CN109257602B - 自适应量化方法 - Google Patents
自适应量化方法 Download PDFInfo
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- CN109257602B CN109257602B CN201811260519.8A CN201811260519A CN109257602B CN 109257602 B CN109257602 B CN 109257602B CN 201811260519 A CN201811260519 A CN 201811260519A CN 109257602 B CN109257602 B CN 109257602B
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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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CN201811260519.8A CN109257602B (zh) | 2018-10-26 | 2018-10-26 | 自适应量化方法 |
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CN109257602B true CN109257602B (zh) | 2021-02-05 |
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CN105812804B (zh) * | 2014-12-30 | 2018-09-28 | 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 |
CN106034235B (zh) * | 2015-03-11 | 2020-01-03 | 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 |
CN104702959B (zh) * | 2015-03-20 | 2019-03-26 | 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 |
CN105430416B (zh) * | 2015-12-04 | 2019-03-01 | 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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