Patent ID: 8346056
Filing Date: 2013-01-01
Classification: G08B,G11B,H04N

Abstract:
1. A method of operating a security system comprising: providing video of a secured area; presenting the provided video on a display for a security person monitoring the provided video; detecting the security person making contact with a surface of the display of the monitored video thereby superimposing markings onto one or more frames of the monitored video through the display of the monitored video; saving one or more video frames and markings including a set of coordinates of a location of the contact on the display within a set of respective files of a memory device where the video frames occupy a first file of the set of respective files and the markings occupy a second file of the set of files, where the first and second files are different and where the markings are related to the corresponding one or more video frames via a cross reference; providing a selectable time line with an indicator selecting a time instant of video from the first file; and reading the second file, correlating the read markings of the second file with the underlying video frames from the first file at the selected time instant and displaying the markings superimposed on the correlated video frames at the respective coordinates.