H04N 19/147 - Definition
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). |