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Minor improvements; fixes problem that impulse denoise removed fine detail unless Ldetail=100.

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This commit is contained in:
Emil Martinec
2012-04-02 21:55:42 -05:00
parent 982f95f747
commit b9b6d7aed9
3 changed files with 17 additions and 13 deletions
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8
rtengine/FTblockDN.cc
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@@ -237,7 +237,9 @@ namespace rtengine {
}
//initial impulse denoise
impulse_nr (labdn, 50.0f/20.0f);
if (dnparams.luma>0.01) {
impulse_nr (labdn, MIN(50.0f,dnparams.luma)/20.0f);
}
int datalen = labdn->W * labdn->H;
@@ -263,7 +265,9 @@ namespace rtengine {
//TODO: at this point wavelet coefficients storage can be freed
//second impulse denoise
impulse_nr (labdn, 50.0f/20.0f);
if (dnparams.luma>0.01) {
impulse_nr (labdn, MIN(50.0f,dnparams.luma)/20.0f);
}
//PF_correct_RT(dst, dst, defringe.radius, defringe.threshold);
//wavelet denoised L channel

8
rtengine/cplx_wavelet_dec.h
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@@ -379,15 +379,15 @@ public:
//initialize wavelet filters
wavfilt_len = Haar_len;
wavfilt_offset = Haar_offset;
wavfilt_len = Daub4_len;
wavfilt_offset = Daub4_offset;
wavfilt_anal = new float[2*wavfilt_len];
wavfilt_synth = new float[2*wavfilt_len];
for (int n=0; n<2; n++) {
for (int i=0; i<wavfilt_len; i++) {
wavfilt_anal[wavfilt_len*(n)+i] = Haar_anal[n][i];
wavfilt_synth[wavfilt_len*(n)+i] = Haar_anal[n][wavfilt_len-1-i];
wavfilt_anal[wavfilt_len*(n)+i] = Daub4_anal[n][i];
wavfilt_synth[wavfilt_len*(n)+i] = Daub4_anal[n][wavfilt_len-1-i];
//n=0 lopass, n=1 hipass
}
}

14
rtengine/cplx_wavelet_level.h
View File

@@ -509,8 +509,8 @@ 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*/);
AnalysisFilterSubsampHaar (buffer, tmpLo+j, tmpHi+j, m_w, m_h);
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);
@@ -522,16 +522,16 @@ 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*/);
AnalysisFilterSubsampHaar (buffer, wavcoeffs[0]+i*m_w2, wavcoeffs[1]+i*m_w2, 1, m_w);
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*/);
AnalysisFilterSubsampHaar (buffer, wavcoeffs[2]+i*m_w2, wavcoeffs[3]+i*m_w2, 1, m_w);
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);
@@ -565,7 +565,7 @@ namespace rtengine {
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, \
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[0]+i*m_w2, wavcoeffs[1]+i*m_w2, tmpLo+i*m_w, 1, m_w);//TODO: this is buggy
//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, \