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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2014.2302677
|2 doi
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|a eng
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| 100 |
1 |
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|a Everts, Ivo
|e verfasserin
|4 aut
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| 245 |
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|a Evaluation of color spatio-temporal interest points for human action recognition
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|c 2014
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 03.12.2014
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|a Date Revised 28.02.2014
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|a published: Print
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|a Citation Status MEDLINE
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|a This paper considers the recognition of realistic human actions in videos based on spatio-temporal interest points (STIPs). Existing STIP-based action recognition approaches operate on intensity representations of the image data. Because of this, these approaches are sensitive to disturbing photometric phenomena, such as shadows and highlights. In addition, valuable information is neglected by discarding chromaticity from the photometric representation. These issues are addressed by color STIPs. Color STIPs are multichannel reformulations of STIP detectors and descriptors, for which we consider a number of chromatic and invariant representations derived from the opponent color space. Color STIPs are shown to outperform their intensity-based counterparts on the challenging UCF sports, UCF11 and UCF50 action recognition benchmarks by more than 5% on average, where most of the gain is due to the multichannel descriptors. In addition, the results show that color STIPs are currently the single best low-level feature choice for STIP-based approaches to human action recognition
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|a Journal Article
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1 |
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|a van Gemert, Jan C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gevers, Theo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 23(2014), 4 vom: 01. Apr., Seite 1569-80
|w (DE-627)NLM09821456X
|x 1941-0042
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|g volume:23
|g year:2014
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|g day:01
|g month:04
|g pages:1569-80
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|u http://dx.doi.org/10.1109/TIP.2014.2302677
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