// Compute features of an image.
bool computeFeatures(CFloatImage &image, FeatureSet &features, int featureType, int descriptorType)
{
// TODO: Instead of calling dummyComputeFeatures, implement
// Harris feature detector. This step fills in "features"
// with information needed for descriptor computation.
switch (featureType) {
case 1:
dummyComputeFeatures(image, features);
break;
case 2:
ComputeHarrisFeatures(image, features);
break;
default:
return false;
}
// TODO: You will implement two descriptors for this project
// (see webpage). This step fills in "features" with
// descriptors. The third "custom" descriptor is extra credit.
switch (descriptorType) {
case 1:
ComputeSimpleDescriptors(image, features);
break;
case 2:
ComputeMOPSDescriptors(image, features);
break;
case 3:
ComputeCustomDescriptors(image, features);
break;
default:
return false;
}
// This is just to make sure the IDs are assigned in order, because
// the ID gets used to index into the feature array.
for (unsigned int i=0; i<features.size(); i++) {
features[i].id = i+1;
}
return true;
}
// Compute features of an image.
bool computeFeatures(CFloatImage &image, FeatureSet &features, int featureType, int descriptorType) {
// Compute different types of features depending on value of featureType
// 1: Dummy Features - Arbitrary example features for demonstration purposes only DONT USE THIS
// 2: Harris Features - Features selected using Harris corner detection method
switch (featureType) {
case 1:
dummyComputeFeatures(image, features);
break;
case 2:
ComputeHarrisFeatures(image, features);
break;
default:
return false;
}
// Compute different types of feature descriptors depending on value of descriptorType
// 1: Simple Descriptor - 5x5 square window without orientation centered on feature
// 2: MOPS Descriptor - 8x8 oriented window sub-sampled from a 41x41 pixel region around feature
// 3: Custom Descriptor - extra credit TBD
switch (descriptorType) {
case 1:
ComputeSimpleDescriptors(image, features);
break;
case 2:
ComputeMOPSDescriptors(image, features);
break;
case 3:
ComputeCustomDescriptors(image, features);
break;
default:
return false;
}
// This is just to make sure the IDs are assigned in order, because
// the ID gets used to index into the feature array.
for (unsigned int i=0; i<features.size(); i++) {
features[i].id = i;
}
return true;
}
