Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm
estimation algorithms » estimation algorithm, optimization algorithms, approximation algorithms
passive estimation » pose estimation
near optimisation » _ optimisation, network optimization
modified passive » modified adaptive
modified near » modified seird, modified adam

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( modified passive estimation algorithms ) OR ( modified near optimisation algorithm ))~".
• Adding a wildcard symbol may retrieve word variants: (( modified passive estimation algorithms ) OR ( modified near optimisation algorithm ))*.