AlphaReal SingleStumpLearner::run( int colIdx )
{
const int numClasses = _pTrainingData->getNumClasses();
const int numColumns = _pTrainingData->getNumAttributes();
// set the smoothing value to avoid numerical problem
// when theta=0.
setSmoothingVal( 1.0 / (AlphaReal)_pTrainingData->getNumExamples() * 0.01 );
vector<sRates> mu(numClasses); // The class-wise rates. See BaseLearner::sRates for more info.
vector<AlphaReal> tmpV(numClasses); // The class-wise votes/abstentions
AlphaReal tmpAlpha;
AlphaReal bestEnergy = numeric_limits<AlphaReal>::max();
StumpAlgorithm<FeatureReal> sAlgo(numClasses);
sAlgo.initSearchLoop(_pTrainingData);
AlphaReal halfTheta;
if ( _abstention == ABST_REAL || _abstention == ABST_CLASSWISE )
halfTheta = _theta/2.0;
else
halfTheta = 0;
int numOfDimensions = _maxNumOfDimensions;
const pair<vpIterator,vpIterator> dataBeginEnd =
static_cast<SortedData*>(_pTrainingData)->getFileteredBeginEnd( colIdx );
const vpIterator dataBegin = dataBeginEnd.first;
const vpIterator dataEnd = dataBeginEnd.second;
// also sets mu, tmpV, and bestHalfEdge
_threshold = sAlgo.findSingleThresholdWithInit(dataBegin, dataEnd, _pTrainingData,
halfTheta, &mu, &tmpV);
bestEnergy = getEnergy(mu, tmpAlpha, tmpV);
_alpha = tmpAlpha;
_v = tmpV;
_selectedColumn = colIdx;
if ( _selectedColumn != -1 )
{
stringstream thresholdString;
thresholdString << _threshold;
_id = _pTrainingData->getAttributeNameMap().getNameFromIdx(_selectedColumn) + thresholdString.str();
} else {
bestEnergy = numeric_limits<float>::signaling_NaN();
}
return bestEnergy;
}
void Bullet::reset(const Vector2f & pos, const Vector2f & vel) {
setPosition(pos);
Vector2f tmpV(V);
if (vel[0]> 0) {
tmpV[0] = tmpV[0] +vel[0];
}
setVelocity(V);
}
void SlidingReducedOrderObserver::process()
{
DEBUG_BEGIN("void SlidingReducedOrderObserver::process()\n");
if (!_pass)
{
DEBUG_PRINT("First pass \n ");
_pass = true;
//update the estimate using the first value of y, such that C\hat{x}_0 = y_0
const SiconosVector& y = _sensor->y();
_e->zero();
prod(*_C, *_xHat, *_e);
*_e -= y;
SiconosVector tmpV(_DS->n());
SimpleMatrix tmpC(*_C);
for (unsigned int i = 0; i < _e->size(); ++i)
tmpV(i) = (*_e)(i);
tmpC.SolveByLeastSquares(tmpV);
*(_xHat) -= tmpV;
*(_DS->x()) -= tmpV;
_DS->initMemory(1);
_DS->swapInMemory();
DEBUG_EXPR(_DS->display(););
float Vector::angle(const Vector &V)
{//return value should be in [0,PI], if -1, means error
double t1 = length();
Vector tmpV(V);
double t2 = tmpV.length();
if ((fabs(t1)<ZERO) ||(fabs(t2)<ZERO)) {
//printf("\n Vector undefined in Vector::angle(Vector)");//---need to be restored
//if (t1 == 0) outputs();
return -1.0f;
}
float alpha = dotProduct(tmpV)/t1/t2;
//alpha = facos (alpha);
alpha = acos (alpha);
return alpha;
}
AlphaReal ConstantLearner::run()
{
const int numClasses = _pTrainingData->getNumClasses();
//const int numColumns = _pTrainingData->getNumColumns();
// set the smoothing value to avoid numerical problem
// when theta=0.
setSmoothingVal( 1.0 / (AlphaReal)_pTrainingData->getNumExamples() * 0.01 );
vector<sRates> mu(numClasses); // The class-wise rates. See BaseLearner::sRates for more info.
vector<AlphaReal> tmpV(numClasses); // The class-wise votes/abstentions
ConstantAlgorithm cAlgo;
cAlgo.findConstant(_pTrainingData,&mu,&tmpV);
_v = tmpV;
return getEnergy(mu, _alpha, _v);
}
void calcAndResetEmissions(SeqData const & seqData, Grammar & g, EmitWrappers & ew, EmitAnnoMap & eam, string const & annoName)
{
// mk emissions
unsigned n = seqData.seqSize();
xvector_t tmpV(n);
reset(tmpV);
vector<xvector_t> vv(ew.vecWrapNames().size(), tmpV);
ew.vectorEmissions(vv, seqData);
xmatrix_t tmpM(n, n);
reset(tmpM);
vector<xmatrix_t> vm(ew.matWrapNames().size(), tmpM);
ew.matrixEmissions(vm, seqData);
// mask according to anno
if ( eam.size() and annoName.size() ) {
string const & anno = seqData.getAnno(annoName);
maskEmissions(vv, ew.vecWrapNames(), anno, eam);
maskEmissions(vm, ew.matWrapNames(), anno, eam);
}
g.resetEmissions(vv, vm);
}
float UCBVHaarSingleStumpLearner::run()
{
if ( UCBVHaarSingleStumpLearner::_numOfCalling == 0 ) {
init();
}
UCBVHaarSingleStumpLearner::_numOfCalling++;
//cout << "Num of iter:\t" << UCBVHaarSingleStumpLearner::_numOfCalling << " " << this->getTthSeriesElement( UCBVHaarSingleStumpLearner::_numOfCalling ) << flush << endl;
const int numClasses = _pTrainingData->getNumClasses();
// set the smoothing value to avoid numerical problem
// when theta=0.
setSmoothingVal( 1.0 / (float)_pTrainingData->getNumExamples() * 0.01 );
vector<sRates> mu(numClasses); // The class-wise rates. See BaseLearner::sRates for more info.
vector<float> tmpV(numClasses); // The class-wise votes/abstentions
float tmpThreshold;
float tmpAlpha;
float bestEnergy = numeric_limits<float>::max();
float tmpEnergy;
HaarData* pHaarData = static_cast<HaarData*>(_pTrainingData);
// get the whole data matrix
//const vector<int*>& intImages = pHaarData->getIntImageVector();
// The data matrix transformed into the feature's space
vector< pair<int, float> > processedHaarData(_pTrainingData->getNumExamples());
// I need to prepare both type of sampling
StumpAlgorithm<float> sAlgo(numClasses);
sAlgo.initSearchLoop(_pTrainingData);
float halfTheta;
if ( _abstention == ABST_REAL || _abstention == ABST_CLASSWISE )
halfTheta = _theta/2.0;
else
halfTheta = 0;
// The declared features types
vector<HaarFeature*>& loadedFeatures = pHaarData->getLoadedFeatures();
// for every feature type
vector<HaarFeature*>::iterator ftIt;
//vector<HaarFeature*>::iterator maxftIt;
vector<float> maxV( loadedFeatures.size() );
vector<int> maxKey( loadedFeatures.size() );
vector<int> maxNum( loadedFeatures.size() );
//claculate the Bk,s,t of the randomly chosen features
int key = getKeyOfMaximalElement();
int featureIdx = (int) (key / 10);
int featureType = (key % 10);
//for (i = 0, ftIt = loadedFeatures.begin(); ftIt != loadedFeatures.end(); i++ ++ftIt)
//*ftIt = loadedFeatures[ featureType ];
// just for readability
//HaarFeature* pCurrFeature = *ftIt;
HaarFeature* pCurrFeature = loadedFeatures[ featureType ];
if (_samplingType != ST_NO_SAMPLING)
pCurrFeature->setAccessType(AT_RANDOM_SAMPLING);
// Reset the iterator on the configurations. For random sampling
// this clear the visited list
pCurrFeature->loadConfigByNum( featureIdx );
if (_verbose > 1)
cout << "Learning type " << pCurrFeature->getName() << ".." << flush;
// transform the data from intImages to the feature's space
pCurrFeature->fillHaarData( _pTrainingData->getExamples(), processedHaarData );
//pCurrFeature->fillHaarData(intImages, processedHaarData);
// sort the examples in the new space by their coordinate
sort( processedHaarData.begin(), processedHaarData.end(),
nor_utils::comparePair<2, int, float, less<float> >() );
// find the optimal threshold
tmpThreshold = sAlgo.findSingleThresholdWithInit(processedHaarData.begin(),
processedHaarData.end(),
_pTrainingData, halfTheta, &mu, &tmpV);
tmpEnergy = getEnergy(mu, tmpAlpha, tmpV);
// Store it in the current weak hypothesis.
// note: I don't really like having so many temp variables
// but the alternative would be a structure, which would need
// to be inheritable to make things more consistent. But this would
// make it less flexible. Therefore, I am still undecided. This
// might change!
_alpha = tmpAlpha;
_v = tmpV;
// I need to save the configuration because it changes within the object
_selectedConfig = pCurrFeature->getCurrentConfig();
// I save the object because it contains the informations about the type,
// the name, etc..
_pSelectedFeature = pCurrFeature;
_threshold = tmpThreshold;
bestEnergy = tmpEnergy;
float edge = 0.0;
for( vector<sRates>::iterator itR = mu.begin(); itR != mu.end(); itR++ ) edge += ( itR->rPls - itR->rMin );
//need to set the X value
updateKeys( key, edge * edge );
if (!_pSelectedFeature)
{
cerr << "ERROR: No Haar Feature found. Something must be wrong!" << endl;
exit(1);
}
else
{
if (_verbose > 1)
cout << "Selected type: " << _pSelectedFeature->getName() << endl;
}
return bestEnergy;
}
AlphaReal SingleStumpLearner::run()
{
const int numClasses = _pTrainingData->getNumClasses();
const int numColumns = _pTrainingData->getNumAttributes();
// set the smoothing value to avoid numerical problem
// when theta=0.
setSmoothingVal( 1.0 / (AlphaReal)_pTrainingData->getNumExamples() * 0.01 );
vector<sRates> mu(numClasses); // The class-wise rates. See BaseLearner::sRates for more info.
vector<AlphaReal> tmpV(numClasses); // The class-wise votes/abstentions
FeatureReal tmpThreshold;
AlphaReal tmpAlpha;
AlphaReal bestEnergy = numeric_limits<AlphaReal>::max();
AlphaReal tmpEnergy;
StumpAlgorithm<FeatureReal> sAlgo(numClasses);
sAlgo.initSearchLoop(_pTrainingData);
AlphaReal halfTheta;
if ( _abstention == ABST_REAL || _abstention == ABST_CLASSWISE )
halfTheta = _theta/2.0;
else
halfTheta = 0;
int numOfDimensions = _maxNumOfDimensions;
for (int j = 0; j < numColumns; ++j)
{
// Tricky way to select numOfDimensions columns randomly out of numColumns
int rest = numColumns - j;
float r = rand()/static_cast<float>(RAND_MAX);
if ( static_cast<float>(numOfDimensions) / rest > r )
{
--numOfDimensions;
//if ( static_cast<SortedData*>(_pTrainingData)->isAttributeEmpty( j ) ) continue;
const pair<vpIterator,vpIterator> dataBeginEnd =
static_cast<SortedData*>(_pTrainingData)->getFileteredBeginEnd(j);
const vpIterator dataBegin = dataBeginEnd.first;
const vpIterator dataEnd = dataBeginEnd.second;
// also sets mu, tmpV, and bestHalfEdge
tmpThreshold = sAlgo.findSingleThresholdWithInit(dataBegin, dataEnd, _pTrainingData,
halfTheta, &mu, &tmpV);
if (tmpThreshold == tmpThreshold) // tricky way to test Nan
{
// small inconsistency compared to the standard algo (but a good
// trade-off): in findThreshold we maximize the edge (suboptimal but
// fast) but here (among dimensions) we minimize the energy.
tmpEnergy = getEnergy(mu, tmpAlpha, tmpV);
if (tmpEnergy < bestEnergy && tmpAlpha > 0)
{
// Store it in the current weak hypothesis.
// note: I don't really like having so many temp variables
// but the alternative would be a structure, which would need
// to be inheritable to make things more consistent. But this would
// make it less flexible. Therefore, I am still undecided. This
// might change!
_alpha = tmpAlpha;
_v = tmpV;
_selectedColumn = j;
_threshold = tmpThreshold;
bestEnergy = tmpEnergy;
}
} // tmpThreshold == tmpThreshold
}
}
if ( _selectedColumn != -1 )
{
stringstream thresholdString;
thresholdString << _threshold;
_id = _pTrainingData->getAttributeNameMap().getNameFromIdx(_selectedColumn) + thresholdString.str();
} else {
bestEnergy = numeric_limits<AlphaReal>::signaling_NaN();
}
return bestEnergy;
}
void SolveSLE(const Matrix &A, Matrix &Z, const Matrix &b, float initialZ)
{
int aCols = A.GetColsCount();
int aRows = A.GetRowsCount();
int zCols = Z.GetColsCount();
int zRows = Z.GetRowsCount();
int bCols = b.GetColsCount();
int bRows = b.GetRowsCount();
if (aCols != aRows || zCols != 1 || bCols != 1 || zRows != bRows || zRows != aCols)
throw("SLE solver: This is not a SLE!\n");
printf(" Solving SLE ... \n");
clock_t time = clock();
int m = aCols;
float normb = b.Norm();
Matrix rk(m, 1);
Matrix pk(m, 1);
Matrix Ark(m, 1);
Matrix Apk(m, 1);
Matrix zp(m, 1);
Matrix zpp(m, 1);
Matrix tmpV(m, 1);
zpp.Fill(initialZ);
pk.Fill(0.0f);
rk.Fill(0.0f);
Ark.Fill(0.0f);
Apk.Fill(0.0f);
zp.Fill(0.0f);
tmpV.Fill(0.0f);
rk = A * zpp - b;
float normr = rk.Norm();
Ark = A * rk;
float d = Ark.Dot(rk);
zp = zpp - rk * (normr * normr / d);
int flag = 1;
int iterations = 1;
while (flag == 1)
{
rk = A * zp - b;
normr = rk.Norm();
pk = zp - zpp;
Ark = A * rk;
Apk = A * pk;
float dot1 = Ark.Dot(pk);
float dot2 = rk.Dot(pk);
float dot3 = Ark.Dot(rk);
float dot4 = Apk.Dot(pk);
d = dot3 * dot4 - dot1 * dot1;
float gamma = ((normr * normr) * dot4 - dot2 * dot1) / d;
float beta = ((normr * normr) * dot1 - dot2 * dot3) / d;
zpp = zp;
zp -= rk * gamma - pk * beta;
tmpV = A * zp - b;
double norm = tmpV.Norm();
double error = norm / normb;
printf(" Iteration:%d\terror:%f\n", iterations, error);
if (error < 0.0001)
flag = 0;
iterations++;
}
printf(" SLE solved with %d iterations for %f\n", iterations, (double)(clock() - time) / (CLOCKS_PER_SEC * 60));
Z = zp;
return;
}
void TScene::DrawRadarLabel(Vector pos)
{
// Draw Radar Slots
glMatrixMode(GL_MODELVIEW);
Vector col(0.25f,0.25f,0);
// DrawLine2D(0.3f,0,0.7f,0,Vector(1,1,0));
DrawLine2D(0.7f,0,0.7f,0.3f,col);
DrawLine2D(0.7f,0.3f,0.3f,0.3f,col);
DrawLine2D(0.3f,0.3f,0.3f,0,col);
DrawLine2D(0.3f,1,0.3f,0.7f,col);
DrawLine2D(0.3f,0.7f,0.7f,0.7f,col);
DrawLine2D(0.7f,0.7f,0.7f,1,col);
Vector lskPos(0,0,0),lskPos2(0,0,0),tmpV(0,0,0);
float tmp=0;
OGLMath_VectorMatrixMultiply( lskPos, pos, Camera->CameraMatrix);
lskPos2=lskPos;
/*
float mmodel[16]={0};
gluLookAt(0,0,0,dir.x,dir.y,dir.z,up.x,up.y,up.z);
// glPushMatrix();
glGetFloatv(GL_MODELVIEW_MATRIX, mmodel);
// glPopMatrix();
glLoadIdentity();
glTranslatef(pos.x, pos.y, pos.z);
glMultTransposeMatrixf(mmodel);*/
//Camera->Apply();
float l=2000.0f-GetVectorLength(Camera->GetPosition()-pos);
lskPos.x=lskPos.x/(3000.0f-l)+0.5f+0.35f;
lskPos.y=lskPos.y/(3000.0f-l);//+0.5f;
lskPos.z=-lskPos.z/(3000.0f-l)+0.5f-0.35f;
if (lskPos.y>0.3f) lskPos.y=0.3f;
if (lskPos.y<-0.3f) lskPos.y=-0.3f;
DrawLine2D(lskPos.x, lskPos.z, lskPos.x, lskPos.z+lskPos.y, Vector(1,1,1));
DrawLine2D(lskPos.x, lskPos.z+lskPos.y, lskPos.x+0.01f, lskPos.z+lskPos.y, Vector(1,1,1));
DrawLine2D(0.85-0.01f,0.15,0.85+0.01f,0.15,Vector(1,1,1));
DrawLine2D(0.85,0.15-0.01f,0.85,0.15+0.01f,Vector(1,1,1));
// Draw Label of Sphere Radar
float mmodel[16]={0};
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0,0,10,0,2.3f,1,0,1,0);
glGetFloatv(GL_MODELVIEW_MATRIX, mmodel);
lskPos2=NormalizeVector(lskPos2)*1.2f;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMultMatrixf(ProjectionMatrix);
glMultMatrixf(mmodel);
glMatrixMode(GL_MODELVIEW);
// tmpV=Camera->GetPosition();
// DrawLine(Vector(tmpV.x,tmpV.y,tmpV.z-1.0f),Vector(tmpV.x+50.0f,tmpV.y+50.0f,tmpV.z-100.0f), Vector(1,1,1));
// DrawLine(Vector(0,0,0),Vector(100,100,-100),Vector(1,1,1));
DrawLine(Vector(0,0,0),lskPos2,Vector(1,1,1));
// glBlendFunc(GL_SRC_ALPHA,GL_NONE); // Select The Type Of Blending
// glEnable(GL_COLOR_MATERIAL);
// glDisable(GL_LIGHTING);
// glDisable(GL_LIGHT0);
RenderPlanet(0.25f,Vector(0,0,0),6);
// glEnable(GL_LIGHTING);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMultMatrixf(ProjectionMatrix);
glMultMatrixf(Camera->CameraMatrix);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
AlphaReal HaarMultiStumpLearner::run()
{
const int numClasses = _pTrainingData->getNumClasses();
// set the smoothing value to avoid numerical problem
// when theta=0.
setSmoothingVal( 1.0 / (AlphaReal)_pTrainingData->getNumExamples() * 0.01 );
vector<sRates> mu(numClasses); // The class-wise rates. See BaseLearner::sRates for more info.
vector<AlphaReal> tmpV(numClasses); // The class-wise votes/abstentions
vector<FeatureReal> tmpThresholds(numClasses);
AlphaReal tmpAlpha;
AlphaReal bestEnergy = numeric_limits<AlphaReal>::max();
AlphaReal tmpEnergy;
HaarData* pHaarData = static_cast<HaarData*>(_pTrainingData);
// get the whole data matrix
// const vector<int*>& intImages = pHaarData->getIntImageVector();
// The data matrix transformed into the feature's space
vector< pair<int, FeatureReal> > processedHaarData(_pTrainingData->getNumExamples());
// I need to prepare both type of sampling
int numConf; // for ST_NUM
time_t startTime, currentTime; // for ST_TIME
long numProcessed;
bool quitConfiguration;
StumpAlgorithm<FeatureReal> sAlgo(numClasses);
sAlgo.initSearchLoop(_pTrainingData);
// The declared features types
vector<HaarFeature*>& loadedFeatures = pHaarData->getLoadedFeatures();
// for every feature type
vector<HaarFeature*>::iterator ftIt;
for (ftIt = loadedFeatures.begin(); ftIt != loadedFeatures.end(); ++ftIt)
{
// just for readability
HaarFeature* pCurrFeature = *ftIt;
if (_samplingType != ST_NO_SAMPLING)
pCurrFeature->setAccessType(AT_RANDOM_SAMPLING);
// Reset the iterator on the configurations. For random sampling
// this shuffles the configurations.
pCurrFeature->resetConfigIterator();
quitConfiguration = false;
numProcessed = 0;
numConf = 0;
time( &startTime );
if (_verbose > 1)
cout << "Learning type " << pCurrFeature->getName() << ".." << flush;
// While there is a configuration available
while ( pCurrFeature->hasConfigs() )
{
// transform the data from intImages to the feature's space
pCurrFeature->fillHaarData(_pTrainingData->getExamples(), processedHaarData);
// sort the examples in the new space by their coordinate
sort( processedHaarData.begin(), processedHaarData.end(),
nor_utils::comparePair<2, int, float, less<float> >() );
// find the optimal threshold
sAlgo.findMultiThresholdsWithInit(processedHaarData.begin(), processedHaarData.end(),
_pTrainingData, tmpThresholds, &mu, &tmpV);
tmpEnergy = getEnergy(mu, tmpAlpha, tmpV);
++numProcessed;
if (tmpEnergy < bestEnergy)
{
// Store it in the current weak hypothesis.
// note: I don't really like having so many temp variables
// but the alternative would be a structure, which would need
// to be inheritable to make things more consistent. But this would
// make it less flexible. Therefore, I am still undecided. This
// might change!
_alpha = tmpAlpha;
_v = tmpV;
// I need to save the configuration because it changes within the object
_selectedConfig = pCurrFeature->getCurrentConfig();
// I save the object because it contains the informations about the type,
// the name, etc..
_pSelectedFeature = pCurrFeature;
_thresholds = tmpThresholds;
bestEnergy = tmpEnergy;
}
// Move to the next configuration
pCurrFeature->moveToNextConfig();
// check stopping criterion for random configurations
switch (_samplingType)
{
case ST_NUM:
++numConf;
if (numConf >= _samplingVal)
quitConfiguration = true;
break;
case ST_TIME:
{
time( ¤tTime );
float diff = difftime(currentTime, startTime); // difftime is in seconds
if (diff >= _samplingVal)
quitConfiguration = true;
}
break;
case ST_NO_SAMPLING:
perror("ERROR: st no sampling... not sure what this means");
break;
} // end switch
if (quitConfiguration)
break;
} // end while
if (_verbose > 1)
{
time( ¤tTime );
float diff = difftime(currentTime, startTime); // difftime is in seconds
cout << "done! "
<< "(processed: " << numProcessed
<< " - elapsed: " << diff << " sec)"
<< endl;
}
}
if (!_pSelectedFeature)
{
cerr << "ERROR: No Haar Feature found. Something must be wrong!" << endl;
exit(1);
}
else
{
if (_verbose > 1)
cout << "Selected type: " << _pSelectedFeature->getName() << endl;
}
return bestEnergy;
}
void AlgFilter::ComFog::apply()
{
cv::Mat* mat = image.GetMat();
unsigned int width = mat->cols;
unsigned int height = mat->rows;
unsigned int channels = mat->channels();
cv::Mat tmpMat;
mat->copyTo(tmpMat);
int randNum, randDirection, m, n;
std::vector<cv::Mat> v(channels);
cv::split(*mat, v);
std::vector<cv::Mat> tmpV(channels);
cv::split(*mat, tmpV);
for (unsigned int k = 0; k < channels; k++)
{
for (unsigned int j = 0; j < height; j++)
{
for (unsigned int i = 0; i < width; i++)
{
randNum = rand() % randRange;
randDirection = rand() % 4;
switch (randDirection)
{
case 0:
m = i + randNum;
n = j + randNum;
break;
case 1:
m = i - randNum;
n = j - randNum;
break;
case 2:
m = i + randNum;
n = j - randNum;
break;
case 3:
m = i - randNum;
n = j + randNum;
break;
default:
break;
}
if ((unsigned int)m >= width)
{
m = width - 1;
}
if ((unsigned int)n >= height)
{
n = height - 1;
}
if (m < 0)
{
m = 0;
}
if (n < 0)
{
n = 0;
}
v[k].at<uchar>(j, i) = tmpV[k].at<uchar>(n, m);
}
}
}
cv::merge(v, *mat);
}
AlphaReal BanditSingleSparseStump::run()
{
if ( ! this->_banditAlgo->isInitialized() ) {
init();
}
const int numClasses = _pTrainingData->getNumClasses();
const int numColumns = _pTrainingData->getNumAttributes();
// set the smoothing value to avoid numerical problem
// when theta=0.
setSmoothingVal( (AlphaReal) 1.0 / (AlphaReal)_pTrainingData->getNumExamples() * (AlphaReal)0.01 );
vector<sRates> mu(numClasses); // The class-wise rates. See BaseLearner::sRates for more info.
vector<AlphaReal> tmpV(numClasses); // The class-wise votes/abstentions
FeatureReal tmpThreshold;
AlphaReal tmpAlpha;
AlphaReal bestEnergy = numeric_limits<AlphaReal>::max();
AlphaReal tmpEnergy;
StumpAlgorithmLSHTC<FeatureReal> sAlgo(numClasses);
sAlgo.initSearchLoop(_pTrainingData);
AlphaReal halfTheta;
if ( _abstention == ABST_REAL || _abstention == ABST_CLASSWISE )
halfTheta = _theta/(AlphaReal)2.0;
else
halfTheta = 0;
AlphaReal bestReward = 0.0;
_banditAlgo->getKBestAction( _K, _armsForPulling );
_rewards.resize( _armsForPulling.size() );
if ( this->_armsForPulling.size() == 0 )
{
cout << "error" << endl;
}
for( int i = 0; i < (int)_armsForPulling.size(); i++ ) {
//columnIndices[i] = p.second;
const pair<vpReverseIterator,vpReverseIterator> dataBeginEnd =
static_cast<SortedData*>(_pTrainingData)->getFileteredReverseBeginEnd( _armsForPulling[i] );
/*
const pair<vpIterator,vpIterator> dataBeginEnd =
static_cast<SortedData*>(_pTrainingData)->getFileteredBeginEnd( _armsForPulling[i] );
*/
const vpReverseIterator dataBegin = dataBeginEnd.first;
const vpReverseIterator dataEnd = dataBeginEnd.second;
/*
const vpIterator dataBegin = dataBeginEnd.first;
const vpIterator dataEnd = dataBeginEnd.second;
*/
// also sets mu, tmpV, and bestHalfEdge
tmpThreshold = sAlgo.findSingleThresholdWithInit(dataBegin, dataEnd, _pTrainingData,
halfTheta, &mu, &tmpV);
tmpEnergy = getEnergy(mu, tmpAlpha, tmpV);
//update the weights in the UCT tree
AlphaReal edge = 0.0;
for ( vector<sRates>::iterator itR = mu.begin(); itR != mu.end(); itR++ ) edge += ( itR->rPls - itR->rMin );
AlphaReal reward = this->getRewardFromEdge( edge );
_rewards[i] = reward;
if ( _verbose > 3 ) {
//cout << "\tK = " <<i << endl;
cout << "\tTempAlpha: " << tmpAlpha << endl;
cout << "\tTempEnergy: " << tmpEnergy << endl;
cout << "\tUpdate weight: " << reward << endl;
}
if ( (i==0) || (tmpEnergy < bestEnergy && tmpAlpha > 0) )
{
// Store it in the current weak hypothesis.
// note: I don't really like having so many temp variables
// but the alternative would be a structure, which would need
// to be inheritable to make things more consistent. But this would
// make it less flexible. Therefore, I am still undecided. This
// might change!
_alpha = tmpAlpha;
_v = tmpV;
_selectedColumn = _armsForPulling[i];
_threshold = tmpThreshold;
bestEnergy = tmpEnergy;
bestReward = reward;
}
}
if ( _banditAlgoName == BA_EXP3G2 )
{
vector<AlphaReal> ePayoffs( numColumns );
fill( ePayoffs.begin(), ePayoffs.end(), 0.0 );
for( int i=0; i<_armsForPulling.size(); i++ )
{
ePayoffs[_armsForPulling[i]] = _rewards[i];
}
estimatePayoffs( ePayoffs );
(dynamic_cast<Exp3G2*>(_banditAlgo))->receiveReward( ePayoffs );
} else {
for( int i=0; i<_armsForPulling.size(); i++ )
{
_banditAlgo->receiveReward( _armsForPulling[i], _rewards[i] );
}
}
if ( _verbose > 2 ) cout << "Column has been selected: " << _selectedColumn << endl;
stringstream thresholdString;
thresholdString << _threshold;
_id = _pTrainingData->getAttributeNameMap().getNameFromIdx(_selectedColumn) + thresholdString.str();
_reward = bestReward;
return bestEnergy;
}
float SelectorLearner::run()
{
const int numClasses = _pTrainingData->getNumClasses();
const int numColumns = _pTrainingData->getNumAttributes();
const int numExamples = _pTrainingData->getNumExamples();
// set the smoothing value to avoid numerical problem
// when theta=0.
setSmoothingVal( 1.0 / (float)_pTrainingData->getNumExamples() * 0.01 );
vector<sRates> vMu(numClasses); // The class-wise rates. See BaseLearner::sRates for more info.
vector<float> tmpV(numClasses); // The class-wise votes/abstentions
float tmpAlpha, tmpEnergy;
float bestEnergy = numeric_limits<float>::max();
int numOfDimensions = _maxNumOfDimensions;
for (int j = 0; j < numColumns; ++j)
{
// Tricky way to select numOfDimensions columns randomly out of numColumns
int rest = numColumns - j;
float r = rand()/static_cast<float>(RAND_MAX);
if ( static_cast<float>(numOfDimensions) / rest > r )
{
--numOfDimensions;
/*
if (_verbose > 2)
cout << " --> trying attribute = "
<<_pTrainingData->getAttributeNameMap().getNameFromIdx(j)
<< endl << flush;
*/
const int numIdxs = _pTrainingData->getEnumMap(j).getNumNames();
// Create and initialize the numIdxs x numClasses gamma matrix
vector<vector<float> > tmpGammasPls(numIdxs);
vector<vector<float> > tmpGammasMin(numIdxs);
for (int io = 0; io < numIdxs; ++io) {
vector<float> tmpGammaPls(numClasses);
vector<float> tmpGammaMin(numClasses);
fill(tmpGammaPls.begin(), tmpGammaPls.end(), 0.0);
fill(tmpGammaMin.begin(), tmpGammaMin.end(), 0.0);
tmpGammasPls[io] = tmpGammaPls;
tmpGammasMin[io] = tmpGammaMin;
}
// Compute the elements of the gamma plus and minus matrices
float entry;
for (int i = 0; i < numExamples; ++i) {
const vector<Label>& labels = _pTrainingData->getLabels(i);
int io = static_cast<int>(_pTrainingData->getValue(i,j));
for (int l = 0; l < numClasses; ++l) {
entry = labels[l].weight * labels[l].y;
if (entry > 0)
tmpGammasPls[io][l] += entry;
else if (entry < 0)
tmpGammasMin[io][l] += -entry;
}
}
// Initialize the u vector to random +-1
vector<sRates> uMu(numIdxs); // The idx-wise rates
vector<float> tmpU(numIdxs);// The idx-wise votes/abstentions
vector<float> previousTmpU(numIdxs);// The idx-wise votes/abstentions
for (int io = 0; io < numIdxs; ++io) {
uMu[io].classIdx = io;
}
for (int io = 0; io < numIdxs; ++io) {
// initializing u as it has only one positive element
fill( tmpU.begin(), tmpU.end(), -1 );
tmpU[io] = +1;
vector<sRates> vMu(numClasses); // The label-wise rates
for (int l = 0; l < numClasses; ++l)
vMu[l].classIdx = l;
vector<float> tmpV(numClasses); // The label-wise votes/abstentions
float tmpVal;
tmpAlpha = 0.0;
//filling out tmpV and vMu
for (int l = 0; l < numClasses; ++l) {
vMu[l].rPls = vMu[l].rMin = vMu[l].rZero = 0;
for (int io = 0; io < numIdxs; ++io) {
if (tmpU[io] > 0) {
vMu[l].rPls += tmpGammasPls[io][l];
vMu[l].rMin += tmpGammasMin[io][l];
}
else if (tmpU[io] < 0) {
vMu[l].rPls += tmpGammasMin[io][l];
vMu[l].rMin += tmpGammasPls[io][l];
}
}
if (vMu[l].rPls >= vMu[l].rMin) {
tmpV[l] = +1;
}
else {
tmpV[l] = -1;
tmpVal = vMu[l].rPls;
vMu[l].rPls = vMu[l].rMin;
vMu[l].rMin = tmpVal;
}
}
tmpEnergy = AbstainableLearner::getEnergy(vMu, tmpAlpha, tmpV);
if ( tmpEnergy < bestEnergy && tmpAlpha > 0 ) {
_alpha = tmpAlpha;
_v = tmpV;
//_u = tmpU;
_positiveIdxOfArrayU = io;
_selectedColumn = j;
bestEnergy = tmpEnergy;
}
}
}
}
if (_selectedColumn>-1)
{
_id = _pTrainingData->getAttributeNameMap().getNameFromIdx(_selectedColumn);
return bestEnergy;
} else {
return bestEnergy = numeric_limits<float>::signaling_NaN();
}
}
float EnumLearner::run( int colIdx )
{
const int numClasses = _pTrainingData->getNumClasses();
const int numColumns = _pTrainingData->getNumAttributes();
const int numExamples = _pTrainingData->getNumExamples();
// set the smoothing value to avoid numerical problem
// when theta=0.
setSmoothingVal( 1.0 / (float)_pTrainingData->getNumExamples() * 0.01 );
vector<sRates> vMu(numClasses); // The class-wise rates. See BaseLearner::sRates for more info.
vector<float> tmpV(numClasses); // The class-wise votes/abstentions
vector<float> previousTmpV(numClasses); // The class-wise votes/abstentions
float tmpAlpha,previousTmpAlpha, previousEnergy;
float bestEnergy = numeric_limits<float>::max();
int numOfDimensions = _maxNumOfDimensions;
// Tricky way to select numOfDimensions columns randomly out of numColumns
int j = colIdx;
if (_verbose > 2)
cout << " --> trying attribute = "
<<_pTrainingData->getAttributeNameMap().getNameFromIdx(j)
<< endl << flush;
const int numIdxs = _pTrainingData->getEnumMap(j).getNumNames();
// Create and initialize the numIdxs x numClasses gamma matrix
vector<vector<float> > tmpGammasPls(numIdxs);
vector<vector<float> > tmpGammasMin(numIdxs);
for (int io = 0; io < numIdxs; ++io) {
vector<float> tmpGammaPls(numClasses);
vector<float> tmpGammaMin(numClasses);
fill(tmpGammaPls.begin(), tmpGammaPls.end(), 0.0);
fill(tmpGammaMin.begin(), tmpGammaMin.end(), 0.0);
tmpGammasPls[io] = tmpGammaPls;
tmpGammasMin[io] = tmpGammaMin;
}
// Compute the elements of the gamma plus and minus matrices
float entry;
for (int i = 0; i < numExamples; ++i) {
const vector<Label>& labels = _pTrainingData->getLabels(i);
int io = static_cast<int>(_pTrainingData->getValue(i,j));
for (int l = 0; l < numClasses; ++l) {
entry = labels[l].weight * labels[l].y;
if (entry > 0)
tmpGammasPls[io][l] += entry;
else if (entry < 0)
tmpGammasMin[io][l] += -entry;
}
}
// Initialize the u vector to random +-1
vector<sRates> uMu(numIdxs); // The idx-wise rates
vector<float> tmpU(numIdxs);// The idx-wise votes/abstentions
vector<float> previousTmpU(numIdxs);// The idx-wise votes/abstentions
for (int io = 0; io < numIdxs; ++io) {
uMu[io].classIdx = io;
if ( rand()/static_cast<float>(RAND_MAX) > 0.5 )
tmpU[io] = +1;
else
tmpU[io] = -1;
}
//vector<sRates> vMu(numClasses); // The label-wise rates
for (int l = 0; l < numClasses; ++l)
vMu[l].classIdx = l;
//vector<float> tmpV(numClasses); // The label-wise votes/abstentions
float tmpEnergy = numeric_limits<float>::max();
float tmpVal;
tmpAlpha = 0.0;
while (1) {
previousEnergy = tmpEnergy;
previousTmpV = tmpV;
previousTmpAlpha = tmpAlpha;
//filling out tmpV and vMu
for (int l = 0; l < numClasses; ++l) {
vMu[l].rPls = vMu[l].rMin = vMu[l].rZero = 0;
for (int io = 0; io < numIdxs; ++io) {
if (tmpU[io] > 0) {
vMu[l].rPls += tmpGammasPls[io][l];
vMu[l].rMin += tmpGammasMin[io][l];
}
else if (tmpU[io] < 0) {
vMu[l].rPls += tmpGammasMin[io][l];
vMu[l].rMin += tmpGammasPls[io][l];
}
}
if (vMu[l].rPls >= vMu[l].rMin) {
tmpV[l] = +1;
}
else {
tmpV[l] = -1;
tmpVal = vMu[l].rPls;
vMu[l].rPls = vMu[l].rMin;
vMu[l].rMin = tmpVal;
}
}
tmpEnergy = AbstainableLearner::getEnergy(vMu, tmpAlpha, tmpV);
if (_verbose > 2)
cout << " --> energy V = " << tmpEnergy << "\talpha = " << tmpAlpha << endl << flush;
if (tmpEnergy >= previousEnergy) {
tmpV = previousTmpV;
break;
}
previousEnergy = tmpEnergy;
previousTmpU = tmpU;
previousTmpAlpha = tmpAlpha;
//filling out tmpU and uMu
for (int io = 0; io < numIdxs; ++io) {
uMu[io].rPls = uMu[io].rMin = uMu[io].rZero = 0;
for (int l = 0; l < numClasses; ++l) {
if (tmpV[l] > 0) {
uMu[io].rPls += tmpGammasPls[io][l];
uMu[io].rMin += tmpGammasMin[io][l];
}
else if (tmpV[l] < 0) {
uMu[io].rPls += tmpGammasMin[io][l];
uMu[io].rMin += tmpGammasPls[io][l];
}
}
if (uMu[io].rPls >= uMu[io].rMin) {
tmpU[io] = +1;
}
else {
tmpU[io] = -1;
tmpVal = uMu[io].rPls;
uMu[io].rPls = uMu[io].rMin;
uMu[io].rMin = tmpVal;
}
}
tmpEnergy = AbstainableLearner::getEnergy(uMu, tmpAlpha, tmpU);
if (_verbose > 2)
cout << " --> energy U = " << tmpEnergy << "\talpha = " << tmpAlpha << endl << flush;
if (tmpEnergy >= previousEnergy) {
tmpU = previousTmpU;
break;
}
if ( previousEnergy < bestEnergy && previousTmpAlpha > 0 ) {
_alpha = previousTmpAlpha;
_v = tmpV;
_u = tmpU;
_selectedColumn = j;
bestEnergy = previousEnergy;
}
}
_id = _pTrainingData->getAttributeNameMap().getNameFromIdx(_selectedColumn);
return bestEnergy;
}
void Primitive::_initVb(Type::E typ, bool bFlat, bool bFlip) {
int indexI = bFlip ? 1 : 0;
if(!(_hlVb = s_wVb[typ][indexI].lock())) {
boom::Vec3V tmpPos;
boom::IndexV tmpIndex;
boom::Vec2V tmpUv;
spn::Pose3D pose;
pose.setRot(spn::Quat::RotationZ(spn::DegF(1.f)));
if(typ != Type::Cube) {
pose.setScale({1,1,2});
pose.setOffset({0, 0, -1});
}
switch(typ) {
case Type::Cone:
boom::geo3d::Geometry::MakeCone(tmpPos, tmpIndex, 16);
break;
case Type::Cube:
boom::geo3d::Geometry::MakeCube(tmpPos, tmpIndex);
break;
case Type::Sphere:
boom::geo3d::Geometry::MakeSphere(tmpPos, tmpIndex, 32, 16);
break;
case Type::Torus:
boom::geo3d::Geometry::MakeTorus(tmpPos, tmpIndex, 0.5f, 64, 32);
break;
case Type::Capsule:
boom::geo3d::Geometry::MakeCapsule(tmpPos, tmpIndex, 1, 8);
break;
default:
AssertF(Trap, "invalid type")
};
if(bFlip)
boom::FlipFace(tmpIndex.begin(), tmpIndex.end(), tmpIndex.begin(), 0);
if(typ == Type::Torus)
boom::geo3d::Geometry::UVUnwrapCylinder(tmpUv, pose, tmpPos);
else
boom::geo3d::Geometry::UVUnwrapSphere(tmpUv, 2,2, pose, tmpPos);
boom::Vec3V posv, normalv;
boom::Vec2V uvv;
boom::IndexV indexv;
if(bFlat) {
boom::geo3d::Geometry::MakeVertexNormalFlat(posv, indexv, normalv, uvv,
tmpPos, tmpIndex, tmpUv);
} else {
boom::geo3d::Geometry::MakeVertexNormal(normalv, tmpPos, tmpIndex);
posv = tmpPos;
uvv = tmpUv;
indexv = tmpIndex;
}
if(typ == Type::Cube)
boom::geo3d::Geometry::UVUnwrapCube(uvv, pose, posv, indexv);
boom::Vec4V tanv;
boom::geo3d::Geometry::CalcTangent(tanv, posv, indexv, normalv, uvv);
// 大きさ1の立方体を定義しておいて後で必要に応じてスケーリングする
const int nV = posv.size();
std::vector<vertex::prim_tan> tmpV(nV);
for(int i=0 ; i<nV ; i++) {
auto& v = tmpV[i];
v.pos = posv[i];
v.tex = uvv[i];
v.normal = normalv[i];
v.tangent_c = tanv[i];
}
_hlVb = mgr_gl.makeVBuffer(GL_STATIC_DRAW);
_hlVb.ref()->initData(std::move(tmpV));
s_wVb[typ][indexI] = _hlVb.weak();
_hlIb = mgr_gl.makeIBuffer(GL_STATIC_DRAW);
_hlIb.ref()->initData(std::move(indexv));
_hlVbLine = _MakeVbLine(posv, normalv, tanv);
s_wIb[typ][indexI] = _hlIb.weak();
s_wVbLine[typ][indexI] = _hlVbLine.weak();
} else {
AlphaReal MultiThresholdStumpLearner::run() {
const int numClasses = _pTrainingData->getNumClasses();
const int numColumns = _pTrainingData->getNumAttributes();
// set the smoothing value to avoid numerical problem
// when theta=0.
setSmoothingVal(1.0 / (AlphaReal) _pTrainingData->getNumExamples() * 0.01);
vector<sRates> mu(numClasses); // The class-wise rates. See BaseLearner::sRates for more info.
vector<AlphaReal> tmpV(numClasses); // The class-wise votes/abstentions
vector<FeatureReal> tmpThresholds(numClasses);
AlphaReal tmpAlpha;
AlphaReal bestEnergy = numeric_limits<AlphaReal>::max();
AlphaReal tmpEnergy;
StumpAlgorithm<FeatureReal> sAlgo(numClasses);
sAlgo.initSearchLoop(_pTrainingData);
int numOfDimensions = _maxNumOfDimensions;
for (int j = 0; j < numColumns; ++j) {
// Tricky way to select numOfDimensions columns randomly out of numColumns
int rest = numColumns - j;
float r = rand() / static_cast<float> (RAND_MAX);
if (static_cast<float> (numOfDimensions) / rest > r) {
--numOfDimensions;
const pair<vpIterator, vpIterator>
dataBeginEnd =
static_cast<SortedData*> (_pTrainingData)->getFileteredBeginEnd(
j);
const vpIterator dataBegin = dataBeginEnd.first;
const vpIterator dataEnd = dataBeginEnd.second;
sAlgo.findMultiThresholdsWithInit(dataBegin, dataEnd,
_pTrainingData, tmpThresholds, &mu, &tmpV);
tmpEnergy = getEnergy(mu, tmpAlpha, tmpV);
if (tmpEnergy < bestEnergy && tmpAlpha > 0) {
// Store it in the current algorithm
// note: I don't really like having so many temp variables
// but the alternative would be a structure, which would need
// to be inheritable to make things more consistent. But this would
// make it less flexible. Therefore, I am still undecided. This
// might change!
_alpha = tmpAlpha;
_v = tmpV;
_selectedColumn = j;
_thresholds = tmpThresholds;
bestEnergy = tmpEnergy;
}
}
}
return bestEnergy;
}
lab1_4::LamVec* lab1_4::system::getResult()
{
LamVec *str = new LamVec;
std::vector<double> *res = new std::vector<double>(this->size, 0);
std::vector<std::vector<std::vector<double> >*> vecU;
double exz = 1000;
std::vector<std::vector<double> > aNew((*(this->a)));
while (exz > this->eps)
{
std::vector<std::vector<double> > aCopy(aNew);
std::vector<std::vector<double> > *u = new std::vector<std::vector<double> >(this->size, std::vector<double>(size, 0));
for (int i = 0; i < this->size; ++i)
(*(u))[i][i] = 1;
double max = aCopy[0][1];
int iMax = 0;
int jMax = 1;
for (int i = 0; i < this->size; ++i)
{
for (int j = 0; j < this->size; ++j)
{
if (i == j)
continue;
if (max < fabs(aCopy[i][j]))
{
max = fabs(aCopy[i][j]);
iMax = i;
jMax = j;
}
}
}
(*(u))[iMax][jMax] = -sin(0.5 * atan(2 * aCopy[iMax][jMax] / (aCopy[iMax][iMax] - aCopy[jMax][jMax])));
(*(u))[jMax][iMax] = sin(0.5 * atan(2 * aCopy[iMax][jMax] / (aCopy[iMax][iMax] - aCopy[jMax][jMax])));
(*(u))[iMax][iMax] = cos(0.5 * atan(2 * aCopy[iMax][jMax] / (aCopy[iMax][iMax] - aCopy[jMax][jMax])));
(*(u))[jMax][jMax] = cos(0.5 * atan(2 * aCopy[iMax][jMax] / (aCopy[iMax][iMax] - aCopy[jMax][jMax])));
/*for (int i = 0; i < this->size; ++i)
{
for (int j = 0; j < this->size; ++j)
{
std::cout << (*(u))[i][j] << " ";
}
std::cout << "\n";
}
std::cout << iMax << " " << jMax << "\n";*/
std::vector<std::vector<double> > tmpA(aCopy);
for (int i = 0; i < this->size; ++i)
{
for (int j = 0; j < this->size; ++j)
{
double tmp = 0;
for (int z = 0; z < this->size; ++z)
{
tmp += (*(u))[z][i] * aCopy[z][j];
}
tmpA[i][j] = tmp;
}
}
for (int i = 0; i < this->size; ++i)
{
for (int j = 0; j < this->size; ++j)
{
double tmp = 0;
for (int z = 0; z < this->size; ++z)
{
tmp += tmpA[i][z] * (*(u))[z][j];
}
aNew[i][j] = tmp;
}
}
exz = 0;
for (int i = 0; i < this->size; ++i)
{
for (int j = 0; j < i; ++j)
{
exz += pow(aNew[i][j], 2);
}
}
exz = pow(exz, 0.5);
std::cout << exz << " -exz\n";
/*for (int i = 0; i < this->size; ++i)
{
for (int j = 0; j < this->size; ++j)
{
std::cout << aNew[i][j] << " ";
}
std::cout << "\n";
}
std::cout << "\n";
std::cout << "=============\n";
std::cout << "\n";
_sleep(1000);*/
vecU.push_back(u);
}
str->vec = new std::vector<std::vector<double> >((*(vecU[0])));
for (int k = 1; k < vecU.size(); ++k)
{
std::vector<std::vector<double> > tmpV((*(str->vec)));
for (int i = 0; i < this->size; ++i)
{
for (int j = 0; j < this->size; ++j)
{
double tmp = 0;
for (int z = 0; z < this->size; ++z)
{
tmp += tmpV[i][z] * (*(vecU[k]))[z][j];
}
(*(str->vec))[i][j] = tmp;
}
}
}
for (int i = 0; i < vecU.size(); ++i)
{
delete vecU[i];
}
for (int i = 0; i < this->size; ++i)
{
(*(res))[i] = aNew[i][i];
}
str->lambda = res;
return str;
}