METHOD AND APPARATUS FOR RESTORATION OF COMPENSATION OFFSET FOR SET OF RESTORED IMAGES SAMPLES Russian patent published in 2016 - IPC H04N19/00 

FIELD: information technology.

SUBSTANCE: invention relates to a method of providing compensation offsets for set of reconstructed image samples. Method comprises steps of: selecting, based on a rate distortion criterion, a classification from among a plurality of predetermined classifications, each said predetermined classification having a classification range smaller than a full range of sample values and being made up of a plurality of classes, each defining a range of sample values within said classification range, into which class a sample is put if its sample value is within range of class concerned; and associating with each class of selected classification a compensation offset for application to sample value of each sample of class concerned.

EFFECT: technical effect is reducing spatial and temporal redundancies in a video stream.

29 cl, 28 dwg