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Digital image correlation and tracking is an optical method that employs tracking and image registration techniques for accurate 2D and 3D measurements of changes in images. This method is often used to measure full-field displacement and strains , and it is widely applied in many areas of science and engineering.
Video tracking is the process of locating a moving object (or multiple objects) over time using a camera. It has a variety of uses, some of which are: human-computer interaction, security and surveillance, video communication and compression , augmented reality , traffic control, medical imaging [ 1 ] and video editing .
ARToolKit is also available as a plugin for the Unity game engine for example to align a virtual camera within Unity with a real-world camera relative to a tracked marker target and taking care of communicating with the camera. The plugin supports Unity on OS X, Unity on Windows, Unity on Android, and Unity on iOS. [13]
zSpace Inspire and Inspire Pro were launched in January 2022 [32] which allows users to experience AR/VR without a head-mounted display (HMD) or glasses. The system includes integrated face-tracking technology, a haptic-feedback stylus, and a stylus sensor module, which tracks the position of the stylus to create the AR/VR experience.
A camera that has built-in GPS; A camera with interface for an external GPS (the interface could be a physical connector or a bluetooth adapter to a remote GPS logger, or WiFi and an app to allow the camera to sync GPS from a smartphone);
P'(camera i, XY i) ∩ P'(camera j, XY j) ≠ {} Because the value of XY i has been determined for all frames that the feature is tracked through by the tracking program, we can solve the reverse projection function between any two frames as long as P'(camera i, XY i) ∩ P'(camera j, XY j) is a small set.
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Ultrasound, which is shorter wavelengths greater than or equal to 20 kHz, enables the rapid transmission of data necessary for cross-device tracking to occur. [3] Another integral component of cross-device tracking is the usage of audio beacons. Audio beacons are beacons that are embedded into ultrasound, so they cannot be heard by humans. [3]