| 摘要 |
Monitoring systems, devices, and methods for monitoring one or more objects within an environment are disclosed. An illustrative monitoring device in accordance with the present invention can include an image detector, an on-board image processor, and communication means for transmitting an imageless signal to a remote location. The image processor can be configured to run one or more routines that can be used to determine a number of parameters relating to each object detected. In some embodiments, the monitoring device can be configured to run an image differencing routine that can be used to initially detect the presence of motion. Once motion is detected, the monitoring device can be configured to initiate a higher rate mode wherein image frames are processed at a higher frame rate to permit the image processor to compute higher-level information about the moving object.
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