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WO2009011279A1 - 映像符号化装置および方法、映像符号化プログラムおよびそのプログラムを記録した記録媒体 - Google Patents

映像符号化装置および方法、映像符号化プログラムおよびそのプログラムを記録した記録媒体 Download PDF

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Publication number
WO2009011279A1
WO2009011279A1 PCT/JP2008/062484 JP2008062484W WO2009011279A1 WO 2009011279 A1 WO2009011279 A1 WO 2009011279A1 JP 2008062484 W JP2008062484 W JP 2008062484W WO 2009011279 A1 WO2009011279 A1 WO 2009011279A1
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WO
WIPO (PCT)
Prior art keywords
video encoding
program
step size
quantization step
recording medium
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.)
Ceased
Application number
PCT/JP2008/062484
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English (en)
French (fr)
Inventor
Atsushi Shimizu
Yasuyuki Nakajima
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to BRPI0813491-0A priority Critical patent/BRPI0813491B1/pt
Priority to CA 2692782 priority patent/CA2692782C/en
Priority to JP2009523622A priority patent/JP4987080B2/ja
Priority to US12/667,650 priority patent/US9271008B2/en
Priority to KR1020107000089A priority patent/KR101103698B1/ko
Priority to EP08791042A priority patent/EP2169962A4/en
Priority to CN2008800244371A priority patent/CN101743754B/zh
Publication of WO2009011279A1 publication Critical patent/WO2009011279A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H04N19/42—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
    • H04N19/436—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 using parallelised computational arrangements
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

　符号化対象領域の映像信号とその予測信号との予測誤差信号に対して直交変換を施し、その結果得られる直交変換係数を予め設定した量子化ステップサイズで量子化して符号化する映像符号化装置および方法。前記予測誤差信号の電力である予測誤差電力を算出し、前記算出した予測誤差電力と、前記設定の量子化ステップサイズと、符号化対象領域の発生符号量の上限値とを入力として、前記設定の量子化ステップサイズで量子化を行うときに発生することになる符号量がその上限値を超えるのか否かを判断し、前記判断結果に基づいて、符号化処理を変更する。
PCT/JP2008/062484 2007-07-17 2008-07-10 映像符号化装置および方法、映像符号化プログラムおよびそのプログラムを記録した記録媒体 Ceased WO2009011279A1 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BRPI0813491-0A BRPI0813491B1 (pt) 2007-07-17 2008-07-10 Aparelho para codificação de vídeo e método para codificação de vídeo
CA 2692782 CA2692782C (en) 2007-07-17 2008-07-10 Video encoding apparatus and method, video encoding program, and storage medium which stores the program
JP2009523622A JP4987080B2 (ja) 2007-07-17 2008-07-10 映像符号化装置および方法、映像符号化プログラムおよびそのプログラムを記録した記録媒体
US12/667,650 US9271008B2 (en) 2007-07-17 2008-07-10 Video encoding apparatus and method, video encoding program, and storage medium which stores the program
KR1020107000089A KR101103698B1 (ko) 2007-07-17 2008-07-10 영상 부호화 장치 및 방법, 영상 부호화 프로그램 및 그 프로그램을 기록한 기록 매체
EP08791042A EP2169962A4 (en) 2007-07-17 2008-07-10 VIDEO CODING DEVICE AND METHOD, VIDEO CODING PROGRAM AND RECORDING MEDIUM WITH THE PROGRAM
CN2008800244371A CN101743754B (zh) 2007-07-17 2008-07-10 视频编码装置及方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007185374 2007-07-17
JP2007-185374 2007-07-17

Publications (1)

Publication Number Publication Date
WO2009011279A1 true WO2009011279A1 (ja) 2009-01-22

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Country Status (10)

Country Link
US (1) US9271008B2 (ja)
EP (1) EP2169962A4 (ja)
JP (1) JP4987080B2 (ja)
KR (1) KR101103698B1 (ja)
CN (1) CN101743754B (ja)
BR (1) BRPI0813491B1 (ja)
CA (1) CA2692782C (ja)
RU (1) RU2444857C2 (ja)
TW (1) TWI386065B (ja)
WO (1) WO2009011279A1 (ja)

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CN101867799B (zh) * 2009-04-17 2011-11-16 北京大学 一种视频帧处理方法和视频编码器
JP2012147191A (ja) * 2011-01-11 2012-08-02 Sony Corp 画像処理装置および方法
JP2013093774A (ja) * 2011-10-26 2013-05-16 Canon Inc 符号化装置、及びその制御方法
JP2014099895A (ja) * 2014-01-10 2014-05-29 Sony Corp 画像処理装置および方法
JP2017135727A (ja) * 2017-03-03 2017-08-03 ソニー株式会社 画像処理装置および方法、プログラム、並びに記録媒体
JP2017135728A (ja) * 2017-03-03 2017-08-03 ソニー株式会社 画像処理装置および方法、プログラム、並びに記録媒体

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SG10201400802XA (en) * 2009-03-23 2014-07-30 Ntt Docomo Inc Image predictive encoding device, image predictive encoding method, image predictive encoding program, image predictive decoding device, image predictive decoding method, and image predictive decoding program
UA109312C2 (uk) 2011-03-04 2015-08-10 Імпульсно-кодова модуляція з квантуванням при кодуванні відеоінформації
US8923388B2 (en) * 2011-11-21 2014-12-30 Texas Instruments Incorporated Early stage slice cap decision in video coding
JP2014003587A (ja) * 2012-05-25 2014-01-09 Canon Inc 画像符号化装置及びその方法
TWI754206B (zh) * 2020-01-10 2022-02-01 祥碩科技股份有限公司 資料儲存系統、資料儲存裝置及其管理方法
US12087020B2 (en) 2021-09-15 2024-09-10 Synaptics Incorporated Image compression method and apparatus

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101867799B (zh) * 2009-04-17 2011-11-16 北京大学 一种视频帧处理方法和视频编码器
US10979739B2 (en) 2011-01-11 2021-04-13 Velos Media, Llc Image processing apparatus and method
JP2012147191A (ja) * 2011-01-11 2012-08-02 Sony Corp 画像処理装置および方法
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US12407872B2 (en) 2011-01-11 2025-09-02 Sony Group Corporation Image processing apparatus and method
US12047611B2 (en) 2011-01-11 2024-07-23 Sony Group Corporation Image processing apparatus and method
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US10432976B2 (en) 2011-01-11 2019-10-01 Velos Media, Llc Image processing apparatus and method
JP2013093774A (ja) * 2011-10-26 2013-05-16 Canon Inc 符号化装置、及びその制御方法
JP2014099895A (ja) * 2014-01-10 2014-05-29 Sony Corp 画像処理装置および方法
JP2017135728A (ja) * 2017-03-03 2017-08-03 ソニー株式会社 画像処理装置および方法、プログラム、並びに記録媒体
JP2017135727A (ja) * 2017-03-03 2017-08-03 ソニー株式会社 画像処理装置および方法、プログラム、並びに記録媒体

Also Published As

Publication number Publication date
BRPI0813491A2 (pt) 2015-08-18
TWI386065B (zh) 2013-02-11
CN101743754A (zh) 2010-06-16
JP4987080B2 (ja) 2012-07-25
BRPI0813491B1 (pt) 2020-10-06
RU2444857C2 (ru) 2012-03-10
TW200908752A (en) 2009-02-16
KR101103698B1 (ko) 2012-01-11
CA2692782C (en) 2013-09-24
RU2009148766A (ru) 2011-07-10
KR20100018033A (ko) 2010-02-16
EP2169962A4 (en) 2012-04-11
CA2692782A1 (en) 2009-01-22
US9271008B2 (en) 2016-02-23
US20110013693A1 (en) 2011-01-20
EP2169962A1 (en) 2010-03-31
JPWO2009011279A1 (ja) 2010-09-24
CN101743754B (zh) 2012-04-18

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