CN106851279A

5G,4G,3G,2G

Title

Image quantization parameter decoding method

Application Number:

CN201710124465

Publication Date:

13-06-2017

Current Assignee:

Family ID:

Application Date:

14-06-2012

Declaring Company:

Publication Country:

US

Priority Date:

12-07-2011

Title

Image quantization parameter decoding method

Application Number:

CN201710124465

Family ID:

Publication Country:

US

Publication Date:

13-06-2017

Application Date:

14-06-2012

Priority Date:

12-07-2011

Current Assignee:

Declaring Company:

Abstract  Abstract

An image quantization parameter decoder comprises: a prediction unit that generates a prediction quantization parameter from a previous reconstruction quantization parameter; and a quantization parameter decoding unit which determines whether or not the other binary bits indicating the absolute value of the difference quantization parameter and the indication difference quantization parameter are positive or not by the first binary bit indicating whether or not the difference quantization parameter is significant Binary arithmetic decoding is performed for negative symbol binary bits; other binary bits after the first binary bit, the symbol binary bits are after the other binary bits, where the binary arithmetic decoding uses the context for the first binary bits and other binary bits and is not used for the symbol binary bits context, and wherein when the binary arithmetic decoding is performed, the context variable is updated according to the corresponding binary bit, the context variable including the probability of the most likely token and the most likely token.

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.