protected static Kernel2D_F64 gaussian2D_F64(double sigma, int radius, boolean normalize) {
Kernel1D_F64 kernel1D = gaussian1D_F64(sigma, radius, false);
Kernel2D_F64 ret = KernelMath.convolve(kernel1D, kernel1D);
if (normalize) {
KernelMath.normalizeSumToOne(ret);
}
return ret;
}
protected static Kernel1D_F64 gaussian1D_F64(double sigma, int radius, boolean normalize) {
Kernel1D_F64 ret = new Kernel1D_F64(radius * 2 + 1);
double[] gaussian = ret.data;
int index = 0;
for (int i = radius; i >= -radius; i--) {
gaussian[index++] = UtilGaussian.computePDF(0, sigma, i);
}
if (normalize) {
KernelMath.normalizeSumToOne(ret);
}
return ret;
}
