Development of wireless image sensor nodes based on FPGA for human tracking in intelligent space

This paper introduces development of camera sensor nodes for moving object tracking system with multiple cameras for intelligent space. In the current version of our sensor nodes, image processing circuits such as human extraction based on optical flow, labeling and calculation of human position are implemented in FPGA. The camera sensor nodes share each tracking results via network communication using Zigbee for seamless tracking in wide area. In the paper, tracking method between two sensor nodes are considered and some experiments are shown.