Image coding, decoding and compression method based on depth Gaussian process regression
A Gaussian process regression and image coding technology, applied in the field of image compression, can solve problems such as large residual error, increase in compressed image bit rate, and decrease in corresponding probability value, so as to improve rate-distortion performance, save code stream overhead, and improve accuracy The effect of mean estimation
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[0065] The present invention will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.
[0066] The present invention provides an embodiment, an image coding method based on deep Gaussian process regression, comprising:
[0067] S100 adopts the coding convolutional neural network to obtain the multi-channel feature of the bottleneck layer of the image to be coded, as the first feature map;
[0068] S200 quantizes each feature in the first feature map into an integer to obtain a second feature map;
[0069] S300 is based on the autoregressive model and super-a priori model of d...
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