Perhaps you should try some spelling variations:
segmentation techniques » augmentation techniques, imputation techniques
floatation technique » inhalation technique, implantation technique, imputation techniques
co segmentation » 3d segmentation
based roll » based roms, based tool
based co » based code, based no2, based two

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• Performing a fuzzy search may retrieve terms with similar spellings: (( learning-based roll floatation technique ) OR ( learning-based co segmentation techniques ))~.
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