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 PDF

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CN113261279A
CN113261279A CN201980085524.6A CN201980085524A CN113261279A CN 113261279 A CN113261279 A CN 113261279A CN 201980085524 A CN201980085524 A CN 201980085524A CN 113261279 A CN113261279 A CN 113261279A
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current block
value
pixel
prediction
matrix
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CN113261279B (zh
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霍俊彦
马彦卓
万帅
杨付正
张伟
王海鑫
孙宇
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction

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  • Signal Processing (AREA)
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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。

Claims (31)

  1. PCT国内申请,权利要求书已公开。
CN201980085524.6A 2019-09-24 2019-09-24 预测值的确定方法、编码器、解码器以及存储介质 Active CN113261279B (zh)

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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
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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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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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CN113261279B (zh) 2024-04-26
WO2021056224A1 (zh) 2021-04-01

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