FIELD: information technology.
SUBSTANCE: group of inventions relates to video encoding and can be used for encoding transform coefficients. Method comprises steps of: determining a binary string indicating a position of a last significant coefficient within a block of transform coefficients associated with a video block; wherein binary string includes a prefix portion and a suffix portion; determining a context for a binary index of prefix portion of binary string based on a transform block size, wherein context is assigned to at least two binary indices in accordance with context index, wherein each of at least two binary indices are associated with different transform block sizes; and encoding binary string using context adaptive binary arithmetic coding based at least in part on determined context.
EFFECT: optimising encoding transform coefficients.
29 cl, 9 dwg, 13 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| PROGRESSIVE CODING OF POSITION OF LAST SIGNIFICANT COEFFICIENT | 2012 |
|
RU2595892C2 |
| OBTAINING THE CONTEXT TO ENCODE THE LAST POSITION WHEN PERFORMING THE ENCODING | 2013 |
|
RU2629437C2 |
| MEMORY EFFICIENT CONTEXT MODELLING | 2012 |
|
RU2580066C2 |
| GROUPING TRACES OF BYPASSING PALETTES FOR VIDEO CODING | 2016 |
|
RU2706877C2 |
| CODING OF TRANSFORM COEFFICIENTS FOR VIDEO CODING | 2012 |
|
RU2562381C1 |
| CODING FLAGS OF CODED BLOCKS | 2013 |
|
RU2627119C2 |
| CIRCUIT BINES FOR CODING SUPPORT INDEXES IN VIDEO CODING | 2013 |
|
RU2643655C2 |
| TREE STRUCTURE OF MULTIPLE TYPE OF VIDEO CODING | 2017 |
|
RU2727095C2 |
| INCREASING THROUGHPUT CAPACITY FOR CABAC COEFFICIENTS LEVEL ENCODING | 2012 |
|
RU2611992C2 |
| REDUCTION OF NUMBER OF CONTEXTS FOR CONTEXT ADAPTIVE BINARY ARITHMETIC CODING | 2012 |
|
RU2575398C2 |
