RU2636125C1

5G,4G,3G,2G

Title

METHOD OF ENCODING VIDEO QUANTIZATION PARAMETER AND METHOD OF DECODING VIDEO QUANTIZATION PARAMETER

Application Number:

RU20170123530

Publication Date:

20-11-2017

Current Assignee:

Family ID:

Application Date:

04-07-2017

Declaring Company:

Publication Country:

US

Priority Date:

28-06-2011

Title

METHOD OF ENCODING VIDEO QUANTIZATION PARAMETER AND METHOD OF DECODING VIDEO QUANTIZATION PARAMETER

Application Number:

RU20170123530

Family ID:

Publication Country:

US

Publication Date:

20-11-2017

Application Date:

04-07-2017

Priority Date:

28-06-2011

Current Assignee:

Declaring Company:

Abstract  Abstract

FIELD: physics.SUBSTANCE: method is based on context-adaptive binary arithmetic coding, the method of decoding a video quantization parameter is that: the predicted quantization parameter is generated from the past recovered quantization parameter; and a binary arithmetic decoding of the first cell is performed, indicating, whether the delta quantization parameter is significant, the sign cells indicating, whether the delta quantization parameter is positive or negative, and other cells indicating the absolute value of the delta quantization parameter, wherein the binary arithmetic decoding is performed without using a context for the sign cell using the first context for the first cell and using a context other than the first context for the other cells, wherein the said other cells are subjected to binary arithmetic decoding using the same context for some predetermined cell and the cell that follows the said predetermined cell.EFFECT: method improvement.3 cl, 16 dwg

Note:

The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)

The information in grey was provided by the patent holder

The information in purple was extracted from the FrandAvenue

Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.

Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.

Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.

Family member:related patents or applications that share a common priority or original filing.