oclMat ImageRenderer2::renderImage() const
{
float beta = alpha;
const int imageType = CV_MAKETYPE(CV_32F,
this->lightfield.getRawImage().channels());
Mat image(this->lightfield.SPARTIAL_RESOLUTION, imageType);
Vec2f pinholePosition = Vec2f(this->pinholePosition);
Vec2f spartialCorrection = Vec2f(this->lightfield.SPARTIAL_RESOLUTION.width,
this->lightfield.ANGULAR_RESOLUTION.height) * -0.5;
Vec2f angularCorrection = Vec2f(this->lightfield.ANGULAR_RESOLUTION.width,
this->lightfield.ANGULAR_RESOLUTION.height) * -0.5;
Vec2f pixelPosition, angularCoordinates;
int x, y;
for (y = 0; y < this->lightfield.SPARTIAL_RESOLUTION.height; y++)
{
for (x = 0; x < this->lightfield.SPARTIAL_RESOLUTION.width; x++)
{
pixelPosition = Vec2f(x, y) + spartialCorrection;
angularCoordinates = ((pinholePosition - pixelPosition) / beta) +
pixelPosition;
angularCoordinates -= angularCorrection;
image.at<Vec3f>(Point(x, y)) = this->lightfield.getLuminanceI(x, y,
round(angularCoordinates[0]), round(angularCoordinates[1]));
}
}
return oclMat(image);
}
inline oclMat oclMat::operator()( const Rect &roi ) const
{
return oclMat(*this, roi);
}
inline oclMat oclMat::colRange(const Range &r) const
{
return oclMat(*this, Range::all(), r);
}
inline oclMat oclMat::operator()( Range rRange, Range cRange ) const
{
return oclMat(*this, rRange, cRange);
}
inline oclMat oclMat::rowRange(const Range &r) const
{
return oclMat(*this, r, Range::all());
}
inline oclMat oclMat::colRange(int startcol, int endcol) const
{
return oclMat(*this, Range::all(), Range(startcol, endcol));
}
inline oclMat oclMat::rowRange(int startrow, int endrow) const
{
return oclMat(*this, Range(startrow, endrow), Range::all());
}
inline oclMat oclMat::col(int x) const
{
return oclMat(*this, Range::all(), Range(x, x + 1));
}
inline oclMat oclMat::row(int y) const
{
return oclMat(*this, Range(y, y + 1), Range::all());
}
oclMat oclMat::reshape(int /*new_cn*/, int /*new_rows*/) const
{
throw_nogpu();
return oclMat();
}
void copyTo( oclMat &m ) const;
//! copies those oclMatrix elements to "m" that are marked with non-zero mask elements.
//It supports 8UC1 8UC4 32SC1 32SC4 32FC1 32FC4
void copyTo( oclMat &m, const oclMat &mask ) const;
//! converts oclMatrix to another datatype with optional scalng. See cvConvertScale.
//It supports 8UC1 8UC4 32SC1 32SC4 32FC1 32FC4
void convertTo( oclMat &m, int rtype, double alpha = 1, double beta = 0 ) const;
void assignTo( oclMat &m, int type = -1 ) const;
//! sets every oclMatrix element to s
//It supports 8UC1 8UC4 32SC1 32SC4 32FC1 32FC4
oclMat &operator = (const Scalar &s);
//! sets some of the oclMatrix elements to s, according to the mask
//It supports 8UC1 8UC4 32SC1 32SC4 32FC1 32FC4
oclMat &setTo(const Scalar &s, const oclMat &mask = oclMat());
//! creates alternative oclMatrix header for the same data, with different
// number of channels and/or different number of rows. see cvReshape.
oclMat reshape(int cn, int rows = 0) const;
//! allocates new oclMatrix data unless the oclMatrix already has specified size and type.
// previous data is unreferenced if needed.
void create(int rows, int cols, int type);
void create(Size size, int type);
//! decreases reference counter;
// deallocate the data when reference counter reaches 0.
void release();
//! swaps with other smart pointer
void swap(oclMat &mat);
