GRID - The Project__________________________________________
G.R.I.D, or gesture recognition interface device, is an interactive, as well as intuitive, way to control various computer functions by taking advantage of detectable and natural human mannerisms. In order to accomplish proper response to the various gestures accounted for in the gesture library, G.R.I.D. makes use of several sensors to gather diversified data about the current state and actions of the user. The sensors that make this possible are: a camera (Tuned for the near-Infrared spectrum), an accelerometer (For swipe motion), and a gyroscope (For general orientation information) with room for upgradability by the addition of a digital magnetometer (providing additional user sensor data).In order to lessen the toll on the host computer, as to be accessible for computers of all budget ranges, G.R.I.D does all image/video processing on personally designed camera PCB layout at a smooth 100 frames per second for optimal responsiveness. Further bearing the user in mind, all communication is done via Bluetooth and the universal serial bus (USB), the standard in external communication, to avoid additional adapters.
Being a wireless device, the need for an on-board battery arises. After careful consideration with regard to safety, cost, capacity, and lifespan G.R.I.D employs a 3.7 Volt rechargeable lithium-ion battery (Cell phone battery). Each perforated circuit board has a micro-USB sourced recharge circuit. The main hand’s battery life lasts a minimum of 14 hours of continuous use, while that of the camera module is a little shorter at 8 hours due to the constant data pull. At the same time, recharging the battery takes at most 2 hours, with the option of play and charge (longer charge period, but continuous use). As a preventive measure, the IR LEDs easily accessible and swappable should one, or both, fail.
Finally, in order to stream line the set up process, G.R.I.D comes pre-loaded with a default configuration (tested for good performance by multiple users) which allows the user to plug the device in and instantly start to use it.
__________________________________________Files
Senior Design I Final document - LinkCDR - This is the Critical Design Review - Link
Conference Paper - Link
Design Review Committee powerpoint - Link
Senior Design II Final document - Link