2 There are three (3) main types of AR applications: - Marker-based AR: using a smartphone camera, you are scanning visual markers, such as QR codes, and the animation is triggered. The digital, augmented scenes (e.g., video, text, animations) are displayed on the screen of your smartphone. - Markerless AR: instead of requiring a marker, this type of application allows the user to decide where to place the virtual content. Specifically, the camera scans and recognizes the environment, gathering the information that is necessary for the AR software to make the digital content perfectly fit into the real world. - Projection-based AR: by projecting light to physical surfaces and objects, 3D content is created and the user can actually interact with it. For this reason, you don’t need a smartphone to display the content and everyone in the same environment can interact with it (e.g., see holograms). - Location-based: is a GPS-based experience where digital content is connected to a specific location/place. You could send notification to visitors with your app. - Superimposition: this type of AR application recognizes an object and provides an alternative view by “inserting” missing pieces or replacing the whole sight with an augmented one.
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