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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2017.2672440
|2 doi
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|a eng
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| 100 |
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|a Wei Zhang
|e verfasserin
|4 aut
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| 245 |
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|a Video-Based Pedestrian Re-Identification by Adaptive Spatio-Temporal Appearance Model
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| 264 |
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|c 2017
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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| 500 |
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|a Date Revised 20.11.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Pedestrian re-identification is a difficult problem due to the large variations in a person's appearance caused by different poses and viewpoints, illumination changes, and occlusions. Spatial alignment is commonly used to address these issues by treating the appearance of different body parts independently. However, a body part can also appear differently during different phases of an action. In this paper, we consider the temporal alignment problem, in addition to the spatial one, and propose a new approach that takes the video of a walking person as input and builds a spatiotemporal appearance representation for pedestrian re-identification. Particularly, given a video sequence, we exploit the periodicity exhibited by a walking person to generate a spatiotemporal body-action model, which consists of a series of body-action units corresponding to certain action primitives of certain body parts. Fisher vectors are learned and extracted from individual body-action units and concatenated into the final representation of the walking person. Unlike previous spatiotemporal features that only take into account local dynamic appearance information, our representation aligns the spatiotemporal appearance of a pedestrian globally. Extensive experiments on public data sets show the effectiveness of our approach compared with the state of the art
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Bingpeng Ma
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kan Liu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rui Huang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 26(2017), 4 vom: 01. Apr., Seite 2042-2054
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|g volume:26
|g year:2017
|g number:4
|g day:01
|g month:04
|g pages:2042-2054
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|u http://dx.doi.org/10.1109/TIP.2017.2672440
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