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2012 | OriginalPaper | Buchkapitel

5. Image Descriptors

verfasst von : Prof. A. Ardeshir Goshtasby

Erschienen in: Image Registration

Verlag: Springer London

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Abstract

Image descriptors represent homogeneous features in an image or sub-image. The principles behind histogram-based, spin image-based, filtering-based, and moment-based descriptors are reviewed, and strategies to efficiently compute them are given. In addition, means to combine homogeneous descriptors to composite descriptors are described, and methods to determine the similarity or dissimilarity between the descriptors are outlined. Also discussed in this chapter are determination of global scale and rotational differences between two images by the scale-invariant feature transform (SIFT) and log-polar mapping.

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Metadaten
Titel
Image Descriptors
verfasst von
Prof. A. Ardeshir Goshtasby
Copyright-Jahr
2012
Verlag
Springer London
DOI
https://doi.org/10.1007/978-1-4471-2458-0_5

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