Match the sharpness and contrast

In the following images, an abstract shape is rendered in a painterly style and a different shape is rendered realistically.
Click the arrows to increase or decrease the sharpness and contrast of the realistic image until it matches the painterly image. The painterly image may display brush strokes of various sizes, from very fine to very coarse.

Painterly rendering of a shape Realistic rendering of a different shape
 
  Sharpness  
  Contrast