Average sko mode

common_utils/common_utils.cpp

@@ -15,6 +15,7 @@
 #include <chrono>
 #include <ctime>
 #include <iomanip>
+#include <thread>
 //#STOP_GRAB_TO_INCLUDES_LIST
 
 namespace dvs {
@@ -87,11 +88,11 @@ void openPlotlyHtml(const string& file_name) {
  openFileBySystem(file_name);
 }
 
-void sleepMs(unsigned long milisec) {
+void sleepMicroSec(unsigned long microsec) {
 #ifdef _WIN32
- Sleep(milisec);
+ std::this_thread::sleep_for(std::chrono::microseconds(microsec));
 #elif __linux__
- usleep(milisec * 1000);
+ usleep(microsec);
 #endif
 }
 
@@ -346,7 +347,7 @@ string vectorToString(const vector<double>& vec) {
 }
 
 string makeUniqueDavisHtmlName() {
-
+ sleepMicroSec(1);
  string davis_dir;
  davis_dir = "./davis_htmls/";
  auto now = std::chrono::system_clock::now();
@@ -378,6 +379,89 @@ void transponeMatrix(std::vector<std::vector<double> >& matrix) {
  matrix = std::move(transposed);
 }
 
+vector<double> calculateAverageVector(const vector<vector<double>>& vectors) {
+
+ if (vectors.empty()) {
+ throw std::invalid_argument("Input vector of vectors is empty.");
+ }
+
+ size_t vectorSize = vectors[0].size();
+ for (const auto& vec : vectors) {
+ if (vec.size() != vectorSize) {
+ throw std::invalid_argument("All vectors must have the same size.");
+ }
+ }
+
+ std::vector<double> averageVector(vectorSize, 0.0);
+ for (const auto& vec : vectors) {
+ for (size_t i = 0; i < vectorSize; ++i) {
+ averageVector[i] += vec[i];
+ }
+ }
+
+ for (double& value : averageVector) {
+ value /= vectors.size();
+ }
+
+ return averageVector;
+
+}
+
+
+vector<double> calculateStandardDeviation(const vector<double>& mean,
+ const vector<vector<double>>& data) {
+
+ std::vector<double> stddev(mean.size(), 0.0);
+ int n = data.size();
+ for (const auto& vec : data) {
+ for (size_t i = 0; i < vec.size(); ++i) {
+ double diff = vec[i] - mean[i];
+ stddev[i] += diff * diff;
+ }
+ }
+ for (size_t i = 0; i < stddev.size(); ++i) {
+ stddev[i] = std::sqrt(stddev[i] / n);
+ }
+ return stddev;
+}
+
+std::string reverseString(const std::string& input) {
+
+ std::stringstream ss(input);
+ std::string item;
+ std::vector<std::string> elements;
+
+ while (std::getline(ss, item, ',')) {
+ elements.push_back(item);
+ }
+
+ std::reverse(elements.begin(), elements.end());
+
+ std::string result;
+ for (size_t i = 0; i < elements.size(); ++i) {
+ result += elements[i];
+ if (i < elements.size() - 1) {
+ result += ',';
+ }
+ }
+
+ return result;
+}
+
+
+vector<double> doubleAndReverse(const vector<double>& input,
+ const vector<double>& mean) {
+
+ vector<double> result(input.size(), 0);
+ vector<double> minus_result = input;
+ for (size_t i = 0; i < result.size(); ++i) {
+ result[i] += mean[i] + input[i];
+ minus_result[i] = mean[i] - input[i];
+ }
+ vector<double> reversed(minus_result.rbegin(), minus_result.rend());
+ result.insert(result.end(), reversed.begin(), reversed.end());
+ return result;
+}
 
 //#STOP_GRAB_TO_DVS_NAMESPACE
 }; // namespace dvs

common_utils/common_utils.h

@@ -10,6 +10,8 @@
 #include <fstream>
 #include <algorithm>
 #include <stdint.h>
+#include <numeric>
+#include <stdexcept>
 //#STOP_GRAB_TO_INCLUDES_LIST
 
 namespace dvs {
@@ -37,7 +39,7 @@ bool saveStringToFile(const string& file_name,
 
 void mayBeCreateJsWorkingFolder();
 
-void sleepMs(unsigned long milisec);
+void sleepMicroSec(unsigned long microsec);
 
 void openPlotlyHtml(const string& file_name);
 
@@ -161,6 +163,16 @@ bool is_string_convertable_to_digit(const string& sample);
 
 void transponeMatrix(std::vector<std::vector<double>>& matrix);
 
+vector<double> calculateAverageVector(const vector<vector<double>>& vectors);
+
+vector<double> calculateStandardDeviation(const vector<double>& mean,
+ const vector<vector<double>>& data);
+
+vector<double> doubleAndReverse(const vector<double>& input, const vector<double>& mean);
+
+
+std::string reverseString(const std::string& input);
+
 
 //#STOP_GRAB_TO_DVS_NAMESPACE
 }; // namespace dvs