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@@ -285,11 +285,11 @@ void convertBGRImageToOpponentColorSpace( const Mat& bgrImage, vector<Mat>& oppo
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// Calculate the channels of the opponent color space
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{
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// (R - G) / sqrt(2)
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MatConstIterator_<char> rIt = bgrChannels[2].begin<char>();
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MatConstIterator_<char> gIt = bgrChannels[1].begin<char>();
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MatIterator_<char> dstIt = opponentChannels[0].begin<char>();
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MatConstIterator_<signed char> rIt = bgrChannels[2].begin<signed char>();
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MatConstIterator_<signed char> gIt = bgrChannels[1].begin<signed char>();
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MatIterator_<unsigned char> dstIt = opponentChannels[0].begin<unsigned char>();
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float factor = 1.f / sqrt(2.f);
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for( ; dstIt != opponentChannels[0].end<char>(); ++rIt, ++gIt, ++dstIt )
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for( ; dstIt != opponentChannels[0].end<unsigned char>(); ++rIt, ++gIt, ++dstIt )
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{
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int value = static_cast<int>( static_cast<float>(static_cast<int>(*gIt)-static_cast<int>(*rIt)) * factor );
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if( value < 0 ) value = 0;
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@@ -299,12 +299,12 @@ void convertBGRImageToOpponentColorSpace( const Mat& bgrImage, vector<Mat>& oppo
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}
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{
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// (R + G - 2B)/sqrt(6)
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MatConstIterator_<char> rIt = bgrChannels[2].begin<char>();
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MatConstIterator_<char> gIt = bgrChannels[1].begin<char>();
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MatConstIterator_<char> bIt = bgrChannels[0].begin<char>();
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MatIterator_<char> dstIt = opponentChannels[1].begin<char>();
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MatConstIterator_<signed char> rIt = bgrChannels[2].begin<signed char>();
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MatConstIterator_<signed char> gIt = bgrChannels[1].begin<signed char>();
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MatConstIterator_<signed char> bIt = bgrChannels[0].begin<signed char>();
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MatIterator_<unsigned char> dstIt = opponentChannels[1].begin<unsigned char>();
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float factor = 1.f / sqrt(6.f);
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for( ; dstIt != opponentChannels[1].end<char>(); ++rIt, ++gIt, ++bIt, ++dstIt )
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for( ; dstIt != opponentChannels[1].end<unsigned char>(); ++rIt, ++gIt, ++bIt, ++dstIt )
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{
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int value = static_cast<int>( static_cast<float>(static_cast<int>(*rIt) + static_cast<int>(*gIt) - 2*static_cast<int>(*bIt)) *
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factor );
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@@ -315,12 +315,12 @@ void convertBGRImageToOpponentColorSpace( const Mat& bgrImage, vector<Mat>& oppo
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}
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{
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// (R + G + B)/sqrt(3)
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MatConstIterator_<char> rIt = bgrChannels[2].begin<char>();
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MatConstIterator_<char> gIt = bgrChannels[1].begin<char>();
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MatConstIterator_<char> bIt = bgrChannels[0].begin<char>();
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MatIterator_<char> dstIt = opponentChannels[2].begin<char>();
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MatConstIterator_<signed char> rIt = bgrChannels[2].begin<signed char>();
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MatConstIterator_<signed char> gIt = bgrChannels[1].begin<signed char>();
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MatConstIterator_<signed char> bIt = bgrChannels[0].begin<signed char>();
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MatIterator_<unsigned char> dstIt = opponentChannels[2].begin<unsigned char>();
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float factor = 1.f / sqrt(3.f);
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for( ; dstIt != opponentChannels[2].end<char>(); ++rIt, ++gIt, ++bIt, ++dstIt )
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for( ; dstIt != opponentChannels[2].end<unsigned char>(); ++rIt, ++gIt, ++bIt, ++dstIt )
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{
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int value = static_cast<int>( static_cast<float>(static_cast<int>(*rIt) + static_cast<int>(*gIt) + static_cast<int>(*bIt)) *
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factor );
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