TW200704204A - Methods and systems for rate control in video encoder - Google Patents

Methods and systems for rate control in video encoder

Info

Publication number
TW200704204A
TW200704204A TW095123129A TW95123129A TW200704204A TW 200704204 A TW200704204 A TW 200704204A TW 095123129 A TW095123129 A TW 095123129A TW 95123129 A TW95123129 A TW 95123129A TW 200704204 A TW200704204 A TW 200704204A
Authority
TW
Taiwan
Prior art keywords
current frame
video encoder
rate control
bits
systems
Prior art date
Application number
TW095123129A
Other languages
English (en)
Other versions
TWI324483B (en
Inventor
Do-Kyoung Kwon
Mei-Yin Shen
Chung-Chieh Kuo
Original Assignee
Mediatek 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 Mediatek Inc filed Critical Mediatek Inc
Publication of TW200704204A publication Critical patent/TW200704204A/zh
Application granted granted Critical
Publication of TWI324483B publication Critical patent/TWI324483B/zh

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
    • H04N19/102—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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/10—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
    • H04N19/189—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
    • H04N19/192—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H04N19/194—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW095123129A 2005-07-07 2006-06-27 Methods and systems for rate control in video encoder TWI324483B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/160,765 US7961783B2 (en) 2005-07-07 2005-07-07 Methods and systems for rate control in video encoder

Publications (2)

Publication Number Publication Date
TW200704204A true TW200704204A (en) 2007-01-16
TWI324483B TWI324483B (en) 2010-05-01

Family

ID=37598082

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095123129A TWI324483B (en) 2005-07-07 2006-06-27 Methods and systems for rate control in video encoder

Country Status (3)

Country Link
US (1) US7961783B2 (zh)
CN (1) CN100456835C (zh)
TW (1) TWI324483B (zh)

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TWI394462B (zh) * 2010-06-22 2013-04-21 Univ Nat Taiwan 基於視覺感知的位元-失真最佳化位元分配的位元率控制方法

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US8031774B2 (en) * 2005-01-31 2011-10-04 Mediatek Incoropration Video encoding methods and systems with frame-layer rate control
US8149918B2 (en) * 2005-11-10 2012-04-03 Electronics And Telecommunications Research Institute Method of estimating coded block pattern and method of determining block mode using the same for moving picture encoder
US8208548B2 (en) * 2006-02-09 2012-06-26 Qualcomm Incorporated Video encoding
US8437396B2 (en) * 2006-08-10 2013-05-07 Vixs Systems, Inc. Motion search module with field and frame processing and methods for use therewith
US8189676B2 (en) * 2007-04-05 2012-05-29 Hong Kong University Of Science & Technology Advance macro-block entropy coding for advanced video standards
KR100961742B1 (ko) 2008-12-15 2010-06-07 충북대학교 산학협력단 Ｈ.264/ａｖｃ의 매크로블록 단위 비트율 제어 방법
CN102648627B (zh) 2009-09-10 2015-03-04 杜比实验室特许公司 率失真优化量化的加速技术
EA201691822A1 (ru) * 2009-10-20 2017-05-31 Шарп Кабусики Кайся Устройство кодирования движущихся изображений, устройство декодирования движущихся изображений, система кодирования/декодирования движущихся изображений, способ кодирования движущихся изображений и способ декодирования движущихся изображений
US8897370B1 (en) * 2009-11-30 2014-11-25 Google Inc. Bitrate video transcoding based on video coding complexity estimation
US8238444B2 (en) * 2009-12-15 2012-08-07 National Taiwan University Perceptual-based video coding method
WO2011142279A1 (ja) 2010-05-13 2011-11-17 シャープ株式会社 符号化装置、復号装置、およびデータ構造
US8544496B2 (en) 2010-05-25 2013-10-01 Briggs & Stratton Corporation Garden hose booster system
USD665652S1 (en) 2010-06-23 2012-08-21 Briggs & Stratton Corporation Garden hose container
US9172956B2 (en) * 2010-11-23 2015-10-27 Lg Electronics Inc. Encoding and decoding images using inter-prediction
US9025665B2 (en) * 2011-07-01 2015-05-05 Cavium, Inc. Video encoder bit estimator for macroblock encoding
KR20130049524A (ko) * 2011-11-04 2013-05-14 오수미 인트라 예측 블록 생성 방법
US20130170543A1 (en) * 2011-12-30 2013-07-04 Ning Lu Systems, methods, and computer program products for streaming out of data for video transcoding and other applications
CN102595143B (zh) * 2012-03-19 2014-01-29 中国科学院声学研究所 一种无线视频传输方法
KR102161741B1 (ko) * 2013-05-02 2020-10-06 삼성전자주식회사 ＨＥＶＣ(high efficiency video coding)에서 코딩 유닛에 대한 양자화 파라미터를 변화시키는 방법과 장치, 및 시스템
CN103327325B (zh) * 2013-05-13 2016-05-25 西安电子科技大学 基于hevc标准的帧内预测模式快速自适应选择方法
US10080036B2 (en) * 2013-05-16 2018-09-18 City University Of Hong Kong Method and apparatus for depth video coding using endurable view synthesis distortion
US10523937B2 (en) * 2013-07-19 2019-12-31 Intel Corporation Method for noise shaping and a noise shaping filter
GB2619640B (en) * 2019-07-05 2024-06-05 V Nova Int Ltd Quantization of residuals in video coding

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US6212232B1 (en) * 1998-06-18 2001-04-03 Compaq Computer Corporation Rate control and bit allocation for low bit rate video communication applications
US7277483B1 (en) * 2000-04-18 2007-10-02 Ati International Srl Method and apparatus for rate control for constant-bit-rate finite-buffer-size video encoder
US20030152151A1 (en) * 2002-02-14 2003-08-14 Chao-Ho Hsieh Rate control method for real-time video communication by using a dynamic rate table
AU2003285850A1 (en) * 2002-04-23 2004-04-30 Nokia Corporation Method and device for indicating quantizer parameters in a video coding system
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CN1206864C (zh) * 2002-07-22 2005-06-15 中国科学院计算技术研究所 结合率失真优化的码率控制的方法及其装置
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI394462B (zh) * 2010-06-22 2013-04-21 Univ Nat Taiwan 基於視覺感知的位元-失真最佳化位元分配的位元率控制方法

Also Published As

Publication number Publication date
US7961783B2 (en) 2011-06-14
CN100456835C (zh) 2009-01-28
CN1893657A (zh) 2007-01-10
TWI324483B (en) 2010-05-01
US20070009026A1 (en) 2007-01-11

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