Class ImgSeek

src/pkgImgSeek/ImgSeek.java:26–177

import pkgBean.ImgSeekBean;

public class ImgSeek {

    private static float nndrRatio = 0.8f;//�������üȶ�ֵΪ0.7����ֵ�����е���



    public float getNndrRatio() {
        return nndrRatio;
    }

    public void setNndrRatio(float nndrRatio) {
        ImgSeek.nndrRatio = nndrRatio;
    }


    /**
     * Ѱͼ����
     * @param templateFilePath ģ��ͼ�ļ�·��
     * @param originalFilePath ԭͼ�ļ�·��
     * @param isTest �Ƿ�Ϊ����ģʽ����������Ѱͼ�������ͼƬ
     * @return ����ImgSeekBean���󣬰���ͼ��ƥ�����������Ϣ
     */
    public static ImgSeekBean findImg(String templateFilePath,String originalFilePath,boolean isTest){
    	ImgSeekBean isb = new ImgSeekBean();
    	try{
    		System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    		//������ʱ�ļ��в���ͼƬ�洢·��
    		String tempPath = "./res/pics/pic_temp/";
    		//��ȡͼƬת��Ϊ����
    		Mat templateImage = Highgui.imread(templateFilePath, Highgui.CV_LOAD_IMAGE_COLOR);
    		Mat originalImage = Highgui.imread(originalFilePath, Highgui.CV_LOAD_IMAGE_COLOR);
            MatOfKeyPoint templateKeyPoints = new MatOfKeyPoint();
            //ָ���������㷨SURF
            FeatureDetector featureDetector = FeatureDetector.create(FeatureDetector.SIFT);
            //��ȡģ��ͼ��������
            featureDetector.detect(templateImage, templateKeyPoints);
            //��ȡģ��ͼ��������
            MatOfKeyPoint templateDescriptors = new MatOfKeyPoint();
            DescriptorExtractor descriptorExtractor = DescriptorExtractor.create(DescriptorExtractor.SIFT);
            descriptorExtractor.compute(templateImage, templateKeyPoints, templateDescriptors);
            isb.setTempKeyPointsNum((int)templateKeyPoints.size().height);

            //��ȡԭͼ��������
            MatOfKeyPoint originalKeyPoints = new MatOfKeyPoint();
            MatOfKeyPoint originalDescriptors = new MatOfKeyPoint();
            featureDetector.detect(originalImage, originalKeyPoints);
            descriptorExtractor.compute(originalImage, originalKeyPoints, originalDescriptors);
            
            List<MatOfDMatch> matches = new LinkedList<MatOfDMatch>();
            DescriptorMatcher descriptorMatcher = DescriptorMatcher.create(DescriptorMatcher.FLANNBASED);
            //Ѱ�����ƥ��
            /**
             * knnMatch���������þ����ڸ�����������������Ѱ�����ƥ��
             * ʹ��KNN-matching�㷨����K=2����ÿ��match�õ�������ӽ���descriptor��Ȼ�������ӽ�����ʹνӽ�����֮��ı�ֵ������ֵ���ڼȶ�ֵʱ������Ϊ����match��
             */
            descriptorMatcher.knnMatch(templateDescriptors, originalDescriptors, matches, 2);

            //��ƥ��������ɸѡ������distance����ɸѡ