Enlarging illustrations
The following images are comparisons between upsizing the image in Photoshop and Reshade Photo Enlargement software, in this order from left to right. For strong edges notice the large difference in smoothness and reduction in artifacts:


Same quality can be seen even for very light contrast edges:


The blur that appears in the Photoshop enlarged image dissappears completely after reshading:


To see the original full image click here.
