Solving issue 1583: "Some tools always collapsed after restart"
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natureh 510
454
rtengine/cplx_wavelet_dec.h
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454
rtengine/cplx_wavelet_dec.h
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/*
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* This file is part of RawTherapee.
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*
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* 2010 Ilya Popov <ilia_popov@rambler.ru>
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* 2012 Emil Martinec <ejmartin@uchicago.edu>
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*/
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#ifndef CPLX_WAVELET_DEC_H_INCLUDED
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#define CPLX_WAVELET_DEC_H_INCLUDED
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#include <cstddef>
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#include <math.h>
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#include "cplx_wavelet_level.h"
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#include "cplx_wavelet_filter_coeffs.h"
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namespace rtengine {
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%
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template <typename A>
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void copy_out(A * a, A * b, size_t datalen)
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{// for standard wavelet decomposition
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memcpy(b, a, datalen*sizeof(A));
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}
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template <typename A, typename B>
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void copy_out(A ** a, B * b, size_t datalen)
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{// for complex wavelet decomposition
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for (size_t j=0; j<datalen; j++) {
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b[j] = static_cast<B> (0.25*(a[0][j]+a[1][j]+a[2][j]+a[3][j]));
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}
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}
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template <typename A, typename B>
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void copy_out(A * a, B * b, size_t datalen)
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{// for standard wavelet decomposition
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for (size_t j=0; j<datalen; j++) {
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b[j] = static_cast<B> (a[j]);
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}
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}
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%
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class cplx_wavelet_decomposition
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{
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public:
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typedef float internal_type;
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private:
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static const int maxlevels = 8;//should be greater than any conceivable order of decimation
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int lvltot, subsamp;
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size_t m_w, m_h;//dimensions
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int first_lev_len, first_lev_offset;
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float *first_lev_anal;
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float *first_lev_synth;
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int wavfilt_len, wavfilt_offset;
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float *wavfilt_anal;
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float *wavfilt_synth;
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int testfilt_len, testfilt_offset;
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float *testfilt_anal;
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float *testfilt_synth;
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wavelet_level<internal_type> * dual_tree[maxlevels][4];
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public:
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template<typename E>
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cplx_wavelet_decomposition(E * src, int width, int height, int maxlvl, int subsampling);
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~cplx_wavelet_decomposition();
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internal_type ** level_coeffs(int level, int branch) const
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{
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return dual_tree[level][branch]->subbands();
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}
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int level_W(int level, int branch) const
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{
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return dual_tree[level][branch]->width();
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}
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int level_H(int level, int branch) const
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{
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return dual_tree[level][branch]->height();
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}
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int level_pad(int level, int branch) const
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{
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return dual_tree[level][branch]->padding();
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}
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int maxlevel() const
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{
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return lvltot;
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}
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template<typename E>
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void reconstruct(E * dst);
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};
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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template<typename E>
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cplx_wavelet_decomposition::cplx_wavelet_decomposition(E * src, int width, int height, int maxlvl, int subsampling)
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: lvltot(0), subsamp(subsampling), m_w(width), m_h(height)
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{
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//initialize wavelet filters
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first_lev_len = FSFarras_len;
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first_lev_offset = FSFarras_offset;
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first_lev_anal = new float[4*first_lev_len];
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first_lev_synth = new float[4*first_lev_len];
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for (int n=0; n<2; n++) {
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for (int m=0; m<2; m++) {
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for (int i=0; i<first_lev_len; i++) {
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first_lev_anal[first_lev_len*(2*n+m)+i] = FSFarras_anal[n][m][i]/sqrt(2);
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first_lev_synth[first_lev_len*(2*n+m)+i] = FSFarras_anal[n][m][first_lev_len-1-i]/sqrt(2);
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}
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}
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}
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/*first_lev_len = AntonB_len;
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first_lev_offset = AntonB_offset;
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first_lev_anal = new float[4*first_lev_len];
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first_lev_synth = new float[4*first_lev_len];
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for (int n=0; n<2; n++) {
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for (int m=0; m<2; m++) {
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for (int i=0; i<first_lev_len; i++) {
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first_lev_anal[first_lev_len*(2*n+m)+i] = AntonB_anal[n][m][i];
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first_lev_synth[first_lev_len*(2*n+m)+i] = 2*AntonB_synth[n][m][i];
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}
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}
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}*/
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wavfilt_len = Kingsbury_len;
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wavfilt_offset = Kingsbury_offset;
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wavfilt_anal = new float[4*wavfilt_len];
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wavfilt_synth = new float[4*wavfilt_len];
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for (int n=0; n<2; n++) {
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for (int m=0; m<2; m++) {
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for (int i=0; i<wavfilt_len; i++) {
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wavfilt_anal[wavfilt_len*(2*n+m)+i] = Kingsbury_anal[n][m][i]/sqrt(2);
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wavfilt_synth[wavfilt_len*(2*n+m)+i] = Kingsbury_anal[n][m][first_lev_len-1-i]/sqrt(2);
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}
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}
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}
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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// after coefficient rotation, data structure is:
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// dual_tree[scale][2*n+m=2*(Re/Im)+dir][channel={lo,hi1,hi2,hi3}][pixel_array]
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//srand((unsigned)time(0));
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//for (int i=0; i<m_w*m_h; i++ )
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// src[i] = (float)rand()/(float)RAND_MAX;
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for (int n=0; n<2; n++) {
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for (int m=0; m<2; m++) {
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lvltot=0;
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float padding = 0;//1<<(maxlvl-1);
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dual_tree[0][2*n+m] = new wavelet_level<internal_type>(src, lvltot, subsamp, padding, m_w, m_h, first_lev_anal+first_lev_len*2*n, \
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first_lev_anal+first_lev_len*2*m, first_lev_len, first_lev_offset);
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while(lvltot < maxlvl) {
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lvltot++;
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dual_tree[lvltot][2*n+m] = new wavelet_level<internal_type>(dual_tree[lvltot-1][2*n+m]->lopass()/*lopass*/, lvltot, subsamp, 0/*no padding*/, \
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dual_tree[lvltot-1][2*n+m]->width(), \
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dual_tree[lvltot-1][2*n+m]->height(), \
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wavfilt_anal+wavfilt_len*2*n, wavfilt_anal+wavfilt_len*2*m, \
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wavfilt_len, wavfilt_offset);
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}
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}
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}
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//rotate detail coefficients
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float coeffave[5][4][3];
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float root2 = sqrt(2);
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for (int lvl=0; lvl<lvltot; lvl++) {
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int Wlvl = dual_tree[lvl][0]->width();
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int Hlvl = dual_tree[lvl][0]->height();
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for (int n=0; n<4; n++)
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for (int m=1; m<4; m++)
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coeffave[lvl][n][m-1]=0;
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for (int m=1; m<4; m++) {//detail coefficients only
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for (int i=0; i<Wlvl*Hlvl; i++) {//pixel
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float wavtmp = (dual_tree[lvl][0]->wavcoeffs[m][i] + dual_tree[lvl][3]->wavcoeffs[m][i])/root2;
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dual_tree[lvl][3]->wavcoeffs[m][i] = (dual_tree[lvl][0]->wavcoeffs[m][i] - dual_tree[lvl][3]->wavcoeffs[m][i])/root2;
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dual_tree[lvl][0]->wavcoeffs[m][i] = wavtmp;
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wavtmp = (dual_tree[lvl][1]->wavcoeffs[m][i] + dual_tree[lvl][2]->wavcoeffs[m][i])/root2;
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dual_tree[lvl][2]->wavcoeffs[m][i] = (dual_tree[lvl][1]->wavcoeffs[m][i] - dual_tree[lvl][2]->wavcoeffs[m][i])/root2;
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dual_tree[lvl][1]->wavcoeffs[m][i] = wavtmp;
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for (int n=0; n<4; n++) coeffave[lvl][n][m-1] += fabs(dual_tree[lvl][n]->wavcoeffs[m][i]);
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}
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}
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for (int n=0; n<4; n++)
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for (int i=0; i<3; i++)
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coeffave[lvl][n][i] /= Wlvl*Hlvl;
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}
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}
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/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
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template<typename E>
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void cplx_wavelet_decomposition::reconstruct(E * dst) {
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// data structure is wavcoeffs[scale][2*n+m=2*(Re/Im)+dir][channel={lo,hi1,hi2,hi3}][pixel_array]
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//rotate detail coefficients
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float root2 = sqrt(2);
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for (int lvl=0; lvl<lvltot; lvl++) {
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int Wlvl = dual_tree[lvl][0]->width();
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int Hlvl = dual_tree[lvl][0]->height();
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for (int i=0; i<Wlvl*Hlvl; i++) {//pixel
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for (int m=1; m<4; m++) {//detail coefficients only
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float wavtmp = (dual_tree[lvl][0]->wavcoeffs[m][i] + dual_tree[lvl][3]->wavcoeffs[m][i])/root2;
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dual_tree[lvl][3]->wavcoeffs[m][i] = (dual_tree[lvl][0]->wavcoeffs[m][i] - dual_tree[lvl][3]->wavcoeffs[m][i])/root2;
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dual_tree[lvl][0]->wavcoeffs[m][i] = wavtmp;
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wavtmp = (dual_tree[lvl][1]->wavcoeffs[m][i] + dual_tree[lvl][2]->wavcoeffs[m][i])/root2;
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dual_tree[lvl][2]->wavcoeffs[m][i] = (dual_tree[lvl][1]->wavcoeffs[m][i] - dual_tree[lvl][2]->wavcoeffs[m][i])/root2;
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dual_tree[lvl][1]->wavcoeffs[m][i] = wavtmp;
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}
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}
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}
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internal_type ** tmp = new internal_type *[4];
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for (int i=0; i<4; i++) {
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tmp[i] = new internal_type[m_w*m_h];
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}
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for (int n=0; n<2; n++) {
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for (int m=0; m<2; m++) {
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int skip=1<<(lvltot-1);
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for (int lvl=lvltot-1; lvl>0; lvl--) {
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dual_tree[lvl][2*n+m]->reconstruct_level(dual_tree[lvl-1][2*n+m]->wavcoeffs[0], wavfilt_synth+wavfilt_len*2*n, \
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wavfilt_synth+wavfilt_len*2*m, wavfilt_len, wavfilt_offset);
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skip /=2;
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}
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dual_tree[0][2*n+m]->reconstruct_level(tmp[2*n+m], first_lev_synth+first_lev_len*2*n,
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first_lev_synth+first_lev_len*2*m, first_lev_len, first_lev_offset);
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}
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}
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copy_out(tmp,dst,m_w*m_h);
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for (int i=0; i<4; i++) {
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delete[] tmp[i];
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}
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delete[] tmp;
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}
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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class wavelet_decomposition
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{
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public:
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typedef float internal_type;
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private:
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static const int maxlevels = 8;//should be greater than any conceivable order of decimation
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int lvltot, subsamp;
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size_t m_w, m_h;//dimensions
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int wavfilt_len, wavfilt_offset;
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float *wavfilt_anal;
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float *wavfilt_synth;
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int testfilt_len, testfilt_offset;
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float *testfilt_anal;
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float *testfilt_synth;
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wavelet_level<internal_type> * wavelet_decomp[maxlevels];
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public:
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template<typename E>
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wavelet_decomposition(E * src, int width, int height, int maxlvl, int subsampling);
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~wavelet_decomposition();
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internal_type ** level_coeffs(int level) const
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{
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return wavelet_decomp[level]->subbands();
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}
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int level_W(int level) const
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{
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return wavelet_decomp[level]->width();
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}
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int level_H(int level) const
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{
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return wavelet_decomp[level]->height();
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}
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int level_pad(int level) const
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{
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return wavelet_decomp[level]->padding();
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}
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int level_stride(int level) const
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{
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return wavelet_decomp[level]->stride();
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}
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int maxlevel() const
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{
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return lvltot;
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}
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int subsample() const
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{
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return subsamp;
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}
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template<typename E>
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void reconstruct(E * dst);
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};
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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template<typename E>
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wavelet_decomposition::wavelet_decomposition(E * src, int width, int height, int maxlvl, int subsampling)
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: lvltot(0), subsamp(subsampling), m_w(width), m_h(height)
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{
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//initialize wavelet filters
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wavfilt_len = Daub4_len;
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wavfilt_offset = Daub4_offset;
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wavfilt_anal = new float[2*wavfilt_len];
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wavfilt_synth = new float[2*wavfilt_len];
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for (int n=0; n<2; n++) {
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for (int i=0; i<wavfilt_len; i++) {
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wavfilt_anal[wavfilt_len*(n)+i] = Daub4_anal[n][i];
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wavfilt_synth[wavfilt_len*(n)+i] = Daub4_anal[n][wavfilt_len-1-i];
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//n=0 lopass, n=1 hipass
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}
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}
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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// after coefficient rotation, data structure is:
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// wavelet_decomp[scale][channel={lo,hi1,hi2,hi3}][pixel_array]
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//srand((unsigned)time(0));
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//for (int i=0; i<m_w*m_h; i++ )
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// src[i] = (float)rand()/(float)RAND_MAX;
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int padding = 0;//pow(2, maxlvl);//must be a multiple of two
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lvltot=0;
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wavelet_decomp[lvltot] = new wavelet_level<internal_type>(src, lvltot/*level*/, subsamp, padding/*padding*/, m_w, m_h, \
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wavfilt_anal, wavfilt_anal, wavfilt_len, wavfilt_offset);
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while(lvltot < maxlvl) {
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lvltot++;
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wavelet_decomp[lvltot] = new wavelet_level<internal_type>(wavelet_decomp[lvltot-1]->lopass()/*lopass*/, lvltot/*level*/, subsamp, 0/*no padding*/, \
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wavelet_decomp[lvltot-1]->width(), wavelet_decomp[lvltot-1]->height(), \
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wavfilt_anal, wavfilt_anal, wavfilt_len, wavfilt_offset);
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}
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}
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/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
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/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
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template<typename E>
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void wavelet_decomposition::reconstruct(E * dst) {
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||||
// data structure is wavcoeffs[scale][channel={lo,hi1,hi2,hi3}][pixel_array]
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//int skip=1<<(lvltot-1);
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for (int lvl=lvltot-1; lvl>0; lvl--) {
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wavelet_decomp[lvl]->reconstruct_level(wavelet_decomp[lvl-1]->wavcoeffs[0], wavfilt_synth, wavfilt_synth, wavfilt_len, wavfilt_offset);
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//skip /=2;
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}
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internal_type * tmp = new internal_type[m_w*m_h];
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||||
|
||||
wavelet_decomp[0]->reconstruct_level(tmp, wavfilt_synth, wavfilt_synth, wavfilt_len, wavfilt_offset);
|
||||
|
||||
copy_out(tmp,dst,m_w*m_h);
|
||||
|
||||
delete[] tmp;
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
|
||||
|
||||
|
||||
};
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user