115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
/* This file is a part of plaYUVer project
|
|
* Copyright (C) 2014-2017 by Luis Lucas (luisfrlucas@gmail.com)
|
|
* Joao Carreira (jfmcarreira@gmail.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
/**
|
|
* \file WeightedPSNR.cpp
|
|
* \brief Weighted PSNR quality module
|
|
*/
|
|
|
|
#include "WeightedPSNR.h"
|
|
#include <cmath>
|
|
|
|
WeightedPSNR::WeightedPSNR()
|
|
{
|
|
/* Module Definition */
|
|
m_iModuleAPI = MODULE_API_2;
|
|
m_iModuleType = FRAME_MEASUREMENT_MODULE;
|
|
m_pchModuleCategory = "Quality";
|
|
m_pchModuleName = "WeightedPSNR";
|
|
m_pchModuleTooltip = "Measure the weighted PSNR between two images";
|
|
m_uiModuleRequirements = MODULE_REQUIRES_OPTIONS;
|
|
m_uiNumberOfFrames = MODULE_REQUIRES_THREE_FRAMES;
|
|
|
|
m_cModuleOptions.addOptions() /**/
|
|
( "Component", m_uiComponent, "Select the component to compute quality [0]" );
|
|
|
|
m_uiComponent = 0;
|
|
}
|
|
|
|
Bool WeightedPSNR::create( std::vector<PlaYUVerFrame*> apcFrameList )
|
|
{
|
|
_BASIC_MODULE_API_2_CHECK_
|
|
|
|
for( UInt i = 0; i < apcFrameList.size(); i++ )
|
|
{
|
|
if( !apcFrameList[i]->haveSameFmt( apcFrameList[0], PlaYUVerFrame::MATCH_RESOLUTION ) )
|
|
return false;
|
|
}
|
|
if( apcFrameList[0]->getNumberChannels() != 1 )
|
|
{
|
|
return false;
|
|
}
|
|
for( UInt i = 1; i < apcFrameList.size(); i++ )
|
|
{
|
|
if( !apcFrameList[i]->haveSameFmt(
|
|
apcFrameList[1], PlaYUVerFrame::MATCH_COLOR_SPACE | PlaYUVerFrame::MATCH_BITS ) )
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
Double measureWMSE( Int component, PlaYUVerFrame* Org, PlaYUVerFrame* Rec, PlaYUVerFrame* Mask )
|
|
{
|
|
Pel* pMaskPelYUV = Mask->getPelBufferYUV()[0][0];
|
|
Pel* pRecPelYUV = Rec->getPelBufferYUV()[component][0];
|
|
Pel* pOrgPelYUV = Org->getPelBufferYUV()[component][0];
|
|
|
|
Double aux_pel_1, aux_pel_2, aux_pel_mask;
|
|
Int diff = 0;
|
|
Double ssd = 0;
|
|
UInt count = 0;
|
|
|
|
UInt numberOfPixels = 0;
|
|
if( component == LUMA )
|
|
{
|
|
numberOfPixels = Org->getHeight() * Org->getWidth();
|
|
}
|
|
else
|
|
{
|
|
numberOfPixels = Rec->getChromaLength();
|
|
}
|
|
|
|
for( UInt i = 0; i < numberOfPixels; i++ )
|
|
{
|
|
aux_pel_mask = *pMaskPelYUV++;
|
|
aux_pel_1 = *pRecPelYUV++;
|
|
aux_pel_2 = *pOrgPelYUV++;
|
|
diff = aux_pel_1 - aux_pel_2;
|
|
ssd += ( aux_pel_mask * diff * diff );
|
|
count += aux_pel_mask;
|
|
}
|
|
if( ssd == 0.0 )
|
|
{
|
|
return 0.0;
|
|
}
|
|
return ssd / Double( count );
|
|
}
|
|
|
|
Double WeightedPSNR::measure( std::vector<PlaYUVerFrame*> apcFrameList )
|
|
{
|
|
Double dPSNR = 100;
|
|
Double dMaxValue = ( 1 << apcFrameList[1]->getBitsPel() ) - 1;
|
|
Double dMSE = measureWMSE( m_uiComponent, apcFrameList[1], apcFrameList[2], apcFrameList[0] );
|
|
if( dMSE != 0 )
|
|
dPSNR = 10 * log10( ( dMaxValue * dMaxValue ) / dMSE );
|
|
return dPSNR;
|
|
}
|
|
|
|
Void WeightedPSNR::destroy() {}
|