CN113261279A - 预测值的确定方法、编码器、解码器以及存储介质 - Google Patents
预测值的确定方法、编码器、解码器以及存储介质 Download PDFInfo
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Abstract
一种预测值的确定方法、编码器、解码器以及存储介质,该方法包括:获取当前块相邻像素的重建值(S101);对相邻像素的重建值进行滤波处理,得到当前块的参考值集(S102);基于当前块的大小、当前块中像素亮度分量的比特深度和参考值集,计算预测输入值集(S103);根据当前块的大小,确定当前块的基于矩阵的帧内预测MIP模式的MIP矩阵(S104);根据预设的比特移位参数矩阵集,以及当前块的大小与当前块中像素的位置之间的对应关系,确定当前块中像素的比特移位参数(S105);根据预测输入值集、当前块的MIP矩阵和像素的比特移位参数,计算当前块的预测值(S106)。
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PCT国内申请,说明书已公开。
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- PCT国内申请,权利要求书已公开。
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Citations (5)
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US20090016621A1 (en) * | 2007-07-13 | 2009-01-15 | Fujitsu Limited | Moving-picture coding device and moving-picture coding method |
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CN103460700A (zh) * | 2011-04-01 | 2013-12-18 | 苗太平洋控股有限公司 | 以帧内预测模式解码图像的方法 |
US20160021379A1 (en) * | 2012-04-13 | 2016-01-21 | Mitsubishi Electric Corporation | Image encoding device, image decoding device, image encoding method, and image decoding method |
US20190246110A1 (en) * | 2018-02-05 | 2019-08-08 | Tencent America LLC | Method and apparatus for video coding |
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CN105516728B (zh) * | 2015-12-15 | 2019-06-28 | 华中科技大学 | 一种H.265/HEVC中8x8子宏块的并行帧内预测方法 |
CA3227652A1 (en) * | 2016-10-04 | 2018-04-12 | Kt Corporation | Method and apparatus for processing video signal |
WO2018066863A1 (ko) * | 2016-10-04 | 2018-04-12 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
CN109996083B (zh) * | 2017-12-29 | 2021-02-09 | 杭州海康威视数字技术股份有限公司 | 帧内预测方法及装置 |
US10404980B1 (en) * | 2018-07-10 | 2019-09-03 | Tencent America LLC | Intra prediction with wide angle mode in video coding |
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- 2019-09-24 WO PCT/CN2019/107613 patent/WO2021056224A1/zh active Application Filing
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090016621A1 (en) * | 2007-07-13 | 2009-01-15 | Fujitsu Limited | Moving-picture coding device and moving-picture coding method |
CN103460700A (zh) * | 2011-04-01 | 2013-12-18 | 苗太平洋控股有限公司 | 以帧内预测模式解码图像的方法 |
CN103379319A (zh) * | 2012-04-12 | 2013-10-30 | 中兴通讯股份有限公司 | 一种滤波方法、滤波器及包含该滤波器的编码器和解码器 |
US20160021379A1 (en) * | 2012-04-13 | 2016-01-21 | Mitsubishi Electric Corporation | Image encoding device, image decoding device, image encoding method, and image decoding method |
US20190246110A1 (en) * | 2018-02-05 | 2019-08-08 | Tencent America LLC | Method and apparatus for video coding |
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