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Minor updates, code cleanup.

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This commit is contained in:
Emil Martinec
2012-03-08 14:52:57 -06:00
parent 0f21937c02
commit 380728e1f0
4 changed files with 74 additions and 98 deletions
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101
rtengine/cplx_wavelet_level.h
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@@ -80,7 +80,7 @@ namespace rtengine {
float *filterLo, float *filterHi, int taps, int offset, int pitch, int dstlen);
void AnalysisFilterSubsampHaar (T * srcbuffer, T * dstLo, T * dstHi, int pitch, int srclen);
void SynthesisFilterSubsampHaar (T * srcLo, T * srcHi, T * dst, T *bufferLo, T *bufferHi, int pitch, int dstlen);
void SynthesisFilterSubsampHaar (T * srcLo, T * srcHi, T * dst, int pitch, int dstlen);
void imp_nr (T* src, int width, int height, double thresh);
@@ -337,71 +337,7 @@ namespace rtengine {
dst[pitch*(i-m_pad)] = (bufferLo[i] + bufferHi[i]);
}
}
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
/*
template<typename T>
void wavelet_level<T>::AnalysisFilterLeGall (T * srcbuffer, T * dstLo, T * dstHi, int pitch, int srclen) {
// Basic convolution code
// Applies a LeGall (CDF 5/3) filter
for(size_t i = skip; i < (srclen - 3*skip); i++) {
dstLo[(pitch*(i))] = 0.25*(srcbuffer[i-skip] + 2*srcbuffer[i] + srcbuffer[i+skip]);
dstHi[(pitch*(i))] = -0.125*(srcbuffer[i-skip] + srcbuffer[i+3*skip]) - 0.25*(srcbuffer[i] + srcbuffer[i+2*skip]) + 0.75*srcbuffer[i+skip];
}
for(size_t i = 0; i < skip; i++) {
dstLo[(pitch*(i))] = 0.25*(srcbuffer[MAX(0,i-skip)] + 2*srcbuffer[i] + srcbuffer[i+skip]);
dstHi[(pitch*(i))] = (-0.125*(srcbuffer[MAX(0,i-skip)] + srcbuffer[i+3*skip]) - \
0.25*(srcbuffer[i] + srcbuffer[i+2*skip]) + 0.75*srcbuffer[i+skip]);
}
for(size_t i = (srclen-3*skip); i < (srclen); i++) {
dstLo[(pitch*(i))] = 0.25*(srcbuffer[i-skip] + 2*srcbuffer[i] + srcbuffer[MIN(srclen-1,i+skip)]);
dstHi[(pitch*(i))] = (-0.125*(srcbuffer[i-skip] + srcbuffer[MIN(srclen-1,i+3*skip)]) - \
0.25*(srcbuffer[i] + srcbuffer[MIN(srclen-1,i+2*skip)]) + 0.75*srcbuffer[MIN(srclen-1,i+skip)]);
}
}
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
template<typename T>
void wavelet_level<T>::SynthesisFilterLeGall (T * srcLo, T * srcHi, T * dst, T *bufferLo, T *bufferHi, int pitch, int dstlen) {
// Basic convolution code
//Applies a LeGall (CDF 5/3) filter
int srclen = (dstlen==m_w ? m_w2 : m_h2);//length of row/col in src (coarser level)
for (size_t i=0, j=0; i<srclen; i++, j+=pitch) {
bufferLo[i]=srcLo[j];
bufferHi[i]=srcHi[j];
}
for(size_t i = m_pad+2*skip; i < (dstlen+m_pad-2*skip); i++) {
dst[pitch*(i-m_pad)] = (-0.125*(bufferLo[i-2*skip] + bufferLo[i+2*skip]) + 0.25*(bufferLo[i-skip] - bufferLo[i+skip]) + 0.75*bufferLo[skip] + \
-0.25*(bufferHi[i] + bufferHi[i+2*skip]) + 0.5*bufferHi[skip]);
}
for(size_t i = m_pad; i < (m_pad+2*skip); i++) {
dst[pitch*(i-m_pad)] = (-0.125*(bufferLo[MAX(0,i-2*skip)] + bufferLo[i+2*skip]) + 0.25*(bufferLo[MAX(0,i-skip)] - bufferLo[i+skip]) + 0.75*bufferLo[skip] + \
-0.25*(bufferHi[i] + bufferHi[i+2*skip]) + 0.5*bufferHi[i+skip]);
}
for(size_t i = (dstlen+m_pad-2*skip); i < dstlen; i++) {
dst[pitch*(i-m_pad)] = (-0.125*(bufferLo[i-2*skip] + bufferLo[MIN(dstlen-1,i+2*skip)]) + 0.25*(bufferLo[i-skip] - bufferLo[MIN(dstlen-1,i+skip)]) + 0.75*bufferLo[skip] + \
-0.25*(bufferHi[i] + bufferHi[MIN(dstlen-1,i+2*skip)]) + 0.5*bufferHi[MIN(dstlen-1,i+skip)]);
}
}
*/
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -522,23 +458,26 @@ namespace rtengine {
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
template<typename T>
void wavelet_level<T>::SynthesisFilterSubsampHaar (T * srcLo, T * srcHi, T * dst, T *bufferLo, T *bufferHi, int pitch, int dstlen) {
void wavelet_level<T>::SynthesisFilterSubsampHaar (T * srcLo, T * srcHi, T * dst, int pitch, int dstlen) {
/* Basic convolution code
* Applies a Haar filter
* Output was subsampled by two
* Input was subsampled by two
*/
// calculate coefficients
for(size_t i = m_pad; i < (dstlen+m_pad-skip); i+=2) {
dst[pitch*(i-m_pad)] = bufferLo[i/2]+bufferHi[i/2];
dst[pitch*(i+1-m_pad)] = bufferLo[i/2]-bufferHi[i/2];
//TODO: this code is buggy...
for(size_t i = m_pad; i < (dstlen+m_pad-skip); i+=2*skip) {
dst[pitch*(i-m_pad)] = srcLo[i/2]+srcHi[i/2];
dst[pitch*(i+skip-m_pad)] = srcLo[i/2]-srcHi[i/2];
}
if ((dstlen+m_pad)&1) {
dst[pitch*(dstlen-1)] = bufferLo[(dstlen+m_pad-1)/2]+bufferHi[(dstlen+m_pad-1)/2];
if ((dstlen+m_pad-skip)<dstlen-1) {
for (size_t i=(dstlen+m_pad-skip); i<dstlen+m_pad-1; i++) {
dst[pitch*(dstlen-m_pad)] = srcLo[i/2]+srcHi[i/2];
}
}
}
@@ -563,7 +502,8 @@ namespace rtengine {
for (int j=0; j<m_w; j++) {
loadbuffer(src+j, buffer, m_w/*pitch*/, m_h/*srclen*/);//pad a column of data and load it to buffer
if (subsamp_out) {
AnalysisFilterSubsamp (buffer, tmpLo+j, tmpHi+j, filterV, filterV+taps, taps, offset, m_w/*output_pitch*/, m_h/*srclen*/);
//AnalysisFilterSubsamp (buffer, tmpLo+j, tmpHi+j, filterV, filterV+taps, taps, offset, m_w/*output_pitch*/, m_h/*srclen*/);
AnalysisFilterSubsampHaar (buffer, tmpLo+j, tmpHi+j, m_w, m_h);
} else {
//AnalysisFilter (buffer, tmpLo+j, tmpHi+j, filterV, filterV+taps, taps, offset, m_w/*output_pitch*/, m_h/*srclen*/);
AnalysisFilterHaar (buffer, tmpLo+j, tmpHi+j, m_w, m_h);
@@ -574,14 +514,16 @@ namespace rtengine {
for (int i=0; i<m_h2; i++) {
loadbuffer(tmpLo+i*m_w, buffer, 1/*pitch*/, m_w/*srclen*/);//pad a row of data and load it to buffer
if (subsamp_out) {
AnalysisFilterSubsamp (buffer, wavcoeffs[0]+i*m_w2, wavcoeffs[1]+i*m_w2, filterH, filterH+taps, taps, offset, 1/*output_pitch*/, m_w/*srclen*/);
//AnalysisFilterSubsamp (buffer, wavcoeffs[0]+i*m_w2, wavcoeffs[1]+i*m_w2, filterH, filterH+taps, taps, offset, 1/*output_pitch*/, m_w/*srclen*/);
AnalysisFilterSubsampHaar (buffer, wavcoeffs[0]+i*m_w2, wavcoeffs[1]+i*m_w2, 1, m_w);
} else {
//AnalysisFilter (buffer, wavcoeffs[0]+i*m_w2, wavcoeffs[1]+i*m_w2, filterH, filterH+taps, taps, offset, 1/*output_pitch*/, m_w/*srclen*/);
AnalysisFilterHaar (buffer, wavcoeffs[0]+i*m_w2, wavcoeffs[1]+i*m_w2, 1, m_w);
}
loadbuffer(tmpHi+i*m_w, buffer, 1/*pitch*/, m_w/*srclen*/);
if (subsamp_out) {
AnalysisFilterSubsamp (buffer, wavcoeffs[2]+i*m_w2, wavcoeffs[3]+i*m_w2, filterH, filterH+taps, taps, offset, 1/*output_pitch*/, m_w/*srclen*/);
//AnalysisFilterSubsamp (buffer, wavcoeffs[2]+i*m_w2, wavcoeffs[3]+i*m_w2, filterH, filterH+taps, taps, offset, 1/*output_pitch*/, m_w/*srclen*/);
AnalysisFilterSubsampHaar (buffer, wavcoeffs[2]+i*m_w2, wavcoeffs[3]+i*m_w2, 1, m_w);
} else {
//AnalysisFilter (buffer, wavcoeffs[2]+i*m_w2, wavcoeffs[3]+i*m_w2, filterH, filterH+taps, taps, offset, 1/*output_pitch*/, m_w/*srclen*/);
AnalysisFilterHaar (buffer, wavcoeffs[2]+i*m_w2, wavcoeffs[3]+i*m_w2, 1, m_w);
@@ -612,10 +554,12 @@ namespace rtengine {
for (int i=0; i<m_h2; i++) {
if (subsamp_out) {
SynthesisFilterSubsamp (wavcoeffs[0]+i*m_w2, wavcoeffs[1]+i*m_w2, tmpLo+i*m_w, bufferLo, bufferHi,
SynthesisFilterSubsamp (wavcoeffs[0]+i*m_w2, wavcoeffs[1]+i*m_w2, tmpLo+i*m_w, bufferLo, bufferHi, \
filterH, filterH+taps, taps, offset, 1/*pitch*/, m_w/*dstlen*/);
SynthesisFilterSubsamp (wavcoeffs[2]+i*m_w2, wavcoeffs[3]+i*m_w2, tmpHi+i*m_w, bufferLo, bufferHi,
SynthesisFilterSubsamp (wavcoeffs[2]+i*m_w2, wavcoeffs[3]+i*m_w2, tmpHi+i*m_w, bufferLo, bufferHi, \
filterH, filterH+taps, taps, offset, 1/*pitch*/, m_w/*dstlen*/);
//SynthesisFilterSubsampHaar (wavcoeffs[0]+i*m_w2, wavcoeffs[1]+i*m_w2, tmpLo+i*m_w, 1, m_w);
//SynthesisFilterSubsampHaar (wavcoeffs[2]+i*m_w2, wavcoeffs[3]+i*m_w2, tmpHi+i*m_w, 1, m_w);
} else {
//SynthesisFilter (wavcoeffs[0]+i*m_w2, wavcoeffs[1]+i*m_w2, tmpLo+i*m_w, bufferLo, bufferHi, \
filterH, filterH+taps, taps, offset, 1/*pitch*/, m_w/*dstlen*/);
@@ -629,8 +573,9 @@ namespace rtengine {
/* filter along columns */
for (int j=0; j<m_w; j++) {
if (subsamp_out) {
SynthesisFilterSubsamp (tmpLo+j, tmpHi+j, dst+j, bufferLo, bufferHi,
SynthesisFilterSubsamp (tmpLo+j, tmpHi+j, dst+j, bufferLo, bufferHi, \
filterV, filterV+taps, taps, offset, m_w/*pitch*/, m_h/*dstlen*/);
//SynthesisFilterSubsampHaar (tmpLo+j, tmpHi+j, dst+j, m_w, m_h);
} else {
//SynthesisFilter (tmpLo+j, tmpHi+j, dst+j, bufferLo, bufferHi, \
filterV, filterV+taps, taps, offset, m_w/*pitch*/, m_h/*dstlen*/);