Perhaps you should try some spelling variations:
segmentation techniques » imputation techniques
augmentation techniques » imputation techniques
tool augmentation » data augmentation, tool orientation
n segmentation » 3d segmentation
based tool » based two
based n » based _, based k, based no2

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( learning-based n segmentation techniques ) or ( learning-based tool augmentation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based n segmentation techniques ) OR ( learning-based tool augmentation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based n segmentation techniques ) or ( learning-based tool augmentation techniques ))*.