Patent ID: 11917162
Assignee: TENCENT AMERICA LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. An apparatus for video encoding, comprising:
processing circuitry configured to:
generate an initial feature representation by an encoder network from an input image to be encoded;
perform an iterative update of values of the initial feature representation of the input image and of at least one parameter in a neural network (NN), the iterative update including
generating a first representation by adding noise to the initial feature representation of the input image,
updating the at least one parameter in the NN based on the first feature representation,
generating a coded representation by the NN based on the first feature representation of the input image,
generating a reconstructed image corresponding to the first feature representation of the input image based on the coded representation, and
updating at least one value in a row or a column of the initial feature representation based on the generated reconstructed image to generate (i) a next initial feature representation of a subsequent iteration of the iterative update or (ii) a final feature representation of the input image,

generate an encoded image corresponding to the final feature representation of the input image, wherein
one of (i) a rate-distortion loss corresponding to the final feature representation of the input image or (ii) a number of iterations of the iterative update satisfies a pre-determined condition, and
the rate-distortion loss is determined based on a bit consumption of the coded representation corresponding to the final feature representation of the input image and a difference between the input image and the reconstructed image corresponding to the final feature representation.