ObjectDetection.java 文件源码

/**
 * Analyzes a scene for a target object.
 *
 * @param scene    The scene to be analyzed as a GRAYSCALE matrix
 * @param analysis The target object's analysis from analyzeObject
 * @return A complete scene analysis
 */
public SceneAnalysis analyzeScene(Mat scene, ObjectAnalysis analysis) throws IllegalArgumentException {
    MatOfKeyPoint keypointsScene = new MatOfKeyPoint();

    //DETECT KEYPOINTS in scene
    detector.detect(scene, keypointsScene);

    //EXTRACT KEYPOINT INFO from scene
    Mat descriptorsScene = new Mat();
    extractor.compute(scene, keypointsScene, descriptorsScene);

    if (analysis == null) {
        throw new IllegalArgumentException("Analysis must not be null!");
    }

    if (analysis.descriptors.cols() != descriptorsScene.cols() || analysis.descriptors.type() != descriptorsScene.type()) {
        throw new IllegalArgumentException("Object and scene descriptors do not match in cols() or type().");
    }

    MatOfDMatch matches = new MatOfDMatch();
    matcher.match(analysis.descriptors, descriptorsScene, matches);

    //FILTER KEYPOINTS
     /*double max_dist = 0, min_dist = 100;

    for(int i = 0; i < objectAnalysis.descriptors.rows(); i++) {
        double dist = matches.get;
        if(dist < )
    }*/

    //STORE SCENE ANALYSIS
    return new SceneAnalysis(keypointsScene, descriptorsScene, matches, scene);
}