Example usage for org.opencv.core MatOfDMatch rows

Introduction

In this page you can find the example usage for org.opencv.core MatOfDMatch rows.

Prototype

public int rows() 

Source Link

Usage

From source file:OCV_FeatureDetection.java

License:Open Source License

private MatOfDMatch showData(MatOfKeyPoint key_query, MatOfKeyPoint key_train, MatOfDMatch dmatch) {
    MatOfDMatch output = new MatOfDMatch();
    int num = dmatch.rows();
    float[] ele_dmatch = new float[4];

    ResultsTable rt = OCV__LoadLibrary.GetResultsTable(true);

    for (int i = 0; i < num; i++) {
        dmatch.get(i, 0, ele_dmatch);/*from ww  w  .j a v a 2 s  . c  o m*/

        if (ele_dmatch[3] <= max_distance) {
            output.push_back(dmatch.row(i));

            int queryidx = (int) ele_dmatch[0];
            int trainidx = (int) ele_dmatch[1];
            float distance = ele_dmatch[3];

            double x_query = key_query.get(queryidx, 0)[0];
            double y_query = key_query.get(queryidx, 0)[1];
            double x_train = key_train.get(trainidx, 0)[0];
            double y_train = key_train.get(trainidx, 0)[1];

            rt.incrementCounter();
            rt.addValue("x_query", x_query);
            rt.addValue("y_query", y_query);
            rt.addValue("x_train", x_train);
            rt.addValue("y_train", y_train);
            rt.addValue("distance", distance);
            rt.show("Results");
        }
    }

    return output;
}

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