Perhaps you should try some spelling variations:
segmentation techniques » augmentation techniques, imputation techniques
sphere segmentation » shape segmentation, series segmentation
reduction technique » reduction techniques, truncation technique
tool reduction » model reduction, h2o2 reduction
based sphere » based sers
based tool » based two

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