Loved the tutorial, however, can’t help but think, if you were to basically manually select the…
Julien Chaumond

While that may work in a couple limited cases, what the iPhone does is far, far more complex than just applying a blur. Have a look at the picture below.

Now whereas the rim of the glass and straw have issues (those could be fixed), you’ll notice a distinct difference in the blur that’s applied at different levels in the photograph. The foreground, as well as the subject is crisp. Then you’ll notice the sunglasses are a slight bit less in focus, starting with the bottom of the frames and moving to the top. Then the edge of the table and background are completely out of focus.

A single, universal blur couldn’t come close to the sophistication this kind of computational photography brings to the table.

One clap, two clap, three clap, forty?

By clapping more or less, you can signal to us which stories really stand out.