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On the Spatial Extents of SIFT Descriptors for Visual Concept Detection.
Markus Mühling
Ralph Ewerth
Bernd Freisleben
Published in:
ICVS (2011)
Keyphrases
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sift descriptors
visual concept detection
bag of visual words
visual words
spatial information
discriminative power
keypoints
image matching
image features
image representation
scene classification
image classification
bag of words
affine invariant
feature representation
scale invariant feature transform