September 2004
Intermediate to advanced
496 pages
13h 57m
English
Content preview from Biometric Authentication: A Machine Learning ApproachBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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10.2. Sensor Fusion for Biometrics
Sensor fusion is an information processing technique (see [66, 125]) through which information produced by several sources can be optimally combined. The human brain is a good example of a complex, multisensor fusion system; it receives five different signals—sight, hearing, taste, smell, and touch—from five different sensors: eyes, ears, tongue, nose, and skin. Typically, it fuses signals from these sensors for decision making and motor control. The human brain also fuses signals at different levels for different purposes. For example, humans recognize objects by both seeing and touching them; humans also communicate by watching the speaker's face and listening to his or her voice at the same time. All of these ...
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