Method and apparatus for system synchronization in video oculography based neuro-otologic testing and evaluation

摘要

A video oculography based neuro-otologic testing and evaluation apparatus and associated method comprises the steps of: Obtaining images of the subject's eyes with a digital camera; Selectively displaying visual stimulus to the subject on a display; Generating each visual stimulus to be displayed from a controller; Receiving and storing data signals from each digital camera in the controller; Calculating eye related data from the digital camera images and visual stimulus; Displaying the eye related data to users; Generating a video synchronization signal by the controller associated with each visual stimulus which identifies when the display is displaying the associated visual stimulus; Receiving and coupling the video synchronization signal with at least the eye data from the digital camera; and Synchronizing calculations based upon the eye data and the visual stimulus by the controller.

主权项

1. A video oculography based neuro-otologic testing and evaluation system comprising:
A base adapted to be positioned adjacent to a subject's head; At least one digital camera attached to the base, operating at least at 60 frames per second and configured to take images of at least one of the subject's eyes; A display for selectively displaying visual stimulus to the subject; A controller coupled to the display generating each visual stimulus to be displayed and coupled to each digital camera and receiving and storing data signals there from, the controller configured to calculate eye related data from the digital camera images, and configured to display the eye related data to users; A video synchronization signal generated by the controller associated with each visual stimulus which identifies when the display is displaying the associated visual stimulus to the subject; Receiving and coupling the video synchronization signal with at least the eye data from the digital camera, wherein the received video synchronization signal and the eye data from the digital camera are utilized by the controller to synchronize calculations based upon the eye data and the visual stimulus.