Perhaps you should try some spelling variations:
segmentation techniques » augmentation techniques
imputation techniques » implantation technique, augmentation techniques, floatation technique
tool segmentation » 3d segmentation, tool orientation
k imputation » _ computation, _ reputation
based tool » based two
based k » based _, based n, based 3d

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 tool segmentation techniques ) OR ( learning-based k imputation techniques ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( learning-based tool segmentation techniques ) OR ( learning-based k imputation techniques ))".
• Adding a wildcard symbol may retrieve word variants: (( learning-based tool segmentation techniques ) OR ( learning-based k imputation techniques ))*.