Perhaps you should try some spelling variations:
image preprocessing » image processing (Expand search), images processing (Expand search), data preprocessing (Expand search)
increase image » increasing image (Expand search), increased damage (Expand search), increase impact (Expand search)
decrease with » decreases with (Expand search), increase with (Expand search), decrease in (Expand search)
with increase » with increased (Expand search), with decrease (Expand search), with increasing (Expand search)
or decrease » of decrease (Expand search), not decrease (Expand search), to decrease (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at decrease » rate decrease (Expand search), that decrease (Expand search), and decrease (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease pro (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease with increase image preprocessing ) OR ( decrease at decrease OR decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease with increase image preprocessing ) OR ( decrease at decrease or decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease with increase image preprocessing ) OR ( decrease at decrease or decrease ))*.