KR102210946B1 - 스크린 컨텐츠의 딕셔너리 인코딩 및 디코딩 - Google Patents
스크린 컨텐츠의 딕셔너리 인코딩 및 디코딩 Download PDFInfo
- 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
- Authority
- KR
- South Korea
- Prior art keywords
- pixel values
- dictionary
- value
- offset
- decoding
- Prior art date
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Classifications
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- 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
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- 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
- H03M7/3068—Precoding preceding compression, e.g. Burrows-Wheeler transformation
- H03M7/3071—Prediction
- H03M7/3075—Space
-
- 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
- H03M7/3084—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
- H03M7/3086—Compression; 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
-
- 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
- H03M7/3084—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
- H03M7/3088—Compression; 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
-
- 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
- H04N19/182—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 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)
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 |
Family
ID=54054319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020167027340A KR102210946B1 (ko) | 2014-03-04 | 2014-03-04 | 스크린 컨텐츠의 딕셔너리 인코딩 및 디코딩 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3114840A4 (zh) |
KR (1) | KR102210946B1 (zh) |
CN (1) | CN105230021B (zh) |
WO (1) | WO2015131304A1 (zh) |
Families Citing this family (8)
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)
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 |
-
2014
- 2014-03-04 EP EP14884822.9A patent/EP3114840A4/en not_active Withdrawn
- 2014-03-04 WO PCT/CN2014/072774 patent/WO2015131304A1/en active Application Filing
- 2014-03-04 KR KR1020167027340A patent/KR102210946B1/ko active IP Right Grant
- 2014-03-04 CN CN201480029702.0A patent/CN105230021B/zh active Active
Non-Patent Citations (3)
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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