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cv::Mat AlgorithmPhaseShiftThreeFreq::getEncodingPattern(unsigned int depth){
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cv::Mat AlgorithmPhaseShiftThreeFreq::getEncodingPattern(unsigned int depth){
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    return patterns[depth];
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    return patterns[depth];
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}
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}
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// Absolute phase from 3 frames
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//// Absolute phase from 3 frames
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static cv::Mat getPhase(const cv::Mat I1, const cv::Mat I2, const cv::Mat I3){
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//static cv::Mat getPhase(const cv::Mat I1, const cv::Mat I2, const cv::Mat I3){
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    cv::Mat_<float> I1_(I1);
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//    cv::Mat_<float> I1_(I1);
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    cv::Mat_<float> I2_(I2);
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//    cv::Mat_<float> I2_(I2);
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    cv::Mat_<float> I3_(I3);
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//    cv::Mat_<float> I3_(I3);
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    cv::Mat phase;
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    // One call approach
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    cv::phase(2.0*I1_-I3_-I2_, sqrt(3.0)*(I2_-I3_), phase);
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    return phase;
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//    cv::Mat phase;
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}
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//    // One call approach
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//    cv::phase(2.0*I1_-I3_-I2_, sqrt(3.0)*(I2_-I3_), phase);
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//    return phase;
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//}
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// Phase unwrapping by means of a phase cue
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// Phase unwrapping by means of a phase cue
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static cv::Mat unwrapWithCue(const cv::Mat up, const cv::Mat upCue, float nPhases){
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static cv::Mat unwrapWithCue(const cv::Mat up, const cv::Mat upCue, float nPhases){
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    const float pi = M_PI;
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    const float pi = M_PI;
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    int frameCols = frames0[0].cols;
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    int frameCols = frames0[0].cols;
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    // Gray-scale everything
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    // Gray-scale everything
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    std::vector<cv::Mat> frames0Gray(N);
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    std::vector<cv::Mat> frames0Gray(N);
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    std::vector<cv::Mat> frames1Gray(N);
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    std::vector<cv::Mat> frames1Gray(N);
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    for(int i=0; i<N; i++){
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    for(unsigned int i=0; i<N; i++){
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        cv::cvtColor(frames0[i], frames0Gray[i], CV_BayerBG2GRAY);
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        cv::cvtColor(frames0[i], frames0Gray[i], CV_BayerBG2GRAY);
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        cv::cvtColor(frames1[i], frames1Gray[i], CV_BayerBG2GRAY);
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        cv::cvtColor(frames1[i], frames1Gray[i], CV_BayerBG2GRAY);
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    }
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    }
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    // Decode camera0
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    // Decode camera0