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

By Diane J. Cook

ISBN-10: 111889376X

ISBN-13: 9781118893760

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

Activity studying: learning, spotting and Predicting Human habit from Sensor Data offers an in-depth examine computational ways to job studying from sensor info. every one bankruptcy is built to supply sensible, step by step info on the right way to research and strategy sensor facts. The booklet discusses innovations for task studying that come with the following:

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

The strategies lined will be utilized to various fields, together with protection, telecommunications, healthcare, shrewdpermanent grids, and residential automation. a web spouse website allows readers to test with the recommendations defined within the booklet, and to conform or increase the suggestions for his or her personal use.

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

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

Example text

16) i=1 • Peak-to-Peak Amplitude. This value represents the change between the peak (highest value) and trough (lowest value) of the signal. For sensor values, we can compute the difference between the maximum and minimum values of the set. 17) • Time Between Peaks. This value represents the time delay between successive occurrences of a maximum value. When processing sensor values that are not strictly sinusoidal signals, special attention must be paid to determine what constitutes a peak. A peak may be a value within a fixed range of the maximum value, or it may be a spike or sudden increase in values.

This type of fusion is also referred to as decision fusion or mixture of experts, and has been investigated with a number of proposed approaches. There are two common approaches for fusing output from the classifiers. The goal of the first approach is to find a single best classifier or a group of best classifiers whose outputs are then considered for making the final prediction. The second group of methods perform simple fusion functions. Such functions operate directly on the outputs of the individual classifiers to determine the best combination to make the prediction.

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. On the other hand, it may not sense movement if an object is between the sensor and the moving person. A PIR sensor will sense movement from any object that generates heat, even if the origin is inorganic.

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Activity Learning: Discovering, Recognizing, and Predicting Human Behavior from Sensor Data by Diane J. Cook

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