Motion Detection in surveillance was design to optimize the recording and storage in surveillance system and security DVR. Video motion detection (VMD) is a way of defining and comparing activity in a scene by analyzing frames captured from the security cameras, and analyzing differences in a series of frame images. This functionality is usually built in to the DVR and not to the security camera, as most people think. Motion detection zones can help define area in the picture which will trigger the recordings, the zone selection or masking can let you to define areas of the screen where you want to detect or ignore visual changes.
Security DVR (digital video recorder) systems
Most security DVR and surveillance system, there are cameras connected to a DVR, which performs the capturing of images and recording them to a hard drive from each security camera video stream. Motion Recording allows the security DVR to decrease the amount of recorded video, and optimize the recordings by recording only when motion activates, this technology use motion in a specific area of the image as a search term when searching for events. When a change between the frames is detected the DVR will capture and record the frames to the hard drive and will stop recording after number of seconds after the motion stops. Motion recording optimize hard drive storage and is benefit the user when searching recorded event. You can easily detect and search a recorded event during night time when you don’t need to watch whole night recording to find if there was any activity at night, so it’s simplifies activity searches in recorded material.