Required hardware for recording¶
Two personal computers, a camera unit and forehead/chin-rest are necessary to use SimpleGazeTracker.
- Personal computer for recording
- This PC must have an appropriate interface to connect the camera unit (e.g. USB2.0) and a wired network interface.
- Personal computer for presentation
- This PC must have a wired network interface. Use of a decent graphics card is recommended for precise stimulus presentation.
- Camera unit
- See below for supported cameras. If the camera unit does not have integrated lighting, an infrared lighting unit is alos necessary.
- Current version of SimpleGazeTracker does not support head motion correction. It is necessary to restrict participant’s head motion with a head/chin-rest.
If your PC is powerful enough, you can install both GazeParser and SimpleGazeTracker on a single PC. See Single-PC recording for detail.
Currently, there are three editions of SimpleGazeTracker.
- OpenCV edition (Windows/Linux)
- This edition uses OpenCV to control camera unit. Supported cameras depend on OpenCV.
- OptiTrack edition (Windows)
- This edition supports OptiTrack V100R2 and V120Slim (NaturalPoint, Inc.). These cameras have USB2.0 interface and can capture images at 100 - 120 frames per second. See Cameras used for development.
- CameraLink edition (Windows)
- This edition currently supports CameraLink image grabbers manufactured by Interface Corporation. Capturing frame rate depends on the specification of the connected camera.
- Flycapture2 edition (Windows/Linux)
- This edition supports Point Grey Flea3 (USB3.0) cameras. See Cameras used for development.
- DirectShow edition (Windows)
- This edition supports DirectShow cameras.