FHWS/OTHER2017
Archived
3
0
Fork 0
Code Issues 4 Pull Requests Releases Wiki Activity

current code and TeX. code fine?!?!?!

Browse Source
This commit is contained in:
FrankE
2017-04-29 20:57:12 +02:00
parent fc72a75f57
commit 60712689cf
41 changed files with 804 additions and 234 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
wifi/EvalWiFiPathMethods.h Normal file → Executable file
View File

@@ -242,7 +242,7 @@ public:
// error calculation
auto funcOrig = [&] (const float* params) -> double { return errFuncOrig(params, mes); };
auto funcOther = [&] (const float* params) -> double { return errFuncOther(params, mes); };
auto funcOther = [&] (const float* params) -> double { return errFuncSingleProb(params, mes); }; // ADJUST HERE
// parameters (x,y,z);
float paramsOrig[3] = {0,0,0};
@@ -536,6 +536,52 @@ private:
}
/** TESTING */
double errFuncSingleProb(const float* params, const WiFiMeasurements& mes) {
// crop z to 1 meter
//params[2] = std::round(params[2]);
// suggested position
const Point3 pos_m(params[0], params[1], params[2]);
int cnt = 0;
double error = 0;
//const auto comp = [] (const WiFiMeasurement& m1, const WiFiMeasurement& m2) {return m1.getRSSI() < m2.getRSSI();};
//const auto& min = std::min_element(mes.entries.begin(), mes.entries.end(), comp);
// calculate error for above position using the currently available measurements
for (const WiFiMeasurement& m : mes.entries) {
// skip non-FHWS APs
if (!LeHelper::isFHWS_AP(m.getAP().getMAC())) {continue;}
// get model's rssi for the given location
const float rssi_model = wiModel->getRSSI(m.getAP().getMAC(), pos_m);
// skip APs unknown to the model
if (rssi_model != rssi_model) {
std::cout << "unknown ap: " << m.getAP().getMAC().asString() << std::endl;
continue;
}
// get scan's rssi
const float rssi_scan = m.getRSSI();
++cnt;
error += std::pow(std::abs(rssi_scan - rssi_model),2);
}
if (cnt == 0) {return 1e-50;}
double errorAvg = std::pow((error / cnt), 1.0/2.0);
double prob = Distribution::Normal<double>::getProbability(0, 4, errorAvg);
const double err = -prob;
return err;
}
double getVeto(const Point3& pos_m, const WiFiMeasurements& obs) const {