Emancipated pixels: real-world graphics in the luminous room
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
iLamps: geometrically aware and self-configuring projectors
ACM SIGGRAPH 2003 Papers
Bloom Accessory: Accessories Using LEDs with Remote Control
ISWC '04 Proceedings of the Eighth International Symposium on Wearable Computers
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
Cooperation of LED control chips in ubiquitous environment
CSS '07 Proceedings of the Fifth IASTED International Conference on Circuits, Signals and Systems
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We recently have seen illumination using Light Emitting Diodes (LEDs) on the street. The current illumination is difficult to control of flexibly and dynamically. In response to this problem, we propose a method controlling numerous LEDs collectively, dynamically, and flexibly by using a projector and small devices with optical sensors. We designed and implemented a small device to achieve our mechanism, which has an LED, an optical sensor, and a microcomputer to react to the light illuminated from a projector. Moreover, it has functions to self adjust the threshold and recognize optical commands, which are required for collective control. We discuss how effective our proposed device was in a study to evaluate it and in field tests done at actual events.