Perhaps you should try some spelling variations:
augmentation techniques » imputation techniques
segmentation techniques » imputation techniques
sphere segmentation » shape segmentation, series segmentation
a augmentation » data augmentation, image augmentation
based sphere » based sers
based a » based _, based k, based n

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 a augmentation techniques ) or ( learning-based sphere segmentation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based a augmentation techniques ) OR ( learning-based sphere segmentation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based a augmentation techniques ) or ( learning-based sphere segmentation techniques ))*.