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Normalizer.h
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#pragma once
#include "ISignalOp.h"
namespace SignalProcessing
{
ref class Normalizer {
private:
public:
Normalizer() {
}
static array<array<float> ^> ^ NormalizeBetween(array<array<float> ^> ^p_saved_action_definition, array<int> ^p_sdi, double norm_min, double norm_max)
{
array<array<float> ^> ^p_retval = gcnew array<array<float> ^>(p_saved_action_definition->Length);
double max = -999999.0f;
double min = 999999.0f;
array<double> ^maximums = gcnew array<double>(p_sdi->Length);
array<double> ^minimums = gcnew array<double>(p_sdi->Length);
unsigned int saved_action_length = p_saved_action_definition->Length;
for (int i = 0; i < p_saved_action_definition->Length; i++) {
p_retval[i] = gcnew array<float>(p_sdi->Length);
}
for (int sdi = 0; sdi < p_sdi->Length; sdi++)
{
max = -999999.0f;
min = 999999.0f;
for (int i = 0; i < saved_action_length; i++) {
if (p_saved_action_definition[i][sdi] < min) {
min = p_saved_action_definition[i][sdi];
}
if (p_saved_action_definition[i][sdi] > max) {
max = p_saved_action_definition[i][sdi];
}
}
maximums[sdi] = max;
minimums[sdi] = min;
}
for (int sdi = 0; sdi < p_sdi->Length; sdi++)
{
for (int i = 0; i < saved_action_length; i++) {
p_retval[i][sdi] = norm_min + (p_saved_action_definition[i][sdi] - minimums[sdi]) * ((norm_max - norm_min) / (maximums[sdi] - minimums[sdi]));
}
}
return p_retval;
}
static array<array<float> ^> ^ Normalize(array<array<float> ^> ^p_pattern, array<int> ^p_sdi)
{
array<array<float> ^> ^p_normalized_pattern = gcnew array<array<float> ^>(p_pattern->Length);
array<float> ^max = gcnew array<float>(p_sdi->Length);
array<float> ^min = gcnew array<float>(p_sdi->Length);
for (int i = 0; i < p_sdi->Length; i++) {
max[i] = -9999;
min[i] = 9999;
}
for (int sdi = 0; sdi < p_sdi->Length; sdi++) {
int data_index = p_sdi[sdi];
for (int i = 0; i < p_pattern->Length; i++) {
if (p_pattern[i][data_index] < min[sdi]) {
min[sdi] = p_pattern[i][data_index];
}
if (p_pattern[i][data_index] > max[sdi]) {
max[sdi] = p_pattern[i][data_index];
}
}
}
for (int i = 0; i < p_pattern->Length; i++) {
p_normalized_pattern[i] = gcnew array<float>(p_sdi->Length);
}
for (int sdi = 0; sdi < p_sdi->Length; sdi++) {
int data_index = p_sdi[sdi];
float diff = max[sdi] - min[sdi];
if (diff < 0.0001) {
diff = 0.0001;
}
for (int i = 0; i < p_pattern->Length; i++) {
p_normalized_pattern[i][sdi] = (p_pattern[i][data_index] - min[sdi]) / (diff);
}
}
return p_normalized_pattern;
}
};
}