| 摘要 |
A plurality of sensor clusters are provided ( 61 ) wherein at least some of the sensor clusters are comprised of at least one light sensitive sensor and a plurality of light emitters. These sensor clusters are disposed ( 62 ) in close proximity to a subject user and, in a preferred approach, at least some of the sensor clusters are disposed substantially distal to one another. The light emitters are caused ( 63 ) to emit light and the light sensitive sensors are used ( 64 ) to detect interactions as between the subject user and the emitted light. These detected interactions are then used ( 65 ) to determine the user's heart rate. In a preferred embodiment, the sensed interaction information is dynamically modified as a reflection of how valid the information trajectory appears to be at any given time.
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