Here is another example.

click on the image to see the original jpg file. 

click on the image to see the original jpg file. 

Click on the image above to open a window with just the original jpg file. 

Click this sentence to get the 2x upsampled image

Click this sentence to get the 3x upsampled image

Click this sentence to get the 4x upsampled image

Here is the 2x upsampled image, tiled on the server and interactively served:

Here is the 3x upsampled image

and here is the 4x upsampled image

For this image, we also have the thumbnail, shown below

Click on the image to open the original in a new window. 

Click on the image to open the original in a new window. 

as well as the 2x (click here), 3x (click here) and 4x (click here) upsampled versions. An interactive version of the 3x upsampled thumbnail is below.