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6573 results about "Video based" patented technology

Accuracy evaluation of video-based augmented reality enhanced surgical navigation systems

Systems and methods for measuring overlay error in a video-based augmented reality enhanced surgical navigation system are presented. In exemplary embodiments of the present invention the system and method include providing a test object, creating a virtual object which is a computer model of the test object, registering the test object, capturing images of control points on the test object at various positions within an augmented reality system's measurement space, and extracting positions of control points on the test object from the captured images, calculating the positions of the control points in virtual image, and calculating the positional difference of positions of corresponding control points between the respective video and virtual images of the test object. The method and system can further assess if the overlay accuracy meets an acceptable standard. In exemplary embodiments of the present invention a method and system are provided to identify the various sources of error in such systems and assess their effects on system accuracy. In exemplary embodiments of the present invention, after the accuracy of an AR system is determined, the AR system may be used as a tool to evaluate the accuracy of other processes in a given application, such as registration error.
Owner:BRACCO IMAGINIG SPA

System, Method, and Computer Program Product for Video Based Services and Commerce

A system, method, apparatus and computer program product for providing location based functions and mobile e-commerce comprising a central processing unit including a processor, a storage device, and programming stored in the storage device, a display device, an audio input device, an audio output device, a communications module, a commerce module, an image module, and a location module. The programming controls the operation of the present invention to provide functions based on location data, to facilitate commercial exchanges by wirelessly exchanging payment and product information with venders, to identify services such as venders meeting selection criteria, to wirelessly exchange select information with other users and systems, to restrict and / or monitor the use of the device based on authorized user parameters, selecting one of a plurality networks through which to communicate, detecting a trigger for performing an action based on a change in location and sensed data, storing a voice annotation with a computer data file, determining service providers and associated communication parameters, contemporaneously maintaining a wireless voice and data link, providing a system for selecting and delivering mobile advertisements, and many other functions and services that are described herein.
Owner:GULA CONSULTING LLC
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