child class to compute FFT based real-valued steerable pyramid decomposition/reconstruction Bibtex reference for formulae used here: Formulae used from appendix; main paper is about texture denoising article{ portilla03image, author = {Portilla, J. and Strela, V. and Wainwright, M. and Simoncelli, E.}, title = {Image denoising using scale mixtures of Gaussians in the wavelet domain}, journal = {IEEE Trans. Image Processing}, volume = {12}, number = {11}, pages = {1338–1351} year = {2003}, url = {http://citeseer.ist.psu.edu/article/portilla03image.html} } More...
#include <PyramidReal.h>
Public Member Functions | |
| PyramidReal (ArrayGrid< double > *pGridIn, int myNrScales, int myNrOrientations) | |
| constructor More... | |
| ~PyramidReal () | |
| destructor | |
| bool | Decompose () |
| decomposes the source image in an steerable pyramid | |
| bool | Reconstruct () |
| reconstructs the steerable pyramid back to an image | |
| bool | Diagnose () |
| diagnoses the current steerable pyramid | |
| bool | VisualizeReconstructedBandpass (fouriertools::FFTBand *pFftSubband, std::string bandType, int scaleNr, int orientationNr) |
| writes pFftSubband to a PGM file for diagnostics More... | |
 Public Member Functions inherited from stira::steerable::PyramidMaster< double > | |
| PyramidMaster (ArrayGrid< double > *pGridIn, int myNrScales, int myNrOrientations) | |
| constructor More... | |
| virtual | ~PyramidMaster () |
| destructor More... | |
| fouriertools::FFTBand * | SumFFTBands (std::vector< fouriertools::FFTBand * > fftSubbandSet) |
| calculates the sum over a set of FFTBands creates a new FFTBand that becomes the responsability of the caller to delete More... | |
| ArrayGrid< double > * | GetCopyOfReconstructedGrid () |
| creates a copy of the grid after reconstruction This becomes the responsability of the caller to delete; the local member which contains the reconstructed grid is then deleted by the destructor of this class More... | |
| Pyramid< double > * | GetPyramid () |
| gets a pointer to the actual pyramid data | |
| void | SetPyramid (Pyramid< double > *pPyramid) |
| sets a pointer to new pyramid data if old data exists already, they are deleted first More... | |
Additional Inherited Members | |
| Protected Member Functions inherited from stira::steerable::PyramidMaster< double > | |
| ArrayGrid< double > * | ExtractL0 () |
| extracts the first L0 band | |
| fouriertools::FFTBand * | ExtractB0 (common::NumberMode myMode) |
| extracts a B0 band with given orientation index More... | |
| ArrayGrid< double > * | ExtractL () |
| extracts recursive L band | |
| fouriertools::FFTBand * | ExtractB (common::NumberMode myMode) |
| extracts a B band with given orientation index More... | |
| fouriertools::FFTBand * | ReconstructL0 (std::vector< fouriertools::FFTBand * > vpFFTBandSet) |
| reconstructs the first L0 band Output is still in Fourier domain to save FFT's More... | |
| fouriertools::FFTBand * | ReconstructB0 (ArrayGrid< double > *pGridIn, common::NumberMode myMode) |
| reconstructs a B0 band with given orientation index Output is still in Fourier domain to save FFT's More... | |
| fouriertools::FFTBand * | ReconstructL (ArrayGrid< double > *pGridIn) |
| reconstructs L band Output is still in Fourier domain to save FFT's More... | |
| fouriertools::FFTBand * | ReconstructB (ArrayGrid< double > *pGridIn, common::NumberMode myMode) |
| reconstructs a B0 band with given orientation index Output is still in Fourier domain to save FFT's More... | |
| ArrayGrid< double > * | MergeAndReconstructFFTBands (std::vector< fouriertools::FFTBand * > fftSubbandSet) |
| computes sum, followed by inverse Fourier Transform More... | |
| void | ClearFFTVector (std::vector< fouriertools::FFTBand * > &set) |
| clears an STL vector with FFTBands also deletes elements in the vector More... | |
| void | SetFFTBand (fouriertools::FFTBand *pFFTBand) |
| sets current input FFTBand For computational efficiency, we compute the FFT of the input grid for a scale just once and keep this to extract the different bands from it More... | |
| fouriertools::FFTBand * | GetFFTBand () |
| gets current input FFTBand For computational efficiency, we compute the FFT of the input grid for a scale just once and keep this to extract the different bands from it | |
| void | CleanFFTBand () |
| cleans current input FFTBand Also sets its pointer to 0 | |
| bool | ViewTransferFunction (fouriertools::FFTBand *pTransferFunction, std::string token, int scale, int orientation, int maxNrOfOrientations, bool isForward) |
| Writes a transfer function to PGM for diagnostics. More... | |
| Protected Attributes inherited from stira::steerable::PyramidMaster< double > | |
| Pyramid< double > * | mpPyramid |
| the pyramid bands | |
| ArrayGrid< double > * | mpSourceGrid |
| the source data grid | |
| ArrayGrid< double > * | mpReconstructedGrid |
| the data grid after reconstruction | |
| int | mNrScales |
| nr of scales in the pyramid | |
| int | mNrOrientations |
| nr of orientations (in paper called K) per scale in the pyramid | |
| int | mWidth |
| width of the source image | |
| int | mHeight |
| height of the source image | |
| bool | mIsForwardTransform |
| flag if we are computing the forward transform | |
| ArrayGrid< double > * | mpTmpHighpassGrid |
| tmp member in order to avoid recomputation of this transfer function for each oriented subband | |
| std::complex< double > | mDecompositionFactor |
| modulation factor for oriented bands (-i)^(K-1) during decomposition | |
| std::complex< double > | mReconstructionFactor |
| modulation factor for oriented bands (-i)^(K-1) during reconstruction | |
| fouriertools::FFTBand * | mpFFTBand |
| FFT of the input grid for a scale. | |
| int | mCurrentScale |
| current scale we are at (while decomposing or reconstructing) | |
| int | mCurrentOrientation |
| current orientation within current scale we are at (while decomposing or reconstructing) | |
Detailed Description
child class to compute FFT based real-valued steerable pyramid decomposition/reconstruction Bibtex reference for formulae used here: Formulae used from appendix; main paper is about texture denoising article{ portilla03image, author = {Portilla, J. and Strela, V. and Wainwright, M. and Simoncelli, E.}, title = {Image denoising using scale mixtures of Gaussians in the wavelet domain}, journal = {IEEE Trans. Image Processing}, volume = {12}, number = {11}, pages = {1338–1351} year = {2003}, url = {http://citeseer.ist.psu.edu/article/portilla03image.html} }
Constructor & Destructor Documentation
| stira::steerable::PyramidReal::PyramidReal | ( | ArrayGrid< double > * | pGridIn, |
| int | myNrScales, | ||
| int | myNrOrientations | ||
| ) |
constructor
- Parameters
-
pGridIn source input grid data myNrScales nr of scales in which to decompose the image myNrOrientations nr of orientations in which to decompose the image
Member Function Documentation
| bool stira::steerable::PyramidReal::VisualizeReconstructedBandpass | ( | fouriertools::FFTBand * | pFftSubband, |
| std::string | bandType, | ||
| int | scaleNr, | ||
| int | orientationNr | ||
| ) |
writes pFftSubband to a PGM file for diagnostics
- Parameters
-
pFftSubband band to export for visualization bandType band type, to be used for rescaling and in file name scaleNr number of current scale, to be used for rescaling and in file name orientationNr number of current orientation, to be used for rescaling and in file name
References stira::fouriertools::FFTBand::ApplyInverseTransform(), stira::fouriertools::FFTBand::Clone(), stira::fouriertools::FFTBand::ConvertToRealGrid(), stira::imagetools::ImageIO::GRADIENT_OUT, stira::imagetools::ImageIO::NORMAL_OUT, stira::fouriertools::FFTBand::SwitchQuadrants(), and stira::imagetools::ImageIO::WritePGM().
The documentation for this class was generated from the following files:
- steerable/pyramid/PyramidReal.h
- steerable/pyramid/PyramidReal.cpp
