Abstract
Here, as in Chapters 3 and 5, we shall primarily be concerned with methods for making decisions. We shall assume that the primary pattern has already been coded to yield a vector containing numeric descriptors. Such a pattern description is natural in a wide variety of applications, as the following examples show:
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1.
An autoanalyzer* may be used to define a multielement vector which describes the hormone, protein, salt, and sugar concentrations in human blood.
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2.
A time-varying signal, such as an EEG or ECG, may be applied to a set of parallel band-pass filters whose outputs are rectified and then integrated. The outputs from the integrators represent the elements of the measurement vector.
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3.
The color of vegetation, as seen from a satellite, may be used to identify certain crops. A “color” vector might contain three measurements on components from the visible spectrum, as well as ultraviolet or infrared measurements.
A multichannel instrument for performing chemical titrations on a routine basis.
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Batchelor, B.G. (1978). Classification and Data Analysis in Vector Spaces. In: Batchelor, B.G. (eds) Pattern Recognition. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-4154-3_4
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