Perhaps you should try some spelling variations:
noise preprocessing » image preprocessing (Expand search), the preprocessing (Expand search), based preprocessing (Expand search)
decrease noise » decrease risk (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search)
the decrease » to decrease (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease of decrease noise preprocessing ) OR ( decrease the decrease and decrease ))~.