background velocity replacement

constant background velocity

background interval velocity

Background field and Background value

average velocity， mean velocity

group velocity and phase velocity

ratio of pulp velocity and sire velocity

velocity derived from velocity spectrum

Academic background

accountant in the background of computer age

adapative background subtraction

adaptive background adjusting

adaptive background mixture models

Adaptive Background Model

Adaptive background modeling

Adaptive Background Subtraction

Adaptive Background Suppression

adaptive background update

Adaptive Background Update Rate