The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 09, 2025

Filed:

Dec. 02, 2021
Applicant:

China Telecom Corporation Limited, Beijing, CN;

Inventors:

Huifen Wang, Beijing, CN;

Yuan Zhang, Beijing, CN;

Mingchuan Yang, Beijing, CN;

Leping Shen, Beijing, CN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/14 (2014.01); H04N 19/124 (2014.01); H04N 19/42 (2014.01); H04N 19/91 (2014.01);
U.S. Cl.
CPC ...
H04N 19/14 (2014.11); H04N 19/124 (2014.11); H04N 19/42 (2014.11); H04N 19/91 (2014.11);
Abstract

The method of the present disclosure includes: for a feature matrix of each channel of an image output from an intermediate layer of a neural network: determining row(s) and column(s) having same feature values at edges of the feature matrix as row(s) to be compressed and column(s) to be compressed, deleting the feature values of the row(s) to be compressed and the column(s) to be compressed, and reserving remaining feature values as reserved values; compressing the feature values of the row(s) to be compressed and the column(s) to be compressed to obtain edge value(s); and encoding the reserved values and the edge value(s), as well as a number of the row(s) to be compressed and a number of the column(s) to be compressed, and sending a result of the encoding to a decoder for restoring the feature matrix of the each channel by the decoder.


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