Lines Matching refs:Tau
122 #define Tau 5.2f
157 tau;
175 tau,
1005 Tau,0.2f,DeltaTau,
1007 (void) OptimalTau(histogram[Green],Tau,0.2f,DeltaTau,
1009 (void) OptimalTau(histogram[Blue],Tau,0.2f,DeltaTau,
1346 node->stability=node->tau-(node->child)->tau;
1382 root->tau=0.0;
1416 node->tau=zero_crossing[i+1].tau;
1429 node->tau=zero_crossing[i+1].tau;
1438 Determine the stability: difference between a nodes tau and its child.
1458 % OptimalTau() finds the optimal tau for each band of the histogram.
1519 tau,
1555 zero_crossing[i].tau=(-1.0);
1567 for (tau=max_tau; tau >= min_tau; tau-=delta_tau)
1569 zero_crossing[i].tau=tau;
1570 ScaleSpace(histogram,tau,zero_crossing[i].histogram);
1580 zero_crossing[i].tau=0.0;
1629 Find this tau in zero crossings list.
1634 if (zero_crossing[j].tau == node->tau)
1671 Determine the average tau.
1675 average_tau+=list[i]->tau;
1702 % ScaleSpace(const ssize_t *histogram,const double tau,
1712 static void ScaleSpace(const ssize_t *histogram,const double tau,
1729 alpha=PerceptibleReciprocal(tau*sqrt(2.0*MagickPI));
1730 beta=(-1.0*PerceptibleReciprocal(2.0*tau*tau));
1840 (void) OptimalTau(histogram[Red],Tau,0.2,DeltaTau,
1842 (void) OptimalTau(histogram[Green],Tau,0.2,DeltaTau,
1844 (void) OptimalTau(histogram[Blue],Tau,0.2,DeltaTau,