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.
Patent No.:
Date of Patent:
Jan. 28, 2025
Filed:
Aug. 01, 2019
V-nova International Limited, London, GB;
V-NOVA INTERNATIONAL LIMITED, London, GB;
Abstract
There is disclosed a method of encoding an input signal, the method comprising producing a base encoded signal by feeding an encoder with a down-sampled version of an input signal. The method further comprising producing a first quantised residual signal by: decoding the base encoded signal to produce a base decoded signal; and using a difference between the base decoded signal and the down-sampled version of the input signal to produce a first residual signal; quantising the first residual signal to produce the first quantised residual signal. The method further comprises producing a second residual signal by: de-quantising the first quantised residual signal to produce a reconstructed version of the first residual signal; correcting the base decoded signal using the first reconstructed version of the residual signal to create a corrected decoded version; upsampling the corrected decoded version; and using a difference between the corrected decoded signal and the input signal to produce the second residual signal.