April 2020
Intermediate to advanced
380 pages
9h 24m
English
Content preview from Mobile Deep Learning with TensorFlow Lite, ML Kit and Flutter
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Understanding anomaly detection for authentication
Anomaly detection is a much-studied branch of machine learning. The term is simplistic in its meaning. Basically, it is a collection of methods for detecting anomalies. Imagine a bag of apples. To identify and pick out the bad apples would be an act of anomaly detection.
Anomaly detection is performed in several ways:
- By identifying data samples in the dataset that are very different from the rest of the samples by using minimum-maximum ranges of columns
- By plotting the data as a line graph and identifying sudden spikes in the graph
- By plotting the data around a Gaussian curve and marking the points lying on the extreme ends as outliers (anomalies)
Some of the commonly used methods are ...
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