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@TECHREPORT{caputo-rr-07-69,
         author = {Caputo, Barbara and Hayman, Eric and Fritz, Mario and Eklhund, Jan-Olof},
       projects = {Idiap},
          title = {{Classifying Materials in the Real World}},
           type = {Idiap-RR},
         number = {Idiap-RR-69-2007},
           year = {2007},
    institution = {IDIAP},
        address = {Martigny, Switzerland},
       abstract = {Classifying materials from their appearance is challenging. Impressive results have been obtained under varying illumination and pose conditions. Still, the effect of scale variations and the possibility to generalize across different material samples are still largely unexplored. This paper addresses these issues, proposing a pure learning approach based on support vector machines. We study the effect of scale variations first on the artificially scaled CUReT database, showing how performance depends on the amount of scale information available during training. Since the CUReT database contains little scale variation and only one sample per material, we introduce a new database containing ten CUReT materials at different distances, pose and illumination. This database provides scale variations, while allowing to evaluate generalization capabilities: does training on the CUReT database enable recognition of another piece of sandpaper? Our results demonstrate that this is not yet possible, and that material classification is far from being solved in scenarios of practical interest.},
            pdf = {https://publications.idiap.ch/attachments/reports/2007/caputo-rr-07-69.pdf},
     postscript = {ftp://ftp.idiap.ch/pub/reports/2007/caputo-rr-07-69.ps.gz},
language={English},
ipdmembership={vision},
}