	US 12,238,334 B2
	Transformations for signal enhancement coding
Guido Meardi, London (GB); and Ivan Damnjanovic, London (GB)
Assigned to V-NOVA INTERNATIONAL LIMITED, London (GB)
Filed by V-NOVA INTERNATIONAL LIMITED, London (GB)
Filed on Mar. 17, 2023, as Appl. No. 18/185,978.
Application 18/185,978 is a continuation of application No. 17/265,446, granted, now 11,611,777, previously published as PCT/GB2019/052154, filed on Aug. 1, 2019.
Prior Publication US 2023/0421815 A1, Dec. 28, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 11/18 (2006.01); H04N 19/105 (2014.01); H04N 19/122 (2014.01); H04N 19/124 (2014.01); H04N 19/136 (2014.01); H04N 19/33 (2014.01); H04N 19/36 (2014.01); H04N 19/44 (2014.01); H04N 19/46 (2014.01); H04N 19/60 (2014.01); H04N 19/61 (2014.01); H04N 19/70 (2014.01); H04N 19/91 (2014.01); H04N 19/93 (2014.01)

CPC H04N 19/61 (2014.11) [H04N 19/105 (2014.11); H04N 19/122 (2014.11); H04N 19/124 (2014.11); H04N 19/136 (2014.11); H04N 19/33 (2014.11); H04N 19/36 (2014.11); H04N 19/44 (2014.11); H04N 19/46 (2014.11); H04N 19/60 (2014.11); H04N 19/70 (2014.11); H04N 19/91 (2014.11); H04N 19/93 (2014.11)]

17 Claims

1. A method of decoding a signal, the method comprising:

receiving an encoded frame and first and second sets of encoded residual data;

passing the encoded frame to a decoding module, the decoding module being configured to generate a decoded frame by decoding the encoded frame;

decoding the first and second sets of encoded residual data to generate first and second sets of reconstructed residual data, wherein the decoding comprises transforming the first and second sets of encoded residual data into reconstructed first and second sets of residual data respectively;

combining the first set of reconstructed residual data with the decoded frame to obtain a combined frame;

up-sampling the combined frame to obtain a reference decoded frame; and

combining the second set of reconstructed residual data with the reference decoded frame to obtain a reconstructed frame.