Perhaps you should try some spelling variations:
functions segmentation » motion segmentation, detection segmentation, functions computation
region segmentation » motion segmentation, brain segmentation, skin segmentation
method discourse » methods discourse, method discursive, method course
discourse based » course based
based anti » based active, based agents

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((functions segmentation) or (region segmentation)) method discourse based anti~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((functions segmentation) OR (region segmentation)) method discourse based anti.
• Adding a wildcard symbol may retrieve word variants: ((functions segmentation) or (region segmentation)) method discourse based anti*.