CN114786010B - 率失真优化量化方法、装置、存储介质及电子设备 - Google Patents
率失真优化量化方法、装置、存储介质及电子设备 Download PDFInfo
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- CN114786010B CN114786010B CN202210225735.9A CN202210225735A CN114786010B CN 114786010 B CN114786010 B CN 114786010B CN 202210225735 A CN202210225735 A CN 202210225735A CN 114786010 B CN114786010 B CN 114786010B
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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
- H04N19/102—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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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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
- H04N19/134—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
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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
- H04N19/18—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 set of transform coefficients
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CN115278244A (zh) * | 2022-08-08 | 2022-11-01 | 北京达佳互联信息技术有限公司 | 视频量化方法、装置、电子设备及存储介质 |
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CN113573056A (zh) * | 2021-05-25 | 2021-10-29 | 杭州博雅鸿图视频技术有限公司 | 一种率失真优化量化的方法、装置、存储介质及终端 |
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US7957600B2 (en) * | 2007-05-08 | 2011-06-07 | Arris Group, Inc. | Methods and systems for rate-distortion optimized quantization of transform blocks in block transform video coding |
EP2362656B1 (en) * | 2010-02-18 | 2017-11-15 | BlackBerry Limited | Method and encoder for constrained soft-decision quantization in data compression |
CN102651816B (zh) * | 2011-02-23 | 2014-09-17 | 华为技术有限公司 | 一种变换系数块的扫描方法和装置 |
US10085024B2 (en) * | 2012-04-13 | 2018-09-25 | Qualcomm Incorporated | Lookup table for rate distortion optimized quantization |
CN111556313B (zh) * | 2020-04-26 | 2021-05-04 | 武汉理工大学 | 基于整数近似的低复杂度dtt与自适应量化的图像压缩方法 |
CN111787324B (zh) * | 2020-06-29 | 2021-05-04 | 北京大学 | 率失真优化量化的方法、编码方法及装置 |
CN115428451B (zh) * | 2020-07-31 | 2024-12-27 | Oppo广东移动通信有限公司 | 视频编码方法、编码器、系统以及计算机存储介质 |
CN113422957B (zh) * | 2021-05-17 | 2022-11-01 | 北京百度网讯科技有限公司 | 视频编码中的量化方法、装置、设备和存储介质 |
CN113259667B (zh) * | 2021-05-17 | 2023-01-31 | 北京百度网讯科技有限公司 | 视频量化方法、装置、电子设备和计算机可读存储介质 |
CN113489978A (zh) * | 2021-05-27 | 2021-10-08 | 杭州博雅鸿图视频技术有限公司 | 一种针对avs3的失真优化量化电路 |
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