Perhaps you should try some spelling variations:
image preprocessing » image processing (Expand search), images processing (Expand search), data preprocessing (Expand search)
decreased image » decreased base (Expand search), decreased rate (Expand search), decreased time (Expand search)
with decreased » with increased (Expand search)
decrease with » decreases with (Expand search), increase with (Expand search), decrease in (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease at (Expand search)
can decrease » can increase (Expand search), and decrease (Expand search), to decrease (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease with decreased image preprocessing ) OR ( decrease rate decrease can decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease with decreased image preprocessing ) OR ( decrease rate decrease can decrease ))*.