Surprisingly, Apple wasn’t the first to enable editing of its own depth map images. Below the image is an aperture control: slide it to the right to simulate a wider aperture (up to f/1.4) or left to reduce the blurry effect (up to f/16). Open a Portrait Mode photo in the Photos app and tap Edit. It works only with Portrait Mode photos captured using the iPhone XS and iPhone XS Max, but some other iPhone models can use this control to edit those photos. Starting with iOS 12, the Photos app on the iPhone includes a control for adjusting the faux background blur. Since I don’t have a recent Android device that can record depth map information, I’m focusing on the iPhone. In this article, I want to point to some ways to take advantage of depth maps, and wrap up with how to use Facebook’s 3D Photos feature. The most common effect is to simulate shallow depth-of-field to create a blurry background that looks like the image was shot with a wide-aperture lens (which is nearly impossible to do using a smartphone camera’s tiny hardware). With those areas identified, they can be manipulated. Some models sport dual cameras that create a stereo image to determine depth, while others rely solely on software to identify faces and objects and make a depth map based on those areas, just as you might create a mask in Photoshop to edit a specific area. Phone manufacturers generate this effect in a few ways. Facebook calls them 3D Videos, and they’re built on technology offered in a few recent smartphones senses the depth of objects in the scene. They’re not videos, but still photos that appear to have three-dimensional depth. If you’re on Facebook, you’ve probably run across photos lately that move in an odd way.
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