Download Activity Learning: Discovering, Recognizing, and Predicting by Diane J. Cook PDF

By Diane J. Cook

Defines the idea of an job version realized from sensor information and provides key algorithms that shape the middle of the field

Activity studying: learning, spotting and Predicting Human habit from Sensor Data presents an in-depth examine computational methods to job studying from sensor information. each one bankruptcy is built to supply sensible, step by step details on find out how to research and approach sensor facts. The publication discusses strategies for job studying that come with the following:

  • Discovering job styles that emerge from behavior-based sensor data
  • Recognizing occurrences of predefined or found actions in actual time
  • Predicting the occurrences of activities

The strategies coated should be utilized to varied fields, together with defense, telecommunications, healthcare, shrewdpermanent grids, and residential automation. a web significant other website permits readers to test with the strategies defined within the ebook, and to evolve or increase the concepts for his or her personal use.

With an emphasis on computational methods, Activity studying: studying, spotting, and Predicting Human habit from Sensor Data presents graduate scholars and researchers with an algorithmic viewpoint to job learning.

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Extra resources for Activity Learning: Discovering, Recognizing, and Predicting Human Behavior from Sensor Data

Sample text

Power Meter Power meters provide readings indicating the amount of electricity that was consumed by a particular building for a unit of time. Electricity typically flows from a utility meter to the building’s breaker panel. One method of monitoring usage is thus to clamp a measuring device around the main conductors inside a building’s breaker panel. The meter calculates the amount of electricity currently being consumed and can report instantaneous values, accumulated values, or sufficiently changes in consumption.

Such functions operate directly on the outputs of the individual classifiers to determine the best combination to make the prediction. One popular technique, Dynamic Classifier Selection (DCS), extracts the single best classifier that is most likely to produce the correct classification label for a particular data point (such as a sensor event sequence). DCS partitions samples from sensor training data and selects the best classifier for each partition. Given a data point, we first determine the most likely partition to which it belongs and generate its label using only the output of the best classifier for the corresponding partition.

2 The two components of a magnetic contact switch encased in plastic (left) and a magnetic contact switch acting as a door open/shut sensor (right). 2. 2 is closed, the magnet component pulls the metal switch in the second component closed so the electric circuit is complete, thus changing the state of the sensor. The sensor can report this change of state as a sensor event. When the magnet is moved by opening the door, the spring snaps the switch back into the open positive. This cuts off the current and closes the relay, again causing a change in the state of the sensor that can be reported as a sensor event.

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