CN109257602A - 自适应量化方法 - Google Patents
自适应量化方法 Download PDFInfo
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- CN109257602A CN109257602A CN201811260519.8A CN201811260519A CN109257602A CN 109257602 A CN109257602 A CN 109257602A CN 201811260519 A CN201811260519 A CN 201811260519A CN 109257602 A CN109257602 A CN 109257602A
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- 230000003044 adaptive effect Effects 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000013139 quantization Methods 0.000 claims abstract description 120
- 239000011159 matrix material Substances 0.000 claims abstract description 75
- 238000011002 quantification Methods 0.000 claims abstract description 19
- 238000007906 compression Methods 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000005457 optimization Methods 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000004075 alteration Effects 0.000 description 2
- 238000013144 data compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 101100247663 Arabidopsis thaliana TFIIS gene Proteins 0.000 description 1
- 101100247662 Ustilago maydis RDO1 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- H04N19/10—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
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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
- H04N19/10—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
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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
- H04N19/42—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
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- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
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CN201811260519.8A CN109257602B (zh) | 2018-10-26 | 2018-10-26 | 自适应量化方法 |
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CN201811260519.8A CN109257602B (zh) | 2018-10-26 | 2018-10-26 | 自适应量化方法 |
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CN109257602A true CN109257602A (zh) | 2019-01-22 |
CN109257602B CN109257602B (zh) | 2021-02-05 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104702959A (zh) * | 2015-03-20 | 2015-06-10 | 上海国茂数字技术有限公司 | 一种视频编码的帧内预测方法及系统 |
CN105430416A (zh) * | 2015-12-04 | 2016-03-23 | 四川大学 | 一种基于自适应稀疏域编码的指纹图像压缩方法 |
CN105812804A (zh) * | 2014-12-30 | 2016-07-27 | 浙江大华技术股份有限公司 | 一种确定rdoq过程中最优量化值的方法及装置 |
CN106034235A (zh) * | 2015-03-11 | 2016-10-19 | 杭州海康威视数字技术股份有限公司 | 计算编码失真度和编码模式控制的方法及其系统 |
WO2017129147A1 (zh) * | 2016-01-31 | 2017-08-03 | 中兴通讯股份有限公司 | 图像的编码、解码方法及装置、以及图像的编解码系统 |
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2018
- 2018-10-26 CN CN201811260519.8A patent/CN109257602B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105812804A (zh) * | 2014-12-30 | 2016-07-27 | 浙江大华技术股份有限公司 | 一种确定rdoq过程中最优量化值的方法及装置 |
CN106034235A (zh) * | 2015-03-11 | 2016-10-19 | 杭州海康威视数字技术股份有限公司 | 计算编码失真度和编码模式控制的方法及其系统 |
CN104702959A (zh) * | 2015-03-20 | 2015-06-10 | 上海国茂数字技术有限公司 | 一种视频编码的帧内预测方法及系统 |
CN105430416A (zh) * | 2015-12-04 | 2016-03-23 | 四川大学 | 一种基于自适应稀疏域编码的指纹图像压缩方法 |
WO2017129147A1 (zh) * | 2016-01-31 | 2017-08-03 | 中兴通讯股份有限公司 | 图像的编码、解码方法及装置、以及图像的编解码系统 |
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Inventor after: Zhou Zanhe Inventor after: Ran Wenfang Inventor after: Tian Linhai Inventor after: Li Wen Inventor before: Ran Wenfang Inventor before: Tian Linhai Inventor before: Li Wen |
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Effective date of registration: 20210118 Address after: Room 2003, 1801, 1804, No.13-1, Hai'an Road, Tianhe District, Guangzhou, Guangdong 510627 Applicant after: HEYU HEALTH TECHNOLOGY Co.,Ltd. Address before: 710065 Xi'an new hi tech Zone, Shaanxi, No. 86 Gaoxin Road, No. second, 1 units, 22 stories, 12202 rooms, 51, B block. Applicant before: Xi'an Cresun Innovation Technology Co.,Ltd. |
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