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Basics of Augmented Reality
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AR Device
A hardware like smartphones, tablets, or specialized AR glasses used to experience augmented reality.
Markerless AR
AR that does not rely on predefined markers, using features of the environment for placement and tracking of AR objects.
360-Degree Video
A video recording that captures a scene in every direction at the same time, often used in AR for immersive experiences.
Field of View (FoV) in AR
The extent of the observable environment at any given moment seen through AR devices.
Depth Sensor
A sensor that detects and measures the distance from the sensor to objects in the environment, crucial for accurately placing AR objects in 3D space.
Gesture Recognition
The ability of a system to recognize and interpret human gestures as commands.
Real-time rendering
The process of computing and displaying images in quick succession to create the appearance of motion, essential for live AR experiences.
Head-Up Display (HUD)
A transparent display that presents data without requiring users to look away from their usual viewpoints.
Augmented Reality (AR)
An interactive experience where real-world environments are enhanced with computer-generated perceptual information, sometimes across multiple sensory modalities.
Spatial Audio
Audio technology that mimics the natural world by allowing sounds to come from any direction in a 3D space.
Marker-based AR
A type of AR that uses a camera to identify visual markers or codes to overlay digital information on the physical world.
Simultaneous Localization and Mapping (SLAM)
A computational method that helps AR systems understand and map the surrounding physical environment to accurately overlay digital content.
Light Field Display
An advanced display technology that produces realistic, holographic, or 3D imagery by simulating the way light behaves in the real world.
Extended Reality (XR)
An umbrella term encompassing augmented reality (AR), virtual reality (VR), mixed reality (MR), and everything in between.
Haptic Feedback
Touch feedback technology that recreates the sense of touch by applying forces, vibrations, or motions to the user.
Visual Inertial Odometry (VIO)
A process used by AR systems to track the position of a device relative to the world around it by combining camera sensor data with motion sensors.
Photogrammetry
The science of obtaining reliable measurements from photographs, used in AR to accurately map and recreate real-world spaces.
Occlusion in AR
A graphical effect where objects closer to the viewpoint block objects further away, providing a sense of depth in AR.
Augmented Geocaching
A hi-tech treasure hunting game where individuals use AR to find caches or hidden items in the real world.
Chroma Keying
A technique used to replace a background color (typically green) with virtual backgrounds or scenes, commonly used in broadcasting and AR.
Mixed Reality (MR)
A blend of physical and digital worlds, unlocking natural and intuitive 3D human, computer, and environment interactions.
ARCore
A platform developed by Google for building AR experiences that integrates the virtual world with the real world using different APIs.
Augmented Reality Markup Language (ARML)
A data standard which allows the sharing and experiencing of augmented reality (AR) experiences in XML format.
ARKit
A framework by Apple that allows developers to create augmented reality experiences for iOS devices.
Smart Glasses
Wearable computer glasses that add information alongside or to what the wearer sees.
Ray Casting
A technique used to calculate the intersection of a ray with objects in a virtual environment, important for rendering AR visuals and detecting collisions.
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