Ｃａｂａｃビットストリームの多段復号のためのアーキテクチャ
US10187081B1 (en) Dictionary preload for data compression
TWI360956B (en) Cabac decoding apparatus and decoding method there
JP2021527376A (ja) データ圧縮
ES2826425T3 (es) Instrucción de codificación aritmética dedicada
CN109690957B (zh) 熵编码的系统级测试
CN100440979C (zh) 基于上下文的自适应二维变长解码方法和装置
US20110125987A1 (en) Dedicated Arithmetic Decoding Instruction
WO2020095706A1 (ja) 符号化装置、復号装置、符号列のデータ構造、符号化方法、復号方法、符号化プログラム、復号プログラム
CN103746704B (zh) 基于双游程交替编码的芯片测试数据传输方法
KR101030726B1 (ko) 확률적 테이블에 의해 생성된 심볼을 기반으로 호프만 테이블을 적용한 메모리 효율이 개선된 멀티미디어용 호프만 디코딩 방법 및 장치
CN119582855A (zh) 解压数据的方法、压缩数据的方法、装置及设备
US20130042091A1 (en) BIT Splitting Instruction
TWI498891B (zh) 解壓縮電路與相關的壓縮方法與解壓縮方法
KR100686354B1 (ko) 가변 트리를 이용한 허프만 복호화 방법 및 장치
TW202418807A (zh) 非疊代的熵編碼
JP2026055421A (ja) データ圧縮装置およびデータ圧縮伸長システム
JP2021064900A (ja) 情報処理装置、情報処理方法及びプログラム
Zhao Lossless audio data compression
BRPI0806178A2 (pt) método e aparato para compressão e descompressão de sinais digitais