US10085025B2

5G,4G,3G,2G

Title

IMAGE QUANTIZATION PARAMETER ENCODING METHOD AND IMAGE QUANTIZATION PARAMETER DECODING METHOD

Application Number:

US201715655500

Publication Date:

25-09-2018

Current Assignee:

Family ID:

Application Date:

20-07-2017

Declaring Company:

Publication Country:

US

Priority Date:

12-07-2011

Title

IMAGE QUANTIZATION PARAMETER ENCODING METHOD AND IMAGE QUANTIZATION PARAMETER DECODING METHOD

Application Number:

US201715655500

Family ID:

Publication Country:

US

Publication Date:

25-09-2018

Application Date:

20-07-2017

Priority Date:

12-07-2011

Current Assignee:

Declaring Company:

Abstract  Abstract

Disclosed are image quantization parameter decoding method and systems for decoding a quantization parameter for a video decoding process that is based on context-based adaptive binary arithmetic coding. In one embodiment an image quantization parameter decoding method includes binary-arithmetic-decoding a first bin indicating whether or not a delta quantization parameter is significant other bins which are subsequent to the first bin indicating an absolute value of the delta quantization parameter and a sign bin which is subsequent to the other bins indicating whether the delta quantization parameter is positive or negative. The method further includes generating a delta quantization parameter by de-binarizing the first bin the other bins and the sign bin. The method further includes generating a re-constructed quantization parameter by adding a predicted quantization parameter to the delta quantization parameter. The binary-arithmetic-decoding is performed using contexts for the first bin and the other bins and using no context for the sign bin.

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.