KR102210946B1 - 스크린 컨텐츠의 딕셔너리 인코딩 및 디코딩 - Google Patents

스크린 컨텐츠의 딕셔너리 인코딩 및 디코딩 Download PDF

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Publication number
KR102210946B1
KR102210946B1 KR1020167027340A KR20167027340A KR102210946B1 KR 102210946 B1 KR102210946 B1 KR 102210946B1 KR 1020167027340 A KR1020167027340 A KR 1020167027340A KR 20167027340 A KR20167027340 A KR 20167027340A KR 102210946 B1 KR102210946 B1 KR 102210946B1
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KR
South Korea
Prior art keywords
pixel values
dictionary
value
offset
decoding
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KR1020167027340A
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English (en)
Korean (ko)
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KR20160129076A (ko
Inventor
빈 리
지정 쉬
펑 위
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마이크로소프트 테크놀로지 라이센싱, 엘엘씨
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Publication of KR20160129076A publication Critical patent/KR20160129076A/ko
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3068Precoding preceding compression, e.g. Burrows-Wheeler transformation
    • H03M7/3071Prediction
    • H03M7/3075Space
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3084Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
    • H03M7/3086Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method employing a sliding window, e.g. LZ77
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3084Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
    • H03M7/3088Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method employing the use of a dictionary, e.g. LZ78
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/182Methods 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 pixel

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020167027340A 2014-03-04 2014-03-04 스크린 컨텐츠의 딕셔너리 인코딩 및 디코딩 KR102210946B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/072774 WO2015131304A1 (en) 2014-03-04 2014-03-04 Dictionary encoding and decoding of screen content

Publications (2)

Publication Number Publication Date
KR20160129076A KR20160129076A (ko) 2016-11-08
KR102210946B1 true KR102210946B1 (ko) 2021-02-01

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EP (1) EP3114840A4 (zh)
KR (1) KR102210946B1 (zh)
CN (1) CN105230021B (zh)
WO (1) WO2015131304A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10523956B2 (en) 2016-11-16 2019-12-31 Citrix Systems, Inc. Multi-pixel caching scheme for lossless encoding
FI20175006A1 (en) * 2017-01-03 2019-02-15 Nokia Technologies Oy Video and image coding using wide-angle intra-prediction
KR101850649B1 (ko) 2017-05-11 2018-04-20 중앙대학교 산학협력단 센서스 변환 기반의 스테레오 정합 장치 및 방법
CN111836051B (zh) * 2019-04-15 2023-07-14 深信服科技股份有限公司 一种桌面图像编码、解码方法及相关装置
BR112022018960A2 (pt) 2020-03-21 2022-11-16 Beijing Bytedance Network Tech Co Ltd Método de processamento de vídeo, aparelho para processamento de dados de vídeo, meios de armazenamento e de gravação não transitórios legíveis por computador
CN113365065B (zh) * 2021-06-09 2024-04-26 湖南大学 用于rpa机器人屏幕录制的无损视频编码方法和解码方法
CN113709553A (zh) * 2021-09-30 2021-11-26 深圳市欢太数字科技有限公司 一种屏幕录制方法、装置、芯片和终端
CN115866287B (zh) * 2023-02-22 2023-05-05 深圳市网联天下科技有限公司 一种智慧校园管理平台的数据高效传输方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7023924B1 (en) * 2000-12-28 2006-04-04 Emc Corporation Method of pausing an MPEG coded video stream
US7031540B2 (en) * 2001-09-12 2006-04-18 Mobitv, Inc. Transformation to increase the lempel-ziv compressibility of images with minimal visual distortion
CN101420606A (zh) * 2007-10-23 2009-04-29 青岛海信电器股份有限公司 图像处理方法和装置
CN102113326A (zh) * 2008-08-04 2011-06-29 杜比实验室特许公司 重叠块差异估计和补偿体系结构
CN103281538B (zh) * 2013-06-06 2016-01-13 上海交通大学 基于滚动哈希和块级别帧内预测的帧内编码方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
David Salomon, "Data Compression", Springer, 2007.*
Nathanael J. Brittain et. al., "Grayscale true two-dimensional dictionary-based image compression", elsevier, 2006.10.25.*
Pei-jun Zhang et. al., "Screen Content Coding by Combined Full-chroma LZMA and Subsampled-chroma HEVC", Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology 35(1):196-202, 2014.01.31.*

Also Published As

Publication number Publication date
CN105230021B (zh) 2018-11-09
EP3114840A1 (en) 2017-01-11
EP3114840A4 (en) 2017-03-08
CN105230021A (zh) 2016-01-06
WO2015131304A1 (en) 2015-09-11
KR20160129076A (ko) 2016-11-08

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