预测值的确定方法、解码器以及计算机存储介质

文档序号:90958 发布日期:2021-10-08 浏览:37次 >En<

阅读说明:本技术 预测值的确定方法、解码器以及计算机存储介质 (Method for determining predicted value, decoder and computer storage medium ) 是由 周益民 程学理 于 2019-03-14 设计创作,主要内容包括:本申请实施例提供了一种预测值的确定方法、解码器以及计算机存储介质,该方法应用于一解码器中,该方法包括:获取待解码图像块的参考图像块的像素矩阵,根据参考图像块的像素矩阵,确定输入值,将输入值输入至预设的神经网络中得到待解码图像块的预测值;也就是说,在本申请实施例中,首先,获取待解码图像块的参考图像块的像素矩阵,然后,利用预设的神经网络对参考图像块的像素矩阵进行处理,如此,利用神经网络得到待编码图像块的预测值,使得预测值更加接近待编码图像块的像素矩阵,从而减小预测残差的比特流,进而可以提高视频图像编解码的效率。(The embodiment of the application provides a method for determining a predicted value, a decoder and a computer storage medium, wherein the method is applied to the decoder and comprises the following steps: acquiring a pixel matrix of a reference image block of an image block to be decoded, determining an input value according to the pixel matrix of the reference image block, and inputting the input value into a preset neural network to obtain a predicted value of the image block to be decoded; that is to say, in the embodiment of the present application, first, a pixel matrix of a reference image block of an image block to be decoded is obtained, and then, the pixel matrix of the reference image block is processed by using a preset neural network, so that a predicted value of the image block to be encoded is obtained by using the neural network, so that the predicted value is closer to the pixel matrix of the image block to be encoded, thereby reducing a bit stream of a prediction residual, and further improving the efficiency of video image encoding and decoding.)

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