DECODING DEVICE AND DECODING METHOD, AND ENCODING DEVICE AND ENCODING METHOD Russian patent published in 2020 - IPC H04N19/51 H04N19/30 

FIELD: computer equipment.

SUBSTANCE: disclosed is a decoding device, which includes: a prediction image generation unit for generating a prediction image, by performing reference image motion with so-called mosaic image elements, in case the current image frame is divided into mosaic image elements and decoded; and a decoding unit for decoding the encoded data using the prediction image generated by the prediction image generating unit.

EFFECT: technical result is possibility of coding and decoding in time direction independently for each element of mosaic image.

15 cl, 41 dwg