int main()
{
int i;
for (i = 0; i < N; i++)
a[i] = rand() % 1000;
preprocess3();
printf("%d\n", sum3(0, 20));
printf("%d\n", sum3(10, 100));
printf("%d\n", sum3(5, 500));
printf("%d\n", sum3(0, 0));
printf("%d\n", sum3(N - 1, N));
printf("%d\n", sum3(0, N));
printf("%d\n", sum3(1, 0));
return 0;
}
int HolisticFeatureExtractor::extractFeatures(const LTKTraceGroup& traceGroup, const LTKCaptureDevice& captureDevice, const LTKScreenContext& screenContext, LTKPreprocessorInterface *ltkShapeRecPtr, float2DVector& featureVector)
{
LOG( LTKLogger::LTK_LOGLEVEL_DEBUG) <<
"Entered HolisticFeatureExtractor::extractFeatures" << endl;
LTKTrace preprocessedTrace; // a trace of the trace group
LTKTrace preprocessedTrace2; // a trace of the trace group
LTKTrace preprocessedTrace3; // a trace of the trace group
LTKTraceGroup preprocessedTraceGroup;
LTKTraceGroup preprocessedTraceGroup2;
LTKTraceGroup preprocessedTraceGroup3;
int traceIndex; // variable to loop over all traces of the trace group
// preprocessing the traceGroup in 3 ways to extract 3 kinds of features
preprocess(traceGroup, preprocessedTraceGroup, captureDevice, screenContext, ltkShapeRecPtr);
preprocess2(traceGroup, preprocessedTraceGroup2, captureDevice, screenContext, ltkShapeRecPtr);
preprocess3(traceGroup, preprocessedTraceGroup3, captureDevice, screenContext, ltkShapeRecPtr);
// extracting the feature vector
for(traceIndex = 0; traceIndex < traceGroup.getNumTraces(); ++traceIndex)
{
preprocessedTrace = preprocessedTraceGroup.getTraceAt(traceIndex);
preprocessedTrace2 = preprocessedTraceGroup2.getTraceAt(traceIndex);
preprocessedTrace3 = preprocessedTraceGroup3.getTraceAt(traceIndex);
// calling the compute features methods
floatVector features;
// calculating features with preprocessedTrace2
features.push_back(computeEER(preprocessedTrace));
features.push_back(computeOrientation(preprocessedTrace));
// calculating features with preprocessedTrace2
float TCL = computeTCL(preprocessedTrace2);
TCL /= calculateBBoxPerimeter(screenContext); // normalizing using the perimeter
features.push_back(TCL);
features.push_back(computePII(preprocessedTrace2, screenContext));
// calculating features with preprocessedTrace3
float swAng = computeSweptAngle(preprocessedTrace3);
// normalizing the swept angle with swAngNormFactor x 360 degrees
swAng /= (2*PI*m_swAngNormFactor);
features.push_back(swAng);
featureVector.push_back(features);
}//traceIndex
LOG( LTKLogger::LTK_LOGLEVEL_DEBUG) <<
"Exiting HolisticFeatureExtractor::extractFeatures" << endl;
return SUCCESS;
}
