H04N 19/147 - Definition fr

Definition statement

This subclass covers:

The adaptation of encoding as a function of data rate or code amount determined according to rate-distortion criteria, e.g. as a function of a cost function.

References relevant to classification in this subclass

This subclass does not cover:

Rate distortion as a criterion for motion estimation

H04N 19/567

Informative references

Attention is drawn to the following places, which may be of interest for search:

Adaptation based on measured or subjectively estimated visual quality after decoding

H04N 19/154

Adaptation using optimisation based on Lagrange multipliers

H04N 19/19

Glossary of terms

In this subclass, the following terms or expressions are used with the meaning indicated:

Cost function

A function of target parameters, as output rate and quality measurement after decoding (e.g. distortion).