Dimensionality Reduction

Authored by: Pouli Tania , Reinhard Erik , Cunningham Douglas W.

Encyclopedia of Image Processing

Print publication date:  November  2018
Online publication date:  November  2018

Print ISBN: 9781482244908
eBook ISBN: 9781351032742
Adobe ISBN:


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Images of scenes can often contain huge numbers of pixels. Yet much of this information, in terms of scene analysis, can be redundant. Therefore it is desirable to extract meaning form the image from as few pixel samples as possible. This situation is considered in the entry. In particular, principal component analysis is used. This entry introduces the relevant concepts for this type of analysis and provides useful examples.

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