Contributions à l'étude de la classification spectrale et applications
Contributions à l'étude de la classification spectrale et applications
Contributions à l'étude de la classification spectrale et applications
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28 C<strong>la</strong>ssification <strong>spectrale</strong> : algorithme <strong>et</strong> étu<strong>de</strong> du paramètre<br />
Table 1.1 – Exemples géométriques<br />
(a) 6 blocs p-dimensionnel<br />
p 2 3 4<br />
σ1 0.0349 0.0482 0.0558<br />
σ2 0.0344 0.0377 0.0391<br />
Ratio <strong>de</strong> normes <strong>de</strong> Frobenius < 0.15 [0.02 ;0.56] [0.02 ;0.58] [0.02 ;0.22]<br />
Perreur [0.06 ;1.24] [0.06 ;2.2] [0.04 ;0.78]<br />
(b) 3 portions sphères <strong>de</strong> dimension p<br />
p 2 3 4<br />
σ1 0.0072 0.0268 0.0426<br />
σ2 0.0069 0.0261 0.0414<br />
Ratio <strong>de</strong> normes <strong>de</strong> Frobenius < 0.15 [0.04 ;0.18] [0.02 ;0.3] [0.02 ;0.04]<br />
Perreur [0.02 ;0.14] [0.04 ;0.16] [0.04 ;0.1]<br />
Table 1.2 – Exemples géométriques avec l’affinité (1.5)<br />
(a) 6 blocs p-dimensionnel pour p = 2, p = 3 <strong>et</strong> p = 4<br />
p = 2, d 1 3 4 5<br />
Ratio <strong>de</strong> normes <strong>de</strong> Frobenius < 0.15 [0.02 ;0.3] [0.02 ;0.6] [0.02 ;0.62] [0.02 ;0.6]<br />
Perreur [0.12 ;1.6] [0.08 ;1.06] [0.1 ;1.18] [0.12 ;1.1]<br />
p = 3, d 1 3 4 5<br />
Ratio <strong>de</strong> normes <strong>de</strong> Frobenius < 0.15 [0.02 ;0.3] [0.02 ;0.64] [0.02 ;0.66] [0.02 ;0.66]<br />
Perreur [0.02 ;3] [0.04 ;1.4] [0.04 ;1.2] [0.04 ;1.2]<br />
p = 4, d 1 3 4 5<br />
Ratio <strong>de</strong> normes <strong>de</strong> Frobenius < 0.15 [0.02 ;0.3] [0.02 ;0.26] [0.02 ;0.28] [0.02 ;0.28]<br />
Perreur [0.02 ;1.2] [0.02 ;0.62] [0.12 ;0.52] [0.14 ;0.48]<br />
(d) 3 portions d’hyperpshères pour p = 2, p = 3 <strong>et</strong> p = 4<br />
p = 2, d 1 3 4 5<br />
Ratio <strong>de</strong> normes <strong>de</strong> Frobenius< 0.15 [0.04 ;0.14] [0.6 ;0.2] [0.06 ;0.2] [0.06 ;0.18]<br />
Perreur [0.04 ;0.08] [0.06 ;0.18] [0.6 ;0.18] [0.06 ;0.18]<br />
p = 3, d 1 3 4 5<br />
Ratio <strong>de</strong> normes <strong>de</strong> Frobenius < 0.15 [0.02 ;0.12] [0.04 ;0.5] [0.06 ;0.5] [0.08 ;0.5]<br />
Perreur [0.02 ;0.12] [0.04 ;0.16] [0.08 ;0.18] [0.08 ;0.18]<br />
p = 4, d 1 3 4 5<br />
Ratio <strong>de</strong> normes <strong>de</strong> Frobenius < 0.15 [0.04 ;0.04] [0.04 ;0.08] [0.06 ;0.1] [0.1 ;0.16]<br />
Perreur [0.02 ;0.02] [0.06 ;0.16] [0.08 ;0.17] [0.1 ;0.2]