Portrait Mode has been simultaneously one of the biggest jokes and coolest advancements in smartphone camera technology. Google’s version of it can be found in the portrait mode of the Pixel 2 and Pixel 2 XL smartphones. And they have just released their latest version of it as Open Source, available to any developer who can make use of it.
It’s detailed in Semantic Image Segmentation with DeepLap in Tensorflow on the Google Research blog. And reading how it works is quite interesting, even if you have no idea how to actually do it. Semantic Image Segmentation is basically the process by which pixels in an image are defined by labels, such as “road”, “sky”, “person” or “dog”. It allows apps to figure out what to keep sharp and what to blur.
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