Variable bit rate generative compression method based on adversarial learning
A technology of variable bit rate and compression method, which is applied in the intersection field of communication and digital image processing, and can solve problems such as performance loss
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[0091] The present invention provides a generative compression system with a variable bit rate. The technical idea is: the correlation between channels can measure the entropy rate of the feature map transformed by the encoder, and the mask is calculated according to the channel correlation. And based on this, the variance is quantized, and variable bit rate compression can be realized. And explicitly adding the L1 norm of the channel correlation as an estimate of the entropy rate during the training process can promote the sparse distribution of the channel correlation, so that it can be modeled with high precision by the exponential distribution, thereby obtaining the mask and the final entropy For the specified compression ratio, manual threshold adjustment is not required, but the threshold value is directly calculated and determined to obtain the corresponding output. Refer to attached figure 1 , the specific steps are:
[0092] Step (1), constructing training and testi...
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