BaseMatInstance * MaterialManager::createMeshDebugMatInstance(const ColorF &meshColor)
{
String meshDebugStr = String::ToString( "Torque_MeshDebug_%d", meshColor.getRGBAPack() );
Material *debugMat;
if (!Sim::findObject(meshDebugStr,debugMat))
{
debugMat = allocateAndRegister( meshDebugStr );
debugMat->mDiffuse[0] = meshColor;
debugMat->mEmissive[0] = true;
}
BaseMatInstance *debugMatInstance = NULL;
if( debugMat != NULL )
{
debugMatInstance = debugMat->createMatInstance();
GFXStateBlockDesc desc;
desc.setCullMode(GFXCullNone);
desc.fillMode = GFXFillWireframe;
debugMatInstance->addStateBlockDesc(desc);
// Disable fog and other stuff.
FeatureSet debugFeatures;
debugFeatures.addFeature( MFT_DiffuseColor );
debugMatInstance->init( debugFeatures, getGFXVertexFormat<GFXVertexPCN>() );
}
return debugMatInstance;
}
// Perform simple feature matching. This just uses the SSD
// distance between two feature vectors, and matches a feature in the
// first image with the closest feature in the second image. It can
// match multiple features in the first image to the same feature in
// the second image.
void ssdMatchFeatures(const FeatureSet &f1, const FeatureSet &f2, vector<FeatureMatch> &matches, double &totalScore) {
int m = f1.size();
int n = f2.size();
matches.resize(m);
totalScore = 0;
double d;
double dBest;
int idBest;
for (int i=0; i<m; i++) {
dBest = 1e100;
idBest = 0;
for (int j=0; j<n; j++) {
d = distanceSSD(f1[i].data, f2[j].data);
if (d < dBest) {
dBest = d;
idBest = f2[j].id;
}
}
matches[i].id1 = f1[i].id;
matches[i].id2 = idBest;
matches[i].score = dBest;
totalScore += matches[i].score;
}
}
void RowLookupTable::buildIndex( const FeatureSet & fset )
{
size_t n = fset.size();
if( !n )
return;
_maxY = ( int )fset[ n - 1 ].pt.y;
_rowIndex.resize( _maxY + 1, Row() );
int cy = ( int )fset[ 0 ].pt.y;
_minY = cy;
_rowIndex[ cy ].start = 0;
FeatureSet::CmpYi cmp;
while( cy < _maxY ){
int prevStart = _rowIndex[ cy ].start;
// calculate the upper bound for the previous y coord
int start = std::upper_bound( &fset[ prevStart ],
&fset[ n - 1 ],
fset[ prevStart ], cmp ) - &fset[ 0 ];
if( start == prevStart ) {
break;
}
_rowIndex[ cy ].len = start - prevStart;
cy = ( int ) fset[ start ].pt.y;
_rowIndex[ cy ].start = start;
}
_rowIndex[ cy ].len = fset.size() - _rowIndex[ cy ].start;
}
// Perform ratio feature matching. This just uses the ratio of the SSD distance of the
// two best matches and matches a feature in the first image with the closest feature
// in the second image. It can match multiple features in the first image to the same
// feature in the second image.
void ratioMatchFeatures(const FeatureSet &f1, const FeatureSet &f2, vector<FeatureMatch> &matches)
{
int m = f1.size();
int n = f2.size();
matches.resize(m);
double d;
double dBest, dBest2;
int idBest;
for (int i=0; i<m; i++) {
dBest = 1e100;
dBest2 = 1e100;
idBest = 0;
for (int j=0; j<n; j++) {
d = distanceSSD(f1[i].data, f2[j].data);
if (d < dBest) {
dBest2 = dBest;
dBest = d;
idBest = f2[j].id;
}
else if (d < dBest2) {
dBest2 = d;
}
}
matches[i].id1 = f1[i].id;
matches[i].id2 = idBest;
matches[i].distance = dBest/dBest2;
}
}
void SkyBox::_initMaterial()
{
if ( mMatInstance )
SAFE_DELETE( mMatInstance );
if ( mMaterial )
mMatInstance = mMaterial->createMatInstance();
else
mMatInstance = MATMGR->createMatInstance( "WarningMaterial" );
// We want to disable culling and z write.
GFXStateBlockDesc desc;
desc.setCullMode( GFXCullNone );
desc.setBlend( true );
desc.setZReadWrite( true, false );
mMatInstance->addStateBlockDesc( desc );
// Also disable lighting on the skybox material by default.
FeatureSet features = MATMGR->getDefaultFeatures();
features.removeFeature( MFT_RTLighting );
features.removeFeature( MFT_Visibility );
features.addFeature(MFT_SkyBox);
// Now initialize the material.
mMatInstance->init(features, getGFXVertexFormat<GFXVertexPNT>());
}
// Compute Simple descriptors.
void ComputeSimpleDescriptors(CFloatImage &image, FeatureSet &features)
{
//Create grayscale image used for Harris detection
CFloatImage grayImage=ConvertToGray(image);
vector<Feature>::iterator i = features.begin();
while (i != features.end()) {
Feature &f = *i;
//these fields should already be set in the computeFeatures function
int x = f.x;
int y = f.y;
// now get the 5x5 window surrounding the feature and store them in the features
for(int row=(y-2); row<=(y+2); row++)
{
for(int col=(x-2); col<=(x+2); col++)
{
//if the pixel is out of bounds, assume it is black
if(row<0 || row>=grayImage.Shape().height || col<0 || col>=grayImage.Shape().width)
{
f.data.push_back(0.0);
}
else
{
f.data.push_back(grayImage.Pixel(col,row,0));
}
}
}
printf("feature num %d\n", i->id);
i++;
}
}
void ImposterCaptureMaterialHook::init( BaseMatInstance *inMat )
{
// We cannot capture impostors on custom materials
// as we don't know how to get just diffuse and just
// normals rendering.
if ( dynamic_cast<CustomMaterial*>( inMat->getMaterial() ) )
return;
// Tweak the feature data to include just what we need.
FeatureSet features;
features.addFeature( MFT_VertTransform );
features.addFeature( MFT_DiffuseMap );
features.addFeature( MFT_OverlayMap );
features.addFeature( MFT_DetailMap );
features.addFeature( MFT_DiffuseColor );
features.addFeature( MFT_AlphaTest );
features.addFeature( MFT_IsTranslucent );
const String &matName = inMat->getMaterial()->getName();
mDiffuseMatInst = MATMGR->createMatInstance( matName );
mDiffuseMatInst->getFeaturesDelegate().bind( &ImposterCaptureMaterialHook::_overrideFeatures );
mDiffuseMatInst->init( features, inMat->getVertexFormat() );
features.addFeature( MFT_IsDXTnm );
features.addFeature( MFT_NormalMap );
features.addFeature( MFT_NormalsOut );
mNormalsMatInst = MATMGR->createMatInstance( matName );
mNormalsMatInst->getFeaturesDelegate().bind( &ImposterCaptureMaterialHook::_overrideFeatures );
mNormalsMatInst->init( features, inMat->getVertexFormat() );
}
void ShadowMaterialHook::_overrideFeatures( ProcessedMaterial *mat,
U32 stageNum,
MaterialFeatureData &fd,
const FeatureSet &features )
{
if ( stageNum != 0 )
{
fd.features.clear();
return;
}
// Disable the base texture if we don't
// have alpha test enabled.
if ( !fd.features[ MFT_AlphaTest ] )
{
fd.features.removeFeature( MFT_TexAnim );
fd.features.removeFeature( MFT_DiffuseMap );
}
// HACK: Need to figure out how to enable these
// suckers without this override call!
fd.features.setFeature( MFT_ParaboloidVertTransform,
features.hasFeature( MFT_ParaboloidVertTransform ) );
fd.features.setFeature( MFT_IsSinglePassParaboloid,
features.hasFeature( MFT_IsSinglePassParaboloid ) );
// The paraboloid transform outputs linear depth, so
// it needs to use the plain depth out feature.
if ( fd.features.hasFeature( MFT_ParaboloidVertTransform ) )
fd.features.addFeature( MFT_DepthOut );
else
fd.features.addFeature( MFT_EyeSpaceDepthOut );
}
AbstractClient::AbstractClient(QObject *parent)
: QObject(parent), nextCmdId(0), status(StatusDisconnected)
{
qRegisterMetaType<QVariant>("QVariant");
qRegisterMetaType<CommandContainer>("CommandContainer");
qRegisterMetaType<Response>("Response");
qRegisterMetaType<Response::ResponseCode>("Response::ResponseCode");
qRegisterMetaType<ClientStatus>("ClientStatus");
qRegisterMetaType<RoomEvent>("RoomEvent");
qRegisterMetaType<GameEventContainer>("GameEventContainer");
qRegisterMetaType<Event_ServerIdentification>("Event_ServerIdentification");
qRegisterMetaType<Event_ConnectionClosed>("Event_ConnectionClosed");
qRegisterMetaType<Event_ServerShutdown>("Event_ServerShutdown");
qRegisterMetaType<Event_AddToList>("Event_AddToList");
qRegisterMetaType<Event_RemoveFromList>("Event_RemoveFromList");
qRegisterMetaType<Event_UserJoined>("Event_UserJoined");
qRegisterMetaType<Event_UserLeft>("Event_UserLeft");
qRegisterMetaType<Event_ServerMessage>("Event_ServerMessage");
qRegisterMetaType<Event_ListRooms>("Event_ListRooms");
qRegisterMetaType<Event_GameJoined>("Event_GameJoined");
qRegisterMetaType<Event_UserMessage>("Event_UserMessage");
qRegisterMetaType<Event_NotifyUser>("Event_NotifyUser");
qRegisterMetaType<ServerInfo_User>("ServerInfo_User");
qRegisterMetaType<QList<ServerInfo_User> >("QList<ServerInfo_User>");
qRegisterMetaType<Event_ReplayAdded>("Event_ReplayAdded");
qRegisterMetaType<QList<QString> >("missingFeatures");
FeatureSet features;
features.initalizeFeatureList(clientFeatures);
connect(this, SIGNAL(sigQueuePendingCommand(PendingCommand *)), this, SLOT(queuePendingCommand(PendingCommand *)));
}
int MetalabelFeature::ExtractFeature(const vector<TokenCitation*>& tokenVector, CitationSet& citationSet, UniGramFeature& uniGrams, BiGramFeature& biGrams, JournalSet& journalSet, FeatureSet& allFeatures, int printLog)
{
int rtn = 0;
allFeatures.mFeatures.clear();
allFeatures.mMaxIndex = uniGrams.mDictionary.rbegin()->first + 1;
allFeatures.mFeatures.resize(tokenVector.size());
FeatureSet biFeatures;
biFeatures.mMaxIndex = biGrams.mDictionary.rbegin()->first + 1;
biFeatures.mFeatures.resize(tokenVector.size());
FeatureSet jourFeatures;
jourFeatures.mMaxIndex = journalSet.mJournals.rbegin()->first + 1;
jourFeatures.mFeatures.resize(tokenVector.size());
int numThreads = omp_get_num_procs();
if (printLog != SILENT)
clog << "CPU number: " << numThreads << endl;
omp_set_num_threads(numThreads);
if (printLog != SILENT)
clog << "Start Parallel Extract Features" << endl;
#pragma omp parallel for schedule(dynamic)
for (int i = 0; i < tokenVector.size(); i++)
{
uniGrams.Extract(*tokenVector[i], allFeatures.mFeatures[i]);
}
#pragma omp parallel for schedule(dynamic)
for (int i = 0; i < tokenVector.size(); i++)
{
biGrams.Extract(*tokenVector[i], biFeatures.mFeatures[i]);
}
#pragma omp parallel for schedule(dynamic)
for (int i = 0; i < tokenVector.size(); ++i)
{
Journal* ptrJournal = NULL;
ptrJournal = journalSet.SearchJournalTitle(citationSet[tokenVector[i]->mPmid]->mJournalTitle);
if (ptrJournal != NULL)
{
jourFeatures.mFeatures[i][ptrJournal->mJournalId] = 1.0;
}
else
{
cerr << "Error: can't find \"" << citationSet[tokenVector[i]->mPmid]->mJournalTitle << " in pmid " << tokenVector[i]->mPmid << endl;
}
}
rtn = allFeatures.Merge(biFeatures);
CHECK_RTN(rtn);
rtn = allFeatures.Merge(jourFeatures);
CHECK_RTN(rtn);
rtn = allFeatures.Normalize();
CHECK_RTN(rtn);
return 0;
}
bool IWizardFactory::isAvailable(const QString &platformName) const
{
FeatureSet availableFeatures = pluginFeatures();
foreach (const Core::IFeatureProvider *featureManager, s_providerList)
availableFeatures |= featureManager->availableFeatures(platformName);
return availableFeatures.contains(requiredFeatures());
}
std::vector<float>
SupportVectorMachine::predict(const FeatureSet& fset) const
{
std::vector<float> preds(fset.size());
for(int i = 0; i < fset.size(); i++) {
preds[i] = predict(fset[i]);
}
return preds;
}
bool IWizard::isAvailable(const QString &platformName) const
{
FeatureSet availableFeatures;
const QList<Core::IFeatureProvider*> featureManagers = ExtensionSystem::PluginManager::getObjects<Core::IFeatureProvider>();
foreach (const Core::IFeatureProvider *featureManager, featureManagers)
availableFeatures |= featureManager->availableFeatures(platformName);
return availableFeatures.contains(requiredFeatures());
}
/**
* Reads the recorded gesture data from the files and brings it in the format ready for training.
*/
vector<FeatureSet> GestureManagement::readData() {
// read all takes for each gesture
vector<FeatureSet> sets;
sets.clear();
for (int i=0; i<=NUMBER_OF_ROGGEN_SENSORS; ++i) {
FeatureSet s;
s.clear();
sets.push_back(s);
}
for (int f=0; f<config->getStrings("classification names").size(); ++f) {
if (config->getInt("verbosity") > 1) {
cout << "Training classification name number " << f << endl;
}
// cout << "Gesture: " << f << endl;
vector<float> varianceSums; // compute sums for every sensor within a gesture
varianceSums.clear();
for (int i=0; i<NUMBER_OF_ROGGEN_SENSORS; i++) {
varianceSums.push_back(0); // inital value
}
int sizeSum = 0;
// for (int i=1; i<=NUMBER_OF_TAKES; i++) { // for each of the 3 takes
for (int i=1; i<=config->getInt("number of takes"); ++i) {
// cout << "Take " << i << endl;
string fname = XML_SUBDIRECTORY+config->getStrings("classification names").at(f)+Helper::toString(i)+".xml";
// cout << "Filename: " << fname << endl;
if (!Helper::fileExists(fname.c_str())) {
cerr << fname << " not yet recorded!" << endl;
cerr << "No training possible" << endl;
sets.clear();
return sets;
} else {
vector<vector<int> > rd = convert(XmlFileHandling::readIntData(fname));
for (int sensor=0; sensor<NUMBER_OF_ROGGEN_SENSORS; ++sensor) { // for every sensor
// cout << "Sensor " << sensor << endl;
buffers.at(sensor)->clear();
buffers.at(sensor)->setUnlimited();
buffers.at(sensor)->put(RoggenBuffer::filter(0,config->getInts("IDs").at(sensor),rd));
maxGestureLength = Helper::getMax(maxGestureLength,buffers.at(sensor)->size());
FeatureSample fs;
fs.out = f;
fs.in.clear();
fs.in = extractFeatures(sensor);
sets.at(sensor).push_back(fs);
int size = buffers.at(sensor)->size();
sizeSum += size;
} // for every sensor
} // if fileexists
} // for every take
sizeSum /= config->getInt("number of takes") * NUMBER_OF_ROGGEN_SENSORS; // compute average size of one gesture
sizes.push_back(sizeSum); // store sizes (averages)
} // for every gesture
return sets;
}
void ProcessedFFMaterial::_determineFeatures( U32 stageNum,
FixedFuncFeatureData& featData,
const FeatureSet &features )
{
if ( mStages[stageNum].getTex( MFT_DiffuseMap ) )
featData.features[FixedFuncFeatureData::DiffuseMap] = true;
if ( features.hasFeature( MFT_LightMap ) )
featData.features[FixedFuncFeatureData::LightMap] = true;
if ( features.hasFeature( MFT_ToneMap ))
featData.features[FixedFuncFeatureData::ToneMap] = true;
}
int MatchFeaturesByDistRatio(const FeatureSet &f1, const FeatureSet &f2, vector<FeatureMatch> &matches)
{
//cout<<"ratio between the first and the second best match: "<<Match_threshold_for_ratio<<endl;
int count = 0;
int m = f1.size();
int n = f2.size();
matches.clear();
double d;
double dBest[2];
int idBest;
FeatureMatch feamatch;
for (int i=0; i<m; i++) {
dBest[0] = 1e100;
dBest[1] = 1e100 + 1;
idBest = 0;
for (int j=0; j<n; j++) {
d = distanceEuclidean(f1[i].data, f2[j].data);
if (d < dBest[0]) {
dBest[1] = dBest[0];
dBest[0] = d;
idBest = f2[j].id;
}
else if (d < dBest[1])
{
dBest[1] = d;
}
}
if (sqrt(dBest[0] / dBest[1]) < Match_threshold_for_ratio)
{
feamatch.id = idBest;
matches.push_back(feamatch);
count++;
}
else
{
feamatch.id = -1;
matches.push_back(feamatch);
}
}
return count;
}
//Add a training sample
void LearningInterface::addTrainingSample(FeatureSet &features, double label)
{
sample_type samp;
// samp(0) = (double)features.bandwidth();
// samp(1) = (double)features.contentType();
for(int i = 0; i < FEATURE_SET_NUM_FEATURES; i++)
samp(i) = features.getFeatureByIndex((FeatureSetIndexType) i);
m_training_set.push_back(samp);
if(label == 1.0)
m_labels.push_back(+1);
else
m_labels.push_back(-1);
m_num_training_samples++;
//Test to see if user falls into only one class
if(m_one_class_only)
{
//This is the first sample
if(m_single_class_val == -2)
{
//Set this as the single class value
m_single_class_val = (int) label;
}
//See if this is the other class
else if((int)label != m_single_class_val)
{
//Lower flags
m_one_class_only = false;
}
}
}
/******************* TO DO *********************
* countInliers:
* INPUT:
* f1, f2: source feature sets
* matches: correspondences between f1 and f2
* m: motion model
* f: focal length
* width: image width
* height: image height
* M: transformation matrix
* RANSACthresh: RANSAC distance threshold
* inliers: inlier feature IDs
* OUTPUT:
* transform the features in f1 by M
*
* count the number of features in f1 for which the transformed
* feature is within Euclidean distance RANSACthresh of its match
* in f2
*
* store these features IDs in inliers
*
* this method should be similar to evaluateMatch from project 1,
* except you are comparing each distance to a threshold instead
* of averaging them
*/
int countInliers(const FeatureSet &f1, const FeatureSet &f2,
const vector<FeatureMatch> &matches, MotionModel m,
float f, int width, int height,
CTransform3x3 M, double RANSACthresh, vector<int> &inliers)
{
inliers.clear();
int count = 0;
for (unsigned int i=0; i<f1.size(); i++) {
// BEGIN TODO
// determine if the ith feature in f1, when transformed by M,
// is within RANSACthresh of its match in f2 (if one exists)
//
// if so, increment count and append i to inliers
if (matches[i].id < 0)
continue;
CVector3 p1, p2;
p1[0] = f1[i].x - width / 2.0; p1[1] = f1[i].y - height / 2.0; p1[2] = f;
p2 = M * p1;
double xNew = p2[0] + width / 2.0;
double yNew = p2[1] + height / 2.0;
int f2pos = matches[i].id - 1;
double dist = sqrt(pow(xNew - f2[f2pos].x, 2) + pow(yNew - f2[f2pos].y, 2));
if (dist < RANSACthresh)
{
inliers.push_back(i);
count++;
}
// END TODO
}
return count;
}
// Compute silly example features. This doesn't do anything
// meaningful, but may be useful to use as an example.
void dummyComputeFeatures(CFloatImage &image, FeatureSet &features) {
CShape sh = image.Shape();
Feature f;
for (int y=0; y<sh.height; y++) {
for (int x=0; x<sh.width; x++) {
double r = image.Pixel(x,y,0);
double g = image.Pixel(x,y,1);
double b = image.Pixel(x,y,2);
if ((int)(255*(r+g+b)+0.5) % 100 == 1) {
// If the pixel satisfies this meaningless criterion,
// make it a feature.
f.type = 1;
f.id += 1;
f.x = x;
f.y = y;
f.data.resize(1);
f.data[0] = r + g + b;
features.push_back(f);
}
}
}
}
void ComputeHarrisFeatures(CFloatImage &image, FeatureSet &features)
{
//Create grayscale image used for Harris detection
CFloatImage grayImage=ConvertToGray(image);
//Create image to store Harris values
CFloatImage harrisImage(image.Shape().width,image.Shape().height,1);
//Create image to store local maximum harris values as 1, other pixels 0
CByteImage harrisMaxImage(image.Shape().width,image.Shape().height,1);
//compute Harris values puts harris values at each pixel position in harrisImage.
//You'll need to implement this function.
computeHarrisValues(grayImage, harrisImage);
// Threshold the harris image and compute local maxima. You'll need to implement this function.
computeLocalMaxima(harrisImage,harrisMaxImage);
// Prints out the harris image for debugging purposes
CByteImage tmp(harrisImage.Shape());
convertToByteImage(harrisImage, tmp);
WriteFile(tmp, "harris.tga");
// TO DO--------------------------------------------------------------------
//Loop through feature points in harrisMaxImage and fill in information needed for
//descriptor computation for each point above a threshold. We fill in id, type,
//x, y, and angle.
CFloatImage A(grayImage.Shape());
CFloatImage B(grayImage.Shape());
CFloatImage C(grayImage.Shape());
CFloatImage partialX(grayImage.Shape());
CFloatImage partialY(grayImage.Shape());
GetHarrisComponents(grayImage, A, B, C, &partialX, &partialY);
int featureCount = 0;
for (int y=0;y<harrisMaxImage.Shape().height;y++) {
for (int x=0;x<harrisMaxImage.Shape().width;x++) {
// Skip over non-maxima
if (harrisMaxImage.Pixel(x, y, 0) == 0)
continue;
//TO DO---------------------------------------------------------------------
// Fill in feature with descriptor data here.
Feature f;
f.type = 2;
f.id = featureCount++;
f.x = x;
f.y = y;
f.angleRadians = GetCanonicalOrientation(x, y, A, B, C, partialX, partialY);
//atan(partialY.Pixel(x, y, 0)/partialX.Pixel(x, y, 0));
// Add the feature to the list of features
features.push_back(f);
}
}
}
int MetalabelFeature::ExtractFeature(const vector<TokenCitation*>& tokenVector, UniGramFeature& uniGrams, BiGramFeature& biGrams, feature_node** &featureSpace, int printLog)
{
int numThreads = omp_get_num_procs();
if (printLog != SILENT)
clog << "CPU number: " << numThreads << endl;
omp_set_num_threads(numThreads);
if (printLog != SILENT)
clog << "Extract unigram & bigram" << endl;
if (printLog != SILENT)
clog << "Make Feature table" << endl;
int featureNum = (int)tokenVector.size();
featureSpace = NULL;
featureSpace = Malloc(feature_node*, featureNum);
memset(featureSpace, 0, sizeof(feature_node*)* featureNum);
int uniMaxIndex = uniGrams.mDictionary.rbegin()->first + 1;
int biMaxIndex = biGrams.mDictionary.rbegin()->first + 1;
if (printLog != SILENT)
clog << "Extract features parallel" << endl;
#pragma omp parallel for schedule(dynamic)
for (int i = 0; i < (int)tokenVector.size(); i++)
{
FeatureSet tabAllFeatures;
tabAllFeatures.mMaxIndex = uniMaxIndex;
tabAllFeatures.mFeatures.resize(1);
FeatureSet tabBiFeatures;
tabBiFeatures.mMaxIndex = biMaxIndex;
tabBiFeatures.mFeatures.resize(1);
uniGrams.Extract(*tokenVector[i], tabAllFeatures.mFeatures[0]);
biGrams.Extract(*tokenVector[i], tabBiFeatures.mFeatures[0]);
tabAllFeatures.Merge(tabBiFeatures);
tabAllFeatures.Normalize();
featureSpace[i] = NULL;
LinearMachine::TransFeatures(featureSpace[i], tabAllFeatures.mFeatures[0]);
}
return 0;
}
void ImposterCaptureMaterialHook::_overrideFeatures( ProcessedMaterial *mat,
U32 stageNum,
MaterialFeatureData &fd,
const FeatureSet &features )
{
if ( features.hasFeature( MFT_NormalsOut) )
fd.features.addFeature( MFT_NormalsOut );
fd.features.addFeature( MFT_ForwardShading );
}
void DatabaseSubsystem::getAvailableFeatures(Session& session,
const map<int, int>& clObjMap, FeatureSet& featureSet)
{
int ddType;
string featureName;
double featureParam1, featureParam2, featureParam3;
featureSet.clear();
ostringstream clObjIDs;
for (map<int, int>::const_iterator itr = clObjMap.begin();
itr != clObjMap.end(); ++itr)
{
if (itr != clObjMap.begin()) {
clObjIDs << ",";
}
clObjIDs << itr->first;
}
Statement stmt = (session <<
"SELECT DISTINCT "
" data_descriptor.type, data_feature.feature_name, "
" data_feature.feature_param1, data_feature.feature_param2, "
" data_feature.feature_param3 "
"FROM data_feature INNER JOIN data_descriptor "
"ON (data_feature.descr_id = data_descriptor.descr_id) "
"WHERE data_descriptor.descr_id IN ("
" SELECT descr_id FROM classification_object_data WHERE object_id IN ("
<< clObjIDs.str()
<< "))",
range(0, 1),
into(ddType), into(featureName), into(featureParam1),
into(featureParam2), into(featureParam3));
while (!stmt.done()) {
if (stmt.execute() == 1) {
featureSet.add(FeatureDescriptor(featureName,
(DataDescriptor::Type) ddType, featureParam1, featureParam2,
featureParam3));
}
}
}
void CFeatureDrawer::DrawFadeFeaturesSet(FeatureSet& fadeFeatures, int modelType)
{
for (FeatureSet::iterator fi = fadeFeatures.begin(); fi != fadeFeatures.end(); ) {
const float cols[] = {1.0f, 1.0f, 1.0f, fi->second};
if (modelType != MODELTYPE_3DO) {
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, cols);
}
// hack, sorting objects by distance would look better
glAlphaFunc(GL_GREATER, fi->second / 2.0f);
glColor4fv(cols);
if (!DrawFeatureNow(fi->first, fi->second)) {
fi = set_erase(fadeFeatures, fi);
} else {
++fi;
}
}
}
vector<FeatureMatch> matchFeatures(const FeatureSet &f1, const FeatureSet &f2) {
vector<FeatureMatch> matches;
float threshold = 500;
for (int i = 0; i < f1.size(); ++i) {
int nearest = -1;
float nearestDis = threshold;
for (int j = 0; j < f2.size(); ++j) {
float dis = featureDist(f1[i], f2[j]);
if (dis < nearestDis) {
nearestDis = dis;
nearest = j;
}
}
FeatureMatch newMatch;
newMatch.id = nearest + 1;
newMatch.score = nearestDis;
matches.push_back(newMatch);
}
return matches;
}
FeatureSet FeatureSet::clone() const
{
FeatureSet other;
for (FeatureSet::const_iterator i = begin(); i != end(); ++i) {
FeatureVector cv = i->clone();
// check that all data is the same:
if (cv.size() != i->size())
throw std::runtime_error("ssssssssss");
for (unsigned int idx=0; idx<cv.size(); ++idx) {
if (cv[idx] != (*i)[idx]) {
cout << "(" << cv[idx] << "!=" << (*i)[idx] << ")" << flush;
throw std::runtime_error("??????????");
}
}
if (cv.getTag<TagTrueClassLabel>().label != i->getTag<TagTrueClassLabel>().label) {
cout << "(" << cv.getTag<TagTrueClassLabel>().label << "!=" << i->getTag<TagTrueClassLabel>().label << ")" << flush;
throw std::runtime_error("!!!!!!!!!!!");
}
other.push_back(cv);
}
return other;
}
void
FeatureExtractor::operator()(const ImageDatabase& db, FeatureSet& featureSet) const
{
int n = db.getSize();
featureSet.resize(n);
for(int i = 0; i < n; i++) {
CByteImage img;
ReadFile(img, db.getFilename(i).c_str());
featureSet[i] = (*this)(img);
}
}
bool outputAndCheck(const DataSet& dataSet, const FeatureSet& featureSet)
{
int i = 0;
bool ok = true;
for (DataSet::const_iterator dItr = dataSet.begin(); dItr != dataSet.end();
++dItr, ++i)
{
cout << "DataPoint #" << i << " has " << dItr->components.size()
<< " features: ";
for (DataPoint::ComponentMap::const_iterator cItr =
dItr->components.begin(); cItr != dItr->components.end(); ++cItr)
{
cout << cItr->first.toString() << " ";
if (!featureSet.has(cItr->first)) {
ok = false;
}
}
cout << endl;
if (dItr->components.size() != featureSet.size())
ok = false;
}
return ok;
}
void FeatureSet::filter( const FeatureSet &features )
{
PROFILE_SCOPE( FeatureSet_Filter );
for ( U32 i=0; i < mFeatures.size(); )
{
if ( !features.hasFeature( *mFeatures[i].type ) )
mFeatures.erase_fast( i );
else
i++;
}
mDescription.clear();
}
//Make a prediction using the given feature set
double LearningInterface::predict(FeatureSet &features)
{
//Get the sample
sample_type sample;
// sample(0) = (double)features.bandwidth();
// sample(1) = (double)features.contentType();
for(int i = 0; i < FEATURE_SET_NUM_FEATURES; i++)
sample(i) = features.getFeatureByIndex((FeatureSetIndexType) i);
//If the user only has one label ever applied then the cross validation will fail;
//we can safely predict that this will be their label
return m_one_class_only ? m_single_class_val : m_decision_function(sample);
}
