Augmented Reality is the integration of digital information with the user's environment in real-time.
AR technology enhances the user's perception of reality by overlaying digital content, such as images, videos, and sound, onto the real world. Unlike Virtual Reality, which replaces the user's environment entirely, AR enhances the existing environment with digital information.
Augmented Reality can be classified into three main categories:
Marker-based AR
This type of AR uses a visual marker, such as a QR code or an image, to trigger the display of digital content. The camera of the device used to view the AR detects the marker and overlays digital content onto the marker's position in the real world. This is the most common type of AR used in mobile applications.
Markerless AR
This type of AR does not require a visual marker to trigger the display of digital content. Instead, it uses the device's GPS, accelerometer, and camera to detect the user's location and orientation and overlay digital content accordingly. This type of AR is commonly used in navigation and gaming applications.
Projection-based AR
This type of AR projects digital content onto real-world surfaces, such as walls, floors, and tables. It uses specialized hardware, such as projectors and sensors, to detect the user's movements and adjust the projection of the digital content accordingly.