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  • Astrophysics & Cosmology  (1)
  • Surface physics, nanoscale physics, low-dimensional systems  (1)
  • content-based image retrieval  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Spatial Color Indexing and Applications (1999)
    Springer
    International journal of computer vision 35 (1999), S. 245-268 
    Details
    ISSN: 1573-1405
    Keywords: image indexing ; image features ; content-based image retrieval ; model-based object recognition ; spatial correlation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract We define a new image feature called the color correlogram and use it for image indexing and comparison. This feature distills the spatial correlation of colors and when computed efficiently, turns out to be both effective and inexpensive for content-based image retrieval. The correlogram is robust in tolerating large changes in appearance and shape caused by changes in viewing position, camera zoom, etc. Experimental evidence shows that this new feature outperforms not only the traditional color histogram method but also the recently proposed histogram refinement methods for image indexing/retrieval. We also provide a technique to cut down the storage requirement of the correlogram so that it is the same as that of histograms, with only negligible performance penalty compared to the original correlogram. We also suggest the use of color correlogram as a generic indexing tool to tackle various problems arising from image retrieval and video browsing. We adapt the correlogram to handle the problems of image subregion querying, object localization, object tracking, and cut detection. Experimental results again suggest that the color correlogram is more effective than the histogram for these applications, with insignificant additional storage or processing cost.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008108327226
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    Paper (German National Licenses)
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  • 2
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    Spatial confinement, magnetic localization, and their interactions on massless Dirac fermions (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-12-04
    Description: Author(s): Zhong-Qiu Fu, Yu Zhang, Jia-Bin Qiao, Dong-Lin Ma, Haiwen Liu, Zi-Han Guo, Yi-Cong Wei, Jing-Yi Hu, Qian Xiao, Xin-Rui Mao, and Lin He Understanding different approaches to confining massless Dirac fermions in graphene is of keen interest to researchers; it is also a central problem in making electronic devices based on graphene. Here, we studied spatial confinement, magnetic localization, and their interactions on massless Dirac f... [Phys. Rev. B 98, 241401(R)] Published Mon Dec 03, 2018
    Keywords: Surface physics, nanoscale physics, low-dimensional systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 3
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    Indistinguishability of warm dark matter, modified gravity, and coupled cold dark matter (2013)
    American Physical Society (APS)
    Details
    Publication Date: 2013-08-09
    Description: Author(s): Hao Wei, Jing Liu, Zu-Cheng Chen, and Xiao-Peng Yan The current accelerated expansion of our Universe could be due to an unknown energy component with negative pressure (dark energy) or a modification to general relativity (modified gravity). On the other hand, recently, warm dark matter remarkably rose as an alternative of cold dark matter. Obviousl... [Phys. Rev. D 88, 043510] Published Thu Aug 08, 2013
    Keywords: Astrophysics & Cosmology
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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