CN112470468A - 解码预测方法、装置及计算机存储介质 - Google Patents

解码预测方法、装置及计算机存储介质 Download PDF

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CN112470468A
CN112470468A CN201880095849.8A CN201880095849A CN112470468A CN 112470468 A CN112470468 A CN 112470468A CN 201880095849 A CN201880095849 A CN 201880095849A CN 112470468 A CN112470468 A CN 112470468A
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reference pixel
edge
point
pixel point
midpoint
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霍俊彦
马彦卓
万帅
杨付正
李新伟
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202110270601.4A priority Critical patent/CN113068026B/zh
Priority to CN202310449638.2A priority patent/CN116456081A/zh
Priority to CN202310451318.0A priority patent/CN116456082A/zh
Priority to CN202310452465.XA priority patent/CN116456083A/zh
Priority to CN202110246654.2A priority patent/CN113068025B/zh
Priority to CN202310454159.XA priority patent/CN116614622A/zh
Priority to CN202310455271.5A priority patent/CN116456084A/zh
Publication of CN112470468A publication Critical patent/CN112470468A/zh
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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
    • 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/149Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • 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
    • H04N19/169Methods 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
    • H04N19/182Methods 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 pixel
    • 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
    • H04N19/169Methods 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
    • H04N19/186Methods 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 colour or a chrominance component
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder

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  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
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Abstract

本申请实施例公开了一种解码预测方法、装置及计算机存储介质,该方法包括:获取与待解码块至少一个边相邻的参考像素点,得到第一相邻参考像素集合;从所述至少一个边中确定一基准点,按照预设采样个数确定所述至少一个边对应的待选择参考像素点位置;基于所述待选择参考像素点位置,从所述第一相邻参考像素集合中选取与所述待选择参考像素点位置对应的参考像素点,将选取得到的参考像素点组成相邻参考像素子集;基于所述相邻参考像素子集,对所述待解码块进行预测解码。

Description

PCT国内申请,说明书已公开。

Claims (26)

  1. PCT国内申请,权利要求书已公开。
CN201880095849.8A 2018-12-25 2018-12-25 解码预测方法、装置及计算机存储介质 Pending CN112470468A (zh)

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CN202110270601.4A CN113068026B (zh) 2018-12-25 2018-12-25 编码预测方法、装置及计算机存储介质
CN202310449638.2A CN116456081A (zh) 2018-12-25 2018-12-25 解码预测方法、装置及计算机存储介质
CN202310451318.0A CN116456082A (zh) 2018-12-25 2018-12-25 编码预测方法、装置及计算机存储介质
CN202310452465.XA CN116456083A (zh) 2018-12-25 2018-12-25 解码预测方法、装置及计算机存储介质
CN202110246654.2A CN113068025B (zh) 2018-12-25 2018-12-25 解码预测方法、装置及计算机存储介质
CN202310454159.XA CN116614622A (zh) 2018-12-25 2018-12-25 解码预测方法、装置及计算机存储介质
CN202310455271.5A CN116456084A (zh) 2018-12-25 2018-12-25 解码预测方法、装置及计算机存储介质

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CN202310449638.2A Division CN116456081A (zh) 2018-12-25 2018-12-25 解码预测方法、装置及计算机存储介质
CN202310452465.XA Division CN116456083A (zh) 2018-12-25 2018-12-25 解码预测方法、装置及计算机存储介质
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