October 2013
Beginner to intermediate
350 pages
13h 7m
English
Content preview from Feature Extraction and Image Processing
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288 Feature Extraction and Image Processing
restriction on normalisation to the unit circle, as well as complex moments (Abu-Mostafa,
1985), again aimed to provide a simpler moment description with invariance properties.
Finally, there are affine invariant moments which do not change with position, rotation and
different scales along the co-ordinate axes, as a result, say, of a camera not being normal
to the object plane. Here, the earliest approach appears to be by Flusser and Suk (Flusser,
1993). One of the reviews (Teh, 1988) concentrates on information content (redundancy),
noise sensitivity and on representation ability, comparing the performance of several of the
more popular moments in these respects.
7.4 Further reading
This chapter has essentially ...
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