annotate dss/experiments/exp_time_scat_l2.m @ 1:9a37f107f089
Corrected contact mail and included shell script mention.
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Francisco Rodriguez Algarra <f.rodriguezalgarra@qmul.ac.uk> |
| date |
Wed, 21 Oct 2015 11:21:26 +0100 |
| parents |
503d0475274e |
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line source |
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1 % Script to reproduce the experiments leading to the results provided in the
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2 % Table 2 of the paper "Deep Scattering Spectrum" by J. Andén and S. Mallat.
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3
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4 % M=2 scattering
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5
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6 preffix = 'time_scat_l2_';
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7
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8 N=5*2^17;
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9
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10 global src;
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11
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12 fparam.filter_type = {'gabor_1d','morlet_1d'};
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13 fparam.Q = [8 2];
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14 fparam.J = T_to_J(8192*2,fparam);
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15
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16 options.M = 2;
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17
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18 Wop = wavelet_factory_1d(N, fparam, options);
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19
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20 feature_fun = {@(x)(format_scat(log_scat(renorm_scat(scat(x,Wop)))))};
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21
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22 db = prepare_database(src,feature_fun);
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23 db.features = single(db.features)
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24 db = svm_calc_kernel(db,'gaussian','square',1:8:size(db.features,2));
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25
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26 optt.kernel_type = 'gaussian';
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27 optt.C = 2.^[0:4:8];
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28 optt.gamma = 2.^[-16:4:-8];
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29 optt.search_depth = 3;
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30 optt.full_test_kernel = 1;
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31
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32 classify(db, optt, preffix);
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