Image compression method based on multi-scale feature coding
A multi-scale feature and image compression technology, which is applied in image coding, graphic image conversion, image data processing, etc., can solve the problems of damage to the fineness of complex features, waste of bit rate, etc., to save bit rate and reduce the degree of loss Effect
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[0054] Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that the implementations shown and described in the drawings are only exemplary, intended to explain the principle and spirit of the present invention, rather than limit the scope of the present invention.
[0055] The embodiment of the present invention provides an image compression method based on multi-scale feature coding, such as figure 1 As shown, the following steps S1-S5 are included:
[0056] S1. Perform feature extraction on the input image to obtain image features.
[0057] In the embodiment of the present invention, feature extraction is performed on the input image through four sequentially connected down-sampling convolutional layers at the image encoding end to obtain image features. The size of the convolution kernel of each downsampling convolutional layer is 5×5, the step size is 2, and the activation functi
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