Perhaps you should try some spelling variations:
the preprocessing » the processing (Expand search), their processing (Expand search), image preprocessing (Expand search)
via decreasing » in decreasing (Expand search), with decreasing (Expand search), by decreasing (Expand search)
decreasing the » increasing the (Expand search), decreases the (Expand search), decrease the (Expand search)
decrease will » decrease with (Expand search), decrease cell (Expand search), decrease il (Expand search)
decrease via » decrease in (Expand search), decrease hiv (Expand search), decrease il (Expand search)

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

• Removing quotes may allow a broader search: (( decrease via decreasing the preprocessing ) OR ( decrease will decrease NOT decrease ))~.