科研之友
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摘要
A system for addressing the scale of activity and detecting periods of immobility of a vulnerable individual is described. The system does not invade the privacy of the individual, is robust to ambient changes and is economic in terms of cost and the amount of data captured. The system is based upon the cross-correlation of changes in the chromatic signatures of a limited number of locations in an environment with the outputs from a triggerable infrared sensor. Results are presented to indicate the system performance.
- 出版日期2008-4
- 单位广东工业大学
