void Descriptor::hFlip(bool duplicate)
{
Matrixf *pm = m_vHistPtr[0];
if( duplicate ){
pm = new Matrixf( *m_vHistPtr[0] );
pm->clone();
m_vHistPtr.push_back(pm);
}
for( size_t z = 0; z < size_z(); ++z){
for( size_t a = 0; a < size_a()/2; ++a){
pm->swaprows(a * size_z() + z, ( size_a() - a -1 )* size_z() + z);
}
}
}
void Descriptor::rotate( size_t i)
{
// we will rotate and duplicate the i-th histogram. i generally is 0 ~ 2;
Matrixf* pm = new Matrixf(*m_vHistPtr[i] );
pm->clone();
pm->rshrows( size_z() );
m_vHistPtr.push_back( pm ); //k = 1
for( size_t k = 2; k < size_a(); ++k ){
Matrixf* pm = new Matrixf( *m_vHistPtr.back() );
pm->clone();
pm->rshrows( size_z() );
m_vHistPtr.push_back( pm );
}
}
bool logical_world::is_zedge(int z) const
{
if(z >= 0 && z < size_z()) {
return false;
}
return true;
}