1 | %IMOX Handwritten character dataset, 192 objects, 8 features, 4 classes |
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2 | % |
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3 | % A = IMOX |
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4 | % |
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5 | % Load the dataset in A. The features are the distances from a bounding box |
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6 | % to the pixels of a set of handwritten characters 'I', 'M', 'O', and 'X', |
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7 | % measured form the corners along the diagnoals and from the edge midpoints |
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8 | % along the horizontal and vertical central axes. |
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9 | % |
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10 | % REFERENCES |
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11 | % 1. R. Dubes and A.K. Jain, Clustering techniques: The user's dilemma, |
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12 | % Pattern Recognition, Volume 8, Issue 4, October 1976, Pages 247-260. |
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13 | % 2. A.K. Jain, R.C. Dubes, C.C. Chen, Bootstrap Techniques for Error Estimation |
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14 | % IEEE Trans. Pattern Anal. and Mach. Intel., 9(5), pp. 628-633, 1987. |
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15 | % 3. W.F. Schmidt, D.F. Levelt, and R.P.W. Duin, An experimental comparison |
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16 | % of neural classifiers with traditional classifiers, in: E.S. Gelsema, |
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17 | % L.N. Kanal (eds.), Pattern Recognition in Practice IV, Elsevier, |
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18 | % 1994, 391-402. |
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19 | % |
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20 | % See also DATASETS, PRDATASETS, X80 |
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21 | |
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22 | % Copyright: R.P.W. Duin, r.p.w.duin@37steps.com |
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23 | % Faculty EWI, Delft University of Technology |
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24 | % P.O. Box 5031, 2600 GA Delft, The Netherlands |
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25 | |
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26 | function a = imox |
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27 | |
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28 | a = pr_getdata; |
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29 | a = setname(a,'IMOX Characters'); |
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30 | a = setlablist(a,char('I','M','O','X')); |
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31 | a = setfeatlab(a,char(... |
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32 | 'diagonal from top-left', ... |
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33 | 'vertical from top-center', ... |
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34 | 'diagonal from top-right', ... |
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35 | 'horizontal from right-center', ... |
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36 | 'diagonal from bottom-right', ... |
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37 | 'vertical from bottom-center', ... |
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38 | 'diagonal from bottom-left', ... |
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39 | 'horizontal from left-center')); |
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