DE602006016594D1 - Fest-techniken für die division mit ganzen zahlen zur ac/dc-prädiktion in videocodierungseinrichtungen - Google Patents

Fest-techniken für die division mit ganzen zahlen zur ac/dc-prädiktion in videocodierungseinrichtungen

Info

Publication number
DE602006016594D1
DE602006016594D1 DE602006016594T DE602006016594T DE602006016594D1 DE 602006016594 D1 DE602006016594 D1 DE 602006016594D1 DE 602006016594 T DE602006016594 T DE 602006016594T DE 602006016594 T DE602006016594 T DE 602006016594T DE 602006016594 D1 DE602006016594 D1 DE 602006016594D1
Authority
DE
Germany
Prior art keywords
division
prediction
coding
numbers
lut
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
DE602006016594T
Other languages
English (en)
Inventor
Shu Xiao
Junchen Du
Tao Shen
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
Publication of DE602006016594D1 publication Critical patent/DE602006016594D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49942—Significance control
    • G06F7/49947—Rounding
    • G06F7/49963—Rounding to nearest
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/52—Multiplying; Dividing
    • G06F7/535—Dividing only
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2101/00—Indexing scheme relating to the type of digital function generated
    • G06F2101/12—Reciprocal functions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/535—Indexing scheme relating to groups G06F7/535 - G06F7/5375
    • G06F2207/5356—Via reciprocal, i.e. calculate reciprocal only, or calculate reciprocal first and then the quotient from the reciprocal and the numerator
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
    • G06F7/487—Multiplying; Dividing
    • G06F7/4873—Dividing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)
DE602006016594T 2005-05-25 2006-05-25 Fest-techniken für die division mit ganzen zahlen zur ac/dc-prädiktion in videocodierungseinrichtungen Active DE602006016594D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/137,069 US7895250B2 (en) 2005-05-25 2005-05-25 Fixed point integer division techniques for AC/DC prediction in video coding devices
PCT/US2006/020637 WO2006128076A2 (en) 2005-05-25 2006-05-25 Fixed point integer division techniques for ac/dc prediction in video coding devices

Publications (1)

Publication Number Publication Date
DE602006016594D1 true DE602006016594D1 (de) 2010-10-14

Family

ID=37150036

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006016594T Active DE602006016594D1 (de) 2005-05-25 2006-05-25 Fest-techniken für die division mit ganzen zahlen zur ac/dc-prädiktion in videocodierungseinrichtungen

Country Status (9)

Country Link
US (1) US7895250B2 (de)
EP (1) EP1884119B1 (de)
JP (1) JP4741658B2 (de)
KR (1) KR100953554B1 (de)
CN (1) CN101223788B (de)
AT (1) ATE480103T1 (de)
DE (1) DE602006016594D1 (de)
TW (1) TW200706010A (de)
WO (1) WO2006128076A2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100370834C (zh) * 2005-08-08 2008-02-20 北京中星微电子有限公司 多模图像编解码芯片中的系数缩放计算模块
JP2009060153A (ja) * 2005-12-21 2009-03-19 Panasonic Corp 面内予測モード決定方法及び装置及びプログラム
US8185567B2 (en) * 2006-01-02 2012-05-22 Telecommunication Systems, Inc. Location aware content using presence information data formation with location object (PIDF-LO)
JP4621629B2 (ja) * 2006-05-25 2011-01-26 株式会社東芝 画像復号装置
CN101543080B (zh) * 2007-04-23 2012-06-20 松下电器产业株式会社 解码电路、解码方法及图像再生装置
WO2009084814A1 (en) * 2007-12-28 2009-07-09 Lg Electronics Inc. Method for encoding and decoding image of ftv, and apparatus for encoding and decoding image of ftv
US8503527B2 (en) 2008-10-03 2013-08-06 Qualcomm Incorporated Video coding with large macroblocks
EP3648059B1 (de) * 2018-10-29 2021-02-24 Axis AB Videoverarbeitungsvorrichtung und verfahren zum bestimmen von bewegungsmetadaten für ein codiertes video
US11076152B2 (en) * 2019-03-18 2021-07-27 Sony Group Corporation Quantization step parameter for point cloud compression
CN110221808B (zh) * 2019-06-03 2020-10-09 深圳芯英科技有限公司 向量乘加运算的预处理方法、乘加器及计算机可读介质
US11368693B2 (en) * 2019-07-01 2022-06-21 Sony Group Corporation Forward and inverse quantization for point cloud compression using look-up tables
CN112765697B (zh) * 2021-01-25 2024-04-30 深圳市旗众智能科技有限公司 点钻机根据轨迹生成钻点示教的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001103472A (ja) * 1999-09-30 2001-04-13 Matsushita Electric Ind Co Ltd Ｍｐｅｇ−４逆ｄｃ／ａｃ予測の固定点実施用の方法および装置
US7113646B2 (en) 2001-06-29 2006-09-26 Equator Technologies, Inc. Decoding of predicted AC coefficient without division
FI20011610A0 (fi) * 2001-08-07 2001-08-07 Nokia Corp Menetelmä ja laite jakolaskun suorittamiseksi
KR100418437B1 (ko) * 2001-12-24 2004-02-14 (주)씨앤에스 테크놀로지 멀티미디어 신호처리를 위한 영상복원 프로세서
US7280595B1 (en) * 2003-10-21 2007-10-09 Redrock Semiconductor, Ltd. Post-inverse-quantization AC prediction with a unified variable-length-decoding and inverse-quantization stage

Also Published As

Publication number Publication date
KR20080038089A (ko) 2008-05-02
KR100953554B1 (ko) 2010-04-21
WO2006128076A2 (en) 2006-11-30
US20060282237A1 (en) 2006-12-14
JP2008543182A (ja) 2008-11-27
EP1884119A2 (de) 2008-02-06
CN101223788A (zh) 2008-07-16
WO2006128076A3 (en) 2007-02-01
JP4741658B2 (ja) 2011-08-03
CN101223788B (zh) 2010-12-22
TW200706010A (en) 2007-02-01
ATE480103T1 (de) 2010-09-15
US7895250B2 (en) 2011-02-22
EP1884119B1 (de) 2010-09-01

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