Java Code Examples for org.opencv.core.CvType#CV_8UC1

The following examples show how to use org.opencv.core.CvType#CV_8UC1 . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ImageProcessor.java    From Document-Scanner with GNU General Public License v3.0 7 votes vote down vote up 
private void enhanceDocument( Mat src ) {
    if (colorMode && filterMode) {
        src.convertTo(src,-1, colorGain , colorBias);
        Mat mask = new Mat(src.size(), CvType.CV_8UC1);
        Imgproc.cvtColor(src,mask,Imgproc.COLOR_RGBA2GRAY);

        Mat copy = new Mat(src.size(), CvType.CV_8UC3);
        src.copyTo(copy);

        Imgproc.adaptiveThreshold(mask,mask,255,Imgproc.ADAPTIVE_THRESH_MEAN_C,Imgproc.THRESH_BINARY_INV,15,15);

        src.setTo(new Scalar(255,255,255));
        copy.copyTo(src,mask);

        copy.release();
        mask.release();

        // special color threshold algorithm
        colorThresh(src,colorThresh);
    } else if (!colorMode) {
        Imgproc.cvtColor(src,src,Imgproc.COLOR_RGBA2GRAY);
        if (filterMode) {
            Imgproc.adaptiveThreshold(src, src, 255, Imgproc.ADAPTIVE_THRESH_MEAN_C, Imgproc.THRESH_BINARY, 15, 15);
        }
    }
}
Example 2
Source File: Converters.java    From ResistorScanner with MIT License 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 3
Source File: Converters.java    From effective_android_sample with Apache License 2.0 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 4
Source File: Converters.java    From android-object-distance with Apache License 2.0 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 5
Source File: OpenCvCamera.java    From opencv-documentscanner-android with Apache License 2.0 5 votes vote down vote up 
@Override
public void onCameraViewStarted(int width, int height) {
    Log.d("Width", width + "\t" + height);
    mRgba = new Mat(height, width, CvType.CV_8UC4);
    mIntermediateMat = new Mat(height, width, CvType.CV_8UC4);
    mGray = new Mat(height, width, CvType.CV_8UC1);
}
Example 6
Source File: Converters.java    From SmartPaperScan with Apache License 2.0 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 7
Source File: Converters.java    From FaceT with Mozilla Public License 2.0 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 8
Source File: Converters.java    From OpenCvFaceDetect with Apache License 2.0 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 9
Source File: Converters.java    From OpenCV-android with Apache License 2.0 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 10
Source File: Converters.java    From MOAAP with MIT License 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 11
Source File: Converters.java    From Document-Scanner with GNU General Public License v3.0 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 12
Source File: Converters.java    From OpenCV-Android-Object-Detection with MIT License 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 13
Source File: Converters.java    From faceswap with Apache License 2.0 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 14
Source File: Converters.java    From react-native-documentscanner-android with MIT License 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 15
Source File: Converters.java    From MOAAP with MIT License 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 16
Source File: Converters.java    From FtcSamples with MIT License 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 17
Source File: Converters.java    From MOAAP with MIT License 5 votes vote down vote up 
public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}
Example 18
Source File: DocumentScannerActivity.java    From Document-Scanner with GNU General Public License v3.0 4 votes vote down vote up 
@Override
public void onPreviewFrame(byte[] data, Camera camera) {

    android.hardware.Camera.Size pictureSize = camera.getParameters().getPreviewSize();

    Log.d(TAG, "onPreviewFrame - received image " + pictureSize.width + "x" + pictureSize.height
            + " focused: " + mFocused + " imageprocessor: " + (imageProcessorBusy ? "busy" : "available"));

    if (mFocused && !imageProcessorBusy) {
        setImageProcessorBusy(true);
        Mat yuv = new Mat(new Size(pictureSize.width, pictureSize.height * 1.5), CvType.CV_8UC1);
        yuv.put(0, 0, data);

        Mat mat = new Mat(new Size(pictureSize.width, pictureSize.height), CvType.CV_8UC4);
        Imgproc.cvtColor(yuv, mat, Imgproc.COLOR_YUV2RGBA_NV21, 4);

        yuv.release();

        sendImageProcessorMessage("previewFrame", new PreviewFrame(mat, autoMode, !(autoMode || scanClicked)));
    }

}
Example 19
Source File: Util.java    From OpenTLDAndroid with Apache License 2.0 4 votes vote down vote up 
static byte getByte(final int row, final int col, final Mat mat){
	if(CvType.CV_8UC1 != mat.type()) throw new IllegalArgumentException("Expected type is CV_8UC1, we found: " + CvType.typeToString(mat.type()));
	
	mat.get(row, col, _byteBuff1);
	return _byteBuff1[0];
}
Example 20
Source File: Color.java    From FTCVision with MIT License 2 votes vote down vote up 
/**
 * Create a blank Grayscale matrix (8-bit color info)
 *
 * @param width  Matrix width
 * @param height Matrix height
 * @return Grayscale matrix
 */
public static Mat createMatGRAY(int width, int height) {
    return new Mat(height, width, CvType.CV_8UC1);
}