Perhaps you should try some spelling variations:
parameters optimization » parameter optimization, parameter estimation
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithm
learning algorithm » learning algorithms, tracking algorithm
speckle learning » sample learning, speckle tracking

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( based speckle learning algorithm ) OR ( modified parameters optimization algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (( based speckle learning algorithm ) or ( modified parameters optimization algorithm ))*.