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[h]-HogClassifier.h
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[h]-HogClassifier.h
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#ifndef UUID5828661360
#define UUID5828661360
/**
* RandomForestClassifier(base_estimator=DecisionTreeClassifier(), bootstrap=True, ccp_alpha=0.0, class_name=RandomForestClassifier, class_weight=None, criterion=gini, estimator_params=('criterion', 'max_depth', 'min_samples_split', 'min_samples_leaf', 'min_weight_fraction_leaf', 'max_features', 'max_leaf_nodes', 'min_impurity_decrease', 'random_state', 'ccp_alpha'), max_depth=40, max_features=auto, max_leaf_nodes=None, max_samples=None, min_impurity_decrease=0.0, min_samples_leaf=1, min_samples_split=2, min_weight_fraction_leaf=0.0, n_estimators=10, n_jobs=None, num_outputs=4, oob_score=False, package_name=everywhereml.sklearn.ensemble, random_state=None, template_folder=everywhereml/sklearn/ensemble, verbose=0, warm_start=False)
*/
class RandomForestClassifier {
public:
/**
* Predict class from features
*/
int predict(float *x) {
int predictedValue = 0;
size_t startedAt = micros();
uint16_t votes[4] = { 0 };
uint8_t classIdx = 0;
float classScore = 0;
tree0(x, &classIdx, &classScore);
votes[classIdx] += classScore;
tree1(x, &classIdx, &classScore);
votes[classIdx] += classScore;
tree2(x, &classIdx, &classScore);
votes[classIdx] += classScore;
tree3(x, &classIdx, &classScore);
votes[classIdx] += classScore;
tree4(x, &classIdx, &classScore);
votes[classIdx] += classScore;
tree5(x, &classIdx, &classScore);
votes[classIdx] += classScore;
tree6(x, &classIdx, &classScore);
votes[classIdx] += classScore;
tree7(x, &classIdx, &classScore);
votes[classIdx] += classScore;
tree8(x, &classIdx, &classScore);
votes[classIdx] += classScore;
tree9(x, &classIdx, &classScore);
votes[classIdx] += classScore;
// return argmax of votes
uint8_t maxClassIdx = 0;
float maxVote = votes[0];
for (uint8_t i = 1; i < 4; i++) {
if (votes[i] > maxVote) {
maxClassIdx = i;
maxVote = votes[i];
}
}
predictedValue = maxClassIdx;
latency = micros() - startedAt;
return (lastPrediction = predictedValue);
}
/**
* Predict class label
*/
String predictLabel(float *x) {
return getLabelOf(predict(x));
}
/**
* Get label of last prediction
*/
String getLabel() {
return getLabelOf(lastPrediction);
}
/**
* Get label of given class
*/
String getLabelOf(int8_t idx) {
switch (idx) {
case -1:
return "ERROR";
case 0:
return "empty";
case 1:
return "pi";
case 2:
return "portenta";
case 3:
return "wio";
default:
return "UNKNOWN";
}
}
/**
* Get latency in micros
*/
uint32_t latencyInMicros() {
return latency;
}
/**
* Get latency in millis
*/
uint16_t latencyInMillis() {
return latency / 1000;
}
protected:
float latency = 0;
int lastPrediction = 0;
/**
* Random forest's tree #0
*/
void tree0(float *x, uint8_t *classIdx, float *classScore) {
if (x[18] <= 0.0369415208697319) {
if (x[78] <= 0.1300949603319168) {
if (x[90] <= 0.02731012087315321) {
if (x[63] <= 0.8730830252170563) {
if (x[113] <= 0.26372766494750977) {
if (x[98] <= 0.022605867125093937) {
if (x[34] <= 0.2811869978904724) {
if (x[55] <= 0.07885900512337685) {
if (x[92] <= 0.3012963682413101) {
*classIdx = 2;
*classScore = 508.0;
return;
}
else {
if (x[134] <= 0.28155651688575745) {
*classIdx = 1;
*classScore = 466.0;
return;
}
else {
*classIdx = 2;
*classScore = 508.0;
return;
}
}
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
else {
if (x[78] <= 0.02770218253135681) {
*classIdx = 1;
*classScore = 466.0;
return;
}
else {
*classIdx = 2;
*classScore = 508.0;
return;
}
}
}
else {
if (x[116] <= 0.00469584483653307) {
*classIdx = 1;
*classScore = 466.0;
return;
}
else {
*classIdx = 2;
*classScore = 508.0;
return;
}
}
}
else {
if (x[106] <= 0.11038459464907646) {
*classIdx = 2;
*classScore = 508.0;
return;
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
}
else {
*classIdx = 3;
*classScore = 523.0;
return;
}
}
else {
if (x[114] <= 0.0355784073472023) {
if (x[99] <= 0.0847080098465085) {
*classIdx = 3;
*classScore = 523.0;
return;
}
else {
*classIdx = 2;
*classScore = 508.0;
return;
}
}
else {
if (x[63] <= 0.5556537806987762) {
if (x[112] <= 0.3595939725637436) {
*classIdx = 1;
*classScore = 466.0;
return;
}
else {
*classIdx = 2;
*classScore = 508.0;
return;
}
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
}
}
else {
if (x[48] <= 0.05262908060103655) {
*classIdx = 0;
*classScore = 481.0;
return;
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
}
else {
if (x[112] <= 0.38147011026740074) {
*classIdx = 3;
*classScore = 523.0;
return;
}
else {
*classIdx = 2;
*classScore = 508.0;
return;
}
}
}
/**
* Random forest's tree #1
*/
void tree1(float *x, uint8_t *classIdx, float *classScore) {
if (x[66] <= 0.03470461815595627) {
if (x[92] <= 0.4885159134864807) {
*classIdx = 3;
*classScore = 506.0;
return;
}
else {
*classIdx = 2;
*classScore = 518.0;
return;
}
}
else {
if (x[54] <= 0.2060672491788864) {
if (x[92] <= 0.600633054971695) {
if (x[79] <= 0.23793259263038635) {
if (x[56] <= 0.20621951669454575) {
if (x[59] <= 0.07552803680300713) {
if (x[79] <= 0.157677061855793) {
*classIdx = 3;
*classScore = 506.0;
return;
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
else {
if (x[113] <= 0.07983606681227684) {
if (x[53] <= 0.543332826346159) {
*classIdx = 1;
*classScore = 466.0;
return;
}
else {
*classIdx = 3;
*classScore = 506.0;
return;
}
}
else {
if (x[63] <= 0.2800687700510025) {
if (x[93] <= 0.05621062591671944) {
if (x[42] <= 0.08418368548154831) {
*classIdx = 2;
*classScore = 518.0;
return;
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
else {
*classIdx = 2;
*classScore = 518.0;
return;
}
}
else {
if (x[123] <= 0.09437189996242523) {
*classIdx = 2;
*classScore = 518.0;
return;
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
}
}
}
else {
if (x[98] <= 0.005484993336722255) {
*classIdx = 1;
*classScore = 466.0;
return;
}
else {
if (x[2] <= 0.08067275956273079) {
*classIdx = 2;
*classScore = 518.0;
return;
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
}
}
else {
if (x[80] <= 0.3647053986787796) {
*classIdx = 2;
*classScore = 518.0;
return;
}
else {
if (x[20] <= 0.5538146793842316) {
if (x[49] <= 0.05982496030628681) {
if (x[56] <= 0.2696080878376961) {
*classIdx = 2;
*classScore = 518.0;
return;
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
else {
if (x[70] <= 0.11429519951343536) {
if (x[114] <= 0.16653749346733093) {
*classIdx = 1;
*classScore = 466.0;
return;
}
else {
if (x[123] <= 0.032165540382266045) {
if (x[103] <= 0.4637199342250824) {
*classIdx = 2;
*classScore = 518.0;
return;
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
}
else {
*classIdx = 2;
*classScore = 518.0;
return;
}
}
}
else {
if (x[2] <= 0.04892366752028465) {
*classIdx = 2;
*classScore = 518.0;
return;
}
else {
if (x[6] <= 0.018453402444720268) {
*classIdx = 1;
*classScore = 466.0;
return;
}
else {
if (x[116] <= 0.09328529983758926) {
*classIdx = 1;
*classScore = 466.0;
return;
}
else {
*classIdx = 2;
*classScore = 518.0;
return;
}
}
}
}
}
}
}
else {
if (x[59] <= 0.09137589856982231) {
*classIdx = 1;
*classScore = 466.0;
return;
}
else {
if (x[61] <= 0.19741814583539963) {
if (x[79] <= 0.38941070437431335) {
*classIdx = 2;
*classScore = 518.0;
return;
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
}
}
else {
if (x[65] <= 0.36613909900188446) {
if (x[67] <= 0.7522072196006775) {
*classIdx = 2;
*classScore = 518.0;
return;
}
else {
*classIdx = 1;
*classScore = 466.0;
return;
}
}
else {
*classIdx = 0;
*classScore = 488.0;
return;
}
}
}
}
/**
* Random forest's tree #2
*/
void tree2(float *x, uint8_t *classIdx, float *classScore) {
if (x[133] <= 0.45472584664821625) {
if (x[57] <= 0.30642061680555344) {
*classIdx = 3;
*classScore = 459.0;
return;
}
else {
*classIdx = 2;
*classScore = 511.0;
return;
}
}
else {
if (x[94] <= 0.013848140370100737) {
if (x[80] <= 0.9212180376052856) {
if (x[116] <= 0.09623592719435692) {
if (x[55] <= 0.05950098857283592) {
*classIdx = 2;
*classScore = 511.0;
return;
}
else {
*classIdx = 1;
*classScore = 560.0;
return;
}
}
else {
*classIdx = 2;
*classScore = 511.0;
return;
}