Example usage for org.opencv.imgproc Imgproc Laplacian

Introduction

In this page you can find the example usage for org.opencv.imgproc Imgproc Laplacian.

Prototype

public static void Laplacian(Mat src, Mat dst, int ddepth, int ksize, double scale, double delta,
            int borderType) 

Source Link

Usage

From source file:OCV_Laplacian.java

License:Open Source License

@Override
public void run(ImageProcessor ip) {
    if (ip.getBitDepth() == 8) {
        // srcdst
        int imw = ip.getWidth();
        int imh = ip.getHeight();
        byte[] srcdst_bytes = (byte[]) ip.getPixels();

        // mat// ww w .j a  v  a  2  s .c o m
        Mat src_mat = new Mat(imh, imw, CvType.CV_8UC1);
        Mat dst_mat = new Mat(imh, imw, CvType.CV_8UC1);

        // run
        src_mat.put(0, 0, srcdst_bytes);
        Imgproc.Laplacian(src_mat, dst_mat, dst_mat.depth(), ksize, scale, delta,
                INT_BORDERTYPE[indBorderType]);
        dst_mat.get(0, 0, srcdst_bytes);
    } else if (ip.getBitDepth() == 16) {
        // srcdst
        int imw = ip.getWidth();
        int imh = ip.getHeight();
        short[] srcdst_shorts = (short[]) ip.getPixels();

        // mat
        Mat src_mat = new Mat(imh, imw, CvType.CV_16S);
        Mat dst_mat = new Mat(imh, imw, CvType.CV_16S);

        // run
        src_mat.put(0, 0, srcdst_shorts);
        Imgproc.Laplacian(src_mat, dst_mat, dst_mat.depth(), ksize, scale, delta,
                INT_BORDERTYPE[indBorderType]);
        dst_mat.get(0, 0, srcdst_shorts);
    } else if (ip.getBitDepth() == 24) {
        // dst
        int imw = ip.getWidth();
        int imh = ip.getHeight();
        int[] srcdst_ints = (int[]) ip.getPixels();

        // mat
        Mat src_mat = new Mat(imh, imw, CvType.CV_8UC3);
        Mat dst_mat = new Mat(imh, imw, CvType.CV_8UC3);

        // run
        OCV__LoadLibrary.intarray2mat(srcdst_ints, src_mat, imw, imh);
        Imgproc.Laplacian(src_mat, dst_mat, dst_mat.depth(), ksize, scale, delta,
                INT_BORDERTYPE[indBorderType]);
        OCV__LoadLibrary.mat2intarray(dst_mat, srcdst_ints, imw, imh);
    } else if (ip.getBitDepth() == 32) {
        // srcdst
        int imw = ip.getWidth();
        int imh = ip.getHeight();
        float[] srcdst_floats = (float[]) ip.getPixels();

        // mat
        Mat src_mat = new Mat(imh, imw, CvType.CV_32F);
        Mat dst_mat = new Mat(imh, imw, CvType.CV_32F);

        // run
        src_mat.put(0, 0, srcdst_floats);
        Imgproc.Laplacian(src_mat, dst_mat, dst_mat.depth(), ksize, scale, delta,
                INT_BORDERTYPE[indBorderType]);
        dst_mat.get(0, 0, srcdst_floats);
    } else {
        IJ.error("Wrong image format");
    }
}

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