Impala Documentation

void Impala::Core::Feature::Color64::NormalizeVector	(	float *	pf,
		int	nLen
	)			`[inline]`

Definition at line 451 of file Color64.h.

Referenced by ExtractCorrelogram50(), ExtractCorrelogramTextureMoment(), and ExtractTextureMoment().

00452     {
00453         if (pf != NULL && nLen > 0)
00454         {
00455             float f = 0;
00456                     for (int i = 0; i < nLen; i ++)
00457             {
00458                 f += pf[i] * pf[i];
00459             }
00460             f = sqrt(f);
00461             if (f < 1e-4f)
00462             {
00463                 f = 1e-4f;
00464             }
00465             for (int i = 0; i < nLen; i ++)
00466             {
00467                 pf[i] /= (float)f;
00468             }
00469         }
00470     }