Using motion-detection algorithms, the BriefCam software separates the background (static or non-moving objects) from the moving objects, tracking and analysing any motion within the frame.

ECONOMIST: Monitor

The camera's subject tracking of moving objects in three dimensions, with full time servo AF (AF-F), ensures focus of moving objects throughout filming.

ENGADGET: Nikon reveals D5200 SLR with D7000-taunting specs: 24MP sensor, 39-point AF, wireless port (hands-on)

With FaceTools, end users can automatically identify individuals, capture fast moving objects, use enhanced user interfaces via real-time tracking of pupils, and take flawless pictures even under sub-optimum light or color balance conditions.

ENGADGET: Galaxy S 4, future Samsung devices to use DigitalOptics tech for face tracking (updated)