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

By Diane J. Cook

Defines the thought of an job version realized from sensor information and offers key algorithms that shape the center of the field

Activity studying: researching, spotting and Predicting Human habit from Sensor Data offers an in-depth examine computational ways to task studying from sensor facts. each one bankruptcy is developed to supply functional, step by step info on tips to examine and method sensor info. The e-book discusses innovations for task studying that come with the following:

  • Discovering task styles that emerge from behavior-based sensor data
  • Recognizing occurrences of predefined or came upon actions in genuine time
  • Predicting the occurrences of activities

The ideas lined will be utilized to various fields, together with safeguard, telecommunications, healthcare, clever grids, and residential automation. an internet better half website allows readers to scan with the recommendations defined within the e-book, and to conform or improve the strategies for his or her personal use.

With an emphasis on computational methods, Activity studying: gaining knowledge of, spotting, and Predicting Human habit from Sensor Data offers graduate scholars and researchers with an algorithmic viewpoint to task learning.

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

Example text

If the difference in the detected radiation between the multiple slots of a PIR sensor is greater than a predefined threshold (as would happen when a warm body moves into or out of the range of the sensor), it generates a message. These sensors are often used in security settings where a light may turn on or an alarm may sound when motion is detected. Humans and pets emit infrared radiation, so PIR sensors can be used to detect their movement within their coverage area. Because a passive infrared sensor (PIR) sensor is sensitive to heat-based movement, it operates in dim lighting conditions.

The meta-classifier, a classifier that combines the output of multiple classifiers, exploits the redundancy intrinsic in the sensor network. An example of this situation is a setting where there are multiple accelerometers gathering movement information while an individual performs an activity. Accelerometers can be selected according to their contribution to classification accuracy as assessed during system training. 5 SENSING ADDITIONAL READING The activity learning literature is filled with case studies that use environmental sensors including motion, temperature, door usage, and lighting sensors.

Track the presence of objects or humans that are wearing a tag and are in close proximity to a reader. More complex tags are designed to be programmable and act as a power source for other sensors that are described in this chapter including light, temperature, and accelerometer sensors. RFID technology can be limited by the range of the reader, which is greater outdoors. For indoor environments, a reader typically needs to be placed in each room where tags will be monitored. Power Meter Power meters provide readings indicating the amount of electricity that was consumed by a particular building for a unit of time.

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