What is “video motion detection” and its pros and cons?
A5: Video motion detection is a relatively new technology which attempts to replace external motion sensors and physical switches to achieve ‘alarm’ (or action-only) recording. It is generally found in three versions- those which use tiny sensor “markers” which you place on the screen. These little dots create an internal alarm in the device when the video underneath them changes (figured as motion). The other kind uses a basic light adjustment feature. The main reported problems with the marker type are that- by the time a subject passes the area in which marker has been installed, more than half of the desired video will never have been recorded. The somwhat newer light sensitive type has been reported to create a lot of false alarms in light changing environments- such as slight movements in the sun or clouds when conducting outdoor surveillance! The third is the newest and, by far- the MOST desirable. Found in all Eyespyvideo.com DVR units, the technology is called digital pixelati