/**
* @param inputImg
* @return Mat
*/
public static Mat watershed(Mat inputImg) {
Mat target = new Mat(inputImg.rows(), inputImg.cols(), CvType.CV_8UC3);
Imgproc.cvtColor(inputImg, target, Imgproc.COLOR_BGR2RGB);
// Conversion to 8UC1 grayscale image
Mat grayScale = new Mat(inputImg.rows(), inputImg.cols(), CvType.CV_32SC1);
Imgproc.cvtColor(inputImg, grayScale, Imgproc.COLOR_BGR2GRAY);
// constructing a 3x3 kernel for morphological opening
Mat openingKernel = Mat.ones(9, 9, CvType.CV_8U);
// яскравість
// target.convertTo(target, -1, 10d * 12 / 100, 0);
// Imgproc.dilate(target, target, new Mat(), new Point(-1, -1), 1);
Size s = new Size(27, 27);
Imgproc.GaussianBlur(target, target, s, 1.7);
Imgproc.morphologyEx(target, target, Imgproc.MORPH_OPEN, openingKernel);
// dilation operation for extracting the background
// Imgproc.dilate(target, target, openingKernel);
// Imgproc.erode(target, target, new Mat(), new Point(-1, -1), 1);
Mat seeds = new Mat(target.rows(), target.cols(), CvType.CV_32SC1);
for (int i = 0; i < 10; i++) {
seeds.put(((int) Math.random()) % target.rows(), ((int) Math.random()) % target.cols(), i);
}
Imgproc.watershed(target, seeds);
// Imgproc.threshold(target,target, 50, 155, Imgproc.THRESH_BINARY );
return target;
}
private Mat rotateImage(Mat src, double angle) {
Point center = new Point(src.cols() / 2, src.rows() / 2);
double scale = 1.0;
Mat rotateMat = Imgproc.getRotationMatrix2D(center, angle, scale);
Mat dst = new Mat();
Size frameSize = new Size(src.rows(), src.cols());
// adjust dst center point
double m[] = new double[6];
rotateMat.get(0, 0, m);
m[2] += (frameSize.width - src.cols()) / 2;
m[5] += (frameSize.height - src.rows()) / 2;
rotateMat.put(0, 0, m);
Imgproc.warpAffine(
src,
dst,
rotateMat,
frameSize,
Imgproc.INTER_LINEAR,
Imgproc.BORDER_CONSTANT,
Scalar.all(0));
return dst;
}
public static boolean checkAngleL(Mat binary) {
int leftPointX = -1;
double pixel[];
for (int i = 0; i < binary.cols(); i++) {
pixel = binary.get(0, i);
if (pixel[0] != 0.0) {
leftPointX = i;
}
}
int rightPointY = -1;
for (int i = 0; i < binary.rows(); i++) {
pixel = binary.get(i, binary.cols() - 1);
if (pixel[0] != 0.0) {
rightPointY = i;
break;
}
}
double opposite = rightPointY;
double adjacent = binary.cols() - 1 - leftPointX;
double angle = Math.atan2(opposite, adjacent) * (180 / Math.PI);
if (angle >= 50.0 & angle < 70.0) {
return true; // angle indicates L
} else {
return false; // angle indicates not L
}
}
public static void main(String[] args) {
try {
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
File input = new File("traffic_signal.jpg");
BufferedImage image = ImageIO.read(input);
byte[] data = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
Mat mat = new Mat(image.getHeight(), image.getWidth(), CvType.CV_8UC3);
mat.put(0, 0, data);
Mat mat1 = new Mat(image.getHeight(), image.getWidth(), CvType.CV_8UC1);
Imgproc.cvtColor(mat, mat1, Imgproc.COLOR_RGB2GRAY);
byte[] data1 = new byte[mat1.rows() * mat1.cols() * (int) (mat1.elemSize())];
mat1.get(0, 0, data1);
BufferedImage image1 =
new BufferedImage(mat1.cols(), mat1.rows(), BufferedImage.TYPE_BYTE_GRAY);
image1.getRaster().setDataElements(0, 0, mat1.cols(), mat1.rows(), data1);
File ouptut = new File("output\\grayscale_" + new Date().getTime() + ".jpg");
ImageIO.write(image1, "jpg", ouptut);
} catch (Exception e) {
System.out.println("Error: " + e.getMessage());
}
}
/**
* Rotate a Mat by the specified degree
*
* @param src The source Mat
* @param angle The angle by which to rotate by
* @return The rotated Mat
*/
public static Mat rotate(Mat src, double angle) {
int len = src.cols() > src.rows() ? src.cols() : src.rows();
Point pt = new Point(len / 2.0, len / 2.0);
Mat r = Imgproc.getRotationMatrix2D(pt, angle, 1.0);
Mat dst = new Mat();
Imgproc.warpAffine(src, dst, r, new Size(len, len));
return dst;
}
public static Image convertMatToImage(Mat m) {
int type = BufferedImage.TYPE_BYTE_GRAY;
if (m.channels() > 1) {
type = BufferedImage.TYPE_3BYTE_BGR;
}
int bufferSize = m.channels() * m.cols() * m.rows();
byte[] b = new byte[bufferSize];
m.get(0, 0, b);
BufferedImage image = new BufferedImage(m.cols(), m.rows(), type);
final byte[] targetPixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
System.arraycopy(b, 0, targetPixels, 0, b.length);
return image;
}
public SaliencyResult saliencyalgorithmInterface(ImageObj imgobj, String method) {
// TODO Auto-generated method stub
float min = Float.MAX_VALUE;
float max = Float.MIN_VALUE;
String imgpath = imgobj.getSourcePath();
int k_num = imgobj.getK_num();
SaliencyResult result = new SaliencyResult();
Mat img = Highgui.imread(imgpath, Highgui.CV_LOAD_IMAGE_GRAYSCALE);
Mat saliencyMap = new Mat();
saliencyMap.create(img.rows(), img.cols(), CvType.CV_16U);
int HistGram[] = new int[256];
int Gray[] = new int[img.cols() * img.rows()];
int Dist[] = new int[256];
float DistMap[] = new float[img.rows() * img.cols()];
for (int row = 0; row < img.rows(); row++) {
int CurIndex = row * img.cols();
for (int col = 0; col < img.cols(); col++) {
HistGram[(int) (img.get(row, col)[0])]++;
Gray[CurIndex] = (int) (img.get(row, col)[0]);
CurIndex++;
}
}
for (int Y = 0; Y < 256; Y++) {
int Value = 0;
for (int X = 0; X < 256; X++) Value += Math.abs(Y - X) * HistGram[X];
Dist[Y] = Value;
}
for (int row = 0; row < img.rows(); row++) {
int CurIndex = row * img.cols();
for (int col = 0; col < img.cols(); col++) {
DistMap[CurIndex] = Dist[Gray[CurIndex]];
if (DistMap[CurIndex] < min) min = DistMap[CurIndex];
if (DistMap[CurIndex] > max) max = DistMap[CurIndex];
CurIndex++;
}
}
for (int row = 0; row < img.rows(); row++) {
int CurIndex = row * img.cols();
for (int col = 0; col < img.cols(); col++) {
saliencyMap.put(row, col, partTwo((DistMap[CurIndex] - min) / (max - min) * 255));
CurIndex++;
}
}
new findMarkUtil();
int nums[] = null;
if (method == "kmeans") {
nums = findMarkUtil.findMarkUtil_kmeans(saliencyMap, k_num, 255, 0, 5);
} else if (method == "random") {
nums = findMarkUtil.findMarkUtil_random(saliencyMap, k_num, 255);
}
result.setK_num(k_num);
result.setSource(imgpath);
result.setResult(nums);
result.setSaliency(saliencyMap);
return result;
}
/** Capture images and run color processing through here */
public void capture() {
VideoCapture camera = new VideoCapture();
camera.set(12, -20); // change contrast, might not be necessary
// CaptureImage image = new CaptureImage();
camera.open(0); // Useless
if (!camera.isOpened()) {
System.out.println("Camera Error");
// Determine whether to use System.exit(0) or return
} else {
System.out.println("Camera OK");
}
boolean success = camera.read(capturedFrame);
if (success) {
try {
processWithContours(capturedFrame, processedFrame);
} catch (Exception e) {
System.out.println(e);
}
// image.processFrame(capturedFrame, processedFrame);
// processedFrame should be CV_8UC3
// image.findCaptured(processedFrame);
// image.determineKings(capturedFrame);
int bufferSize = processedFrame.channels() * processedFrame.cols() * processedFrame.rows();
byte[] b = new byte[bufferSize];
processedFrame.get(0, 0, b); // get all the pixels
// This might need to be BufferedImage.TYPE_INT_ARGB
img =
new BufferedImage(
processedFrame.cols(), processedFrame.rows(), BufferedImage.TYPE_INT_RGB);
int width = (int) camera.get(Highgui.CV_CAP_PROP_FRAME_WIDTH);
int height = (int) camera.get(Highgui.CV_CAP_PROP_FRAME_HEIGHT);
// img.getRaster().setDataElements(0, 0, width, height, b);
byte[] a = new byte[bufferSize];
System.arraycopy(b, 0, a, 0, bufferSize);
Highgui.imwrite("camera.jpg", processedFrame);
System.out.println("Success");
} else System.out.println("Unable to capture image");
camera.release();
}
private double match_eye(Rect area, Mat mTemplate, int type) {
Point matchLoc;
Mat mROI = mGray.submat(area);
int result_cols = mGray.cols() - mTemplate.cols() + 1;
int result_rows = mGray.rows() - mTemplate.rows() + 1;
if (mTemplate.cols() == 0 || mTemplate.rows() == 0) {
return 0.0;
}
mResult = new Mat(result_cols, result_rows, CvType.CV_32FC1);
switch (type) {
case TM_SQDIFF:
Imgproc.matchTemplate(mROI, mTemplate, mResult, Imgproc.TM_SQDIFF);
break;
case TM_SQDIFF_NORMED:
Imgproc.matchTemplate(mROI, mTemplate, mResult, Imgproc.TM_SQDIFF_NORMED);
break;
case TM_CCOEFF:
Imgproc.matchTemplate(mROI, mTemplate, mResult, Imgproc.TM_CCOEFF);
break;
case TM_CCOEFF_NORMED:
Imgproc.matchTemplate(mROI, mTemplate, mResult, Imgproc.TM_CCOEFF_NORMED);
break;
case TM_CCORR:
Imgproc.matchTemplate(mROI, mTemplate, mResult, Imgproc.TM_CCORR);
break;
case TM_CCORR_NORMED:
Imgproc.matchTemplate(mROI, mTemplate, mResult, Imgproc.TM_CCORR_NORMED);
break;
}
Core.MinMaxLocResult mmres = Core.minMaxLoc(mResult);
if (type == TM_SQDIFF || type == TM_SQDIFF_NORMED) {
matchLoc = mmres.minLoc;
} else {
matchLoc = mmres.maxLoc;
}
Point matchLoc_tx = new Point(matchLoc.x + area.x, matchLoc.y + area.y);
Point matchLoc_ty =
new Point(matchLoc.x + mTemplate.cols() + area.x, matchLoc.y + mTemplate.rows() + area.y);
Core.rectangle(mRgba, matchLoc_tx, matchLoc_ty, new Scalar(255, 255, 0, 255));
if (type == TM_SQDIFF || type == TM_SQDIFF_NORMED) {
return mmres.maxVal;
} else {
return mmres.minVal;
}
}
public void copyMat(Mat src, Mat dest) {
int srcRows = src.rows();
int srcCols = src.cols();
int destRows = dest.rows();
int destCols = dest.cols();
for (int i = 0; i < srcRows; i++) {
for (int j = 0; j < srcCols; j++) {
double bit = src.get(i, j)[0];
dest.put(i, j, bit);
System.out.println(bit);
}
}
}
public void processFrame(CameraEvents.Frame frameEvent) {
if (service.getActivityMode() != ActivityEvent.Mode.WARP) return;
if (mode == Mode.SAMPLEWARPPLANE || mode == Mode.SAMPLEWARPGLASS) {
synchronized (this) {
if (!isSetup) setupMatrices();
if (captureSample) {
captureSample = false;
Log.d(TAG, "Warp: Capturing Sample");
Mat frame = frameEvent.getCameraFrame().getRGB();
byte[] frameJPEG = frameEvent.getCameraFrame().getJPEG();
if (sampleBGR == null
|| sampleBGR.height() != frame.height()
|| sampleBGR.width() != frame.width())
sampleBGR = new Mat(frame.rows(), frame.cols(), CvType.CV_8UC3);
Imgproc.cvtColor(frame, sampleBGR, Imgproc.COLOR_RGB2BGR);
useSample = true;
// TODO: Specialize it for this group/device
com.dappervision.wearscript.Utils.eventBusPost(
new SendEvent("warpsample", "", ValueFactory.createRawValue(frameJPEG)));
}
}
}
if (busy) return;
synchronized (this) {
busy = true;
if (!isSetup) setupMatrices();
if (mode == Mode.CAM2GLASS) {
Mat inputBGR;
Mat frame = frameEvent.getCameraFrame().getRGB();
if (frameBGR == null
|| frameBGR.height() != frame.height()
|| frameBGR.width() != frame.width())
frameBGR = new Mat(frame.rows(), frame.cols(), CvType.CV_8UC3);
Mat hSmallToGlassMat = getHSmallToGlassMat(frame.rows(), frame.cols());
if (hSmallToGlassMat == null) {
Log.w(TAG, "Warp: Bad size");
busy = false;
return;
}
Imgproc.cvtColor(frame, frameBGR, Imgproc.COLOR_RGB2BGR);
inputBGR = frameBGR;
Imgproc.warpPerspective(
inputBGR, frameWarp, hSmallToGlassMat, new Size(frameWarp.width(), frameWarp.height()));
drawFrame(frameWarp);
}
busy = false;
}
}
/**
* Order the detected bands into band 1, band 2 and the multiplier. The farthest band from the
* center of the resistor Mat will always be band 1.
*
* <p>Band contours are created from top left to bottom right of the image. Therefore unless
* resistor is perfectly horizontal, the middle band will always be 2nd, and the order just needs
* to be flipped if necessary
*/
public void orderBands() {
// Calculate the center of the resistor image.
Point resistorImageCenter = new Point(resistorMat.cols() / 2, resistorMat.rows() / 2);
double farthestDist = 0;
int band1Idx = 0;
// find the band farthest from the center.
for (int i = 0; i < bands.size(); i++) {
ColourBand cb = bands.get(i);
double dist = euclidDist(resistorImageCenter, cb.center);
if (dist > farthestDist) {
farthestDist = dist;
band1Idx = i;
}
}
// assume bands are already in the correct order band1Idx == 0
orderedBands = bands;
// if bands are in reverse order, reverse the array to get the ordered bands
if (band1Idx == 2) {
java.util.Collections.reverse(orderedBands);
}
}
/**
* Helper function to convert a Mat into a BufferedImage. Taken from
* http://answers.opencv.org/question/10344/opencv-java-load-image-to-gui Author: 'Lucky Luke'
*
* @param matrix Mat of type CV_8UC3 or CV_8UC1
* @return BufferedImage of type TYPE_3BYTE_BGR or TYPE_BYTE_GRAY
*/
private static BufferedImage matToBufferedImage(Mat matrix) {
int cols = matrix.cols();
int rows = matrix.rows();
int elemSize = (int) matrix.elemSize();
byte[] data = new byte[cols * rows * elemSize];
int type;
matrix.get(0, 0, data);
switch (matrix.channels()) {
case 1:
type = BufferedImage.TYPE_BYTE_GRAY;
break;
case 3:
type = BufferedImage.TYPE_3BYTE_BGR;
// bgr to rgb
byte b;
for (int i = 0; i < data.length; i = i + 3) {
b = data[i];
data[i] = data[i + 2];
data[i + 2] = b;
}
break;
default:
return null;
}
BufferedImage image = new BufferedImage(cols, rows, type);
image.getRaster().setDataElements(0, 0, cols, rows, data);
return image;
}
private void displayMarkersDebug(Mat imgMat, Scalar contourColor, Scalar codesColor) {
ArrayList<MatOfPoint> components = new ArrayList<MatOfPoint>();
Mat hierarchy = new Mat();
DtouchMarker marker = new DtouchMarker();
boolean markerFound = findMarkers(imgMat, marker, components, hierarchy);
if (markerFound) {
String code = codeArrayToString(marker.getCode());
Point codeLocation = new Point(imgMat.cols() / 4, imgMat.rows() / 8);
Core.putText(mRgba, code, codeLocation, Core.FONT_HERSHEY_COMPLEX, 1, codesColor, 3);
Imgproc.drawContours(
mRgba,
components,
marker.getComponentIndex(),
contourColor,
3,
8,
hierarchy,
2,
new Point(0, 0));
}
if (components != null) components.clear();
if (hierarchy != null) hierarchy.release();
components = null;
hierarchy = null;
}
/**
* Returns square area for image segment.
*
* @param imgMat Source image from which to compute image segment.
* @return square area which contains image segment.
*/
private Rect calculateImageSegmentArea(Mat imgMat) {
int width = imgMat.cols();
int height = imgMat.rows();
double aspectRatio = (double) width / (double) height;
int imgWidth = width / 2;
int imgHeight = height / 2;
// Size of width and height varies of input image can vary. Make the image segment width and
// height equal in order to make
// the image segment square.
// if width is more than the height.
if (aspectRatio > 1) {
// if total height is greater than imgWidth.
if (height > imgWidth) imgHeight = imgWidth;
} else if (aspectRatio < 1) { // height is more than the width.
// if total width is greater than the imgHeight.
if (width > imgHeight) imgWidth = imgHeight;
}
// find the centre position in the source image.
int x = (width - imgWidth) / 2;
int y = (height - imgHeight) / 2;
return new Rect(x, y, imgWidth, imgHeight);
}
public static void main(String[] args) {
try {
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
Mat source = Imgcodecs.imread("test_image.jpg", 0);
Mat destination = new Mat(source.rows(), source.cols(), source.type());
Imgproc.GaussianBlur(source, source, new Size(45, 45), 0);
Imgproc.adaptiveThreshold(
source, source, 255, Imgproc.ADAPTIVE_THRESH_MEAN_C, Imgproc.THRESH_BINARY, 75, 10);
Core.bitwise_not(source, source);
// Line detection
Mat img2 = null;
Imgproc.cvtColor(source, img2, Imgproc.COLOR_GRAY2RGB);
Mat img3 = null;
Imgproc.cvtColor(source, img3, Imgproc.COLOR_GRAY2RGB);
MatOfInt4 lines = new MatOfInt4();
// Imgproc.HoughLines(img, lines, rho, theta, threshold);
// Write to File
Imgcodecs.imwrite("gaussian.jpg", source);
System.out.println("Success!");
} catch (Exception e) {
System.out.println("Error has occurred: " + e.getMessage());
}
}
@Override
public void OnKeypointsFoundForOther(Mat image) {
Bitmap disp =
Bitmap.createBitmap(
image.cols(), image.rows(), Bitmap.Config.ARGB_8888); // Android uses ARGB_8888
Utils.matToBitmap(image, disp);
mImageAdapter.setOtherKeyPointImage(disp);
}
public static Mat findCardNumber(String path) {
Mat mat = Highgui.imread(path);
int x = 0;
int y = (int) (mat.height() * ((double) 30 / 54));
int width = mat.cols();
int height = (int) (mat.height() * ((double) 7 / 54));
return mat.submat(new Rect(x, y, width, height));
}
private static void printMatI(Mat mat) {
int[] data = new int[mat.channels()];
for (int r = 0; r < mat.rows(); r++) {
for (int c = 0; c < mat.cols(); c++) {
mat.get(r, c, data);
log(lvl, "(%d, %d) %s", r, c, Arrays.toString(data));
}
}
}
public static BufferedImage bufferedImage(Mat m) {
int type = BufferedImage.TYPE_BYTE_GRAY;
if (m.channels() > 1) {
type = BufferedImage.TYPE_3BYTE_BGR;
}
BufferedImage image = new BufferedImage(m.cols(), m.rows(), type);
m.get(
0, 0, ((DataBufferByte) image.getRaster().getDataBuffer()).getData()); // get all the pixels
return image;
}
private void CreateAuxiliaryMats() {
if (mGray.empty()) return;
int rows = mGray.rows();
int cols = mGray.cols();
if (mZoomWindow == null) {
mZoomWindow = mRgba.submat(rows / 2 + rows / 10, rows, cols / 2 + cols / 10, cols);
mZoomWindow2 = mRgba.submat(0, rows / 2 - rows / 10, cols / 2 + cols / 10, cols);
}
}
private Mat buildROI(Mat src) {
int offset = mZoomImg.getWidth();
int rows = src.rows();
int cols = src.cols();
Mat sub =
src.submat(
rows / 2 - offset / 2,
rows / 2 + offset / 2,
cols / 2 - offset / 2,
cols / 2 + offset / 2);
return sub;
}
public void setSpherifiedImage(Bitmap bitmap) {
spherifiedImage = new Mat();
spherifiedImage.create(bitmap.getHeight(), bitmap.getWidth(), CvType.CV_8UC3);
Utils.bitmapToMat(bitmap, spherifiedImage);
genImageSize = spherifiedImage.cols();
croppedImageSize = (int) (genImageSize * Math.sin(Math.PI / 4.0));
halfGenImageSize = genImageSize / 2;
}
public static void draw_opticflow(Mat flow, Mat cflowmap, int step, Scalar color) {
int i = 0, j = 0;
for (int y = 0; y < cflowmap.rows(); y += step) {
for (int x = 0; x < cflowmap.cols(); x += step) {
double[] fxy = Sample1View.flow.get(50, 50);
// for testing, getting change in values sa frames at point 50,50
// result : fxy ng.change ang value, however, kun i.add na ang 50, mura xag ma.zero??
i = (int) Math.round(fxy[0]);
j = (int) (50.00 + fxy[1]);
Core.putText(
cflowmap,
Double.toString(j),
new Point(10, 100),
3 /* CV_FONT_HERSHEY_COMPLEX */,
2,
new Scalar(255, 0, 0, 255),
3);
// Core.line(cflowmap, new Point(x,y), new Point(i,j), new Scalar(0,0,255), 4);
// Core.circle(cflowmap, new Point(i,j), 2, new Scalar(0,0,255), -1);
// Core.circle(cflowmap, new Point(x,y), 2, color, -1);
// System.out.print("fxy"+i+" "+j+"\n");
// Core.circle(cflowmap, new Point(cflowmap.width(), 50), 5, new Scalar(255,255,255), -1);
if (i < (cflowmap.width() / 2) && i != 0.0) {
Core.circle(cflowmap, new Point(i, j), 2, new Scalar(0, 0, 255), -1);
Core.putText(
cflowmap,
"LEFT",
new Point(10, 100),
3 /* CV_FONT_HERSHEY_COMPLEX */,
2,
new Scalar(255, 255, 255, 255),
3);
} else if (i > (cflowmap.width() / 2) && i != x) {
Core.circle(cflowmap, new Point(i, j), 2, new Scalar(0, 0, 255), -1);
Core.putText(
cflowmap,
"RIGHT",
new Point(10, 100),
3 /* CV_FONT_HERSHEY_COMPLEX */,
2,
new Scalar(255, 255, 255, 255),
3);
}
}
}
}
public Bitmap convertMatToBitmap(Mat seedsImage) {
Bitmap bmp = null;
Mat tmp = new Mat(seedsImage.height(), seedsImage.width(), CvType.CV_8U, new Scalar(4));
try {
// Imgproc.cvtColor(seedsImage, tmp, Imgproc.COLOR_RGB2BGRA);
Imgproc.cvtColor(seedsImage, tmp, Imgproc.COLOR_GRAY2RGBA, 4);
bmp = Bitmap.createBitmap(tmp.cols(), tmp.rows(), Bitmap.Config.ARGB_8888);
Utils.matToBitmap(tmp, bmp);
} catch (CvException e) {
Log.d("Exception", e.getMessage());
}
return bmp;
}
public void templateMatching() {
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
int match_method = 5;
int max_Trackbar = 5;
Mat data = Highgui.imread("images/training_data/1" + "/data (" + 1 + ").jpg");
Mat temp = Highgui.imread("images/template.jpg");
Mat img = data.clone();
int result_cols = img.cols() - temp.cols() + 1;
int result_rows = img.rows() - temp.rows() + 1;
Mat result = new Mat(result_rows, result_cols, CvType.CV_32FC1);
Imgproc.matchTemplate(img, temp, result, match_method);
Core.normalize(result, result, 0, 1, Core.NORM_MINMAX, -1, new Mat());
double minVal;
double maxVal;
Point minLoc;
Point maxLoc;
Point matchLoc;
// minMaxLoc( result, &minVal, &maxVal, &minLoc, &maxLoc, Mat() );
Core.MinMaxLocResult res = Core.minMaxLoc(result);
if (match_method == Imgproc.TM_SQDIFF || match_method == Imgproc.TM_SQDIFF_NORMED) {
matchLoc = res.minLoc;
} else {
matchLoc = res.maxLoc;
}
// / Show me what you got
Core.rectangle(
img,
matchLoc,
new Point(matchLoc.x + temp.cols(), matchLoc.y + temp.rows()),
new Scalar(0, 255, 0));
// Save the visualized detection.
Highgui.imwrite("images/samp.jpg", img);
}
public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
mRgba = inputFrame.rgba();
mGray = inputFrame.gray();
if (!detectionInProgress) {
Mat image = new Mat(mGray.rows(), mGray.cols(), mGray.type());
mGray.copyTo(image);
detectFaceOnFrame(image);
}
return mRgba;
}
@Override
public void OnHomographyStored(TransformInfo storage) {
// Draw the key point matches and put in gallery
Mat matches = storage.getMatchImage();
// Must convert to Bitmap from Mat
Bitmap disp =
Bitmap.createBitmap(
matches.cols(), matches.rows(), Bitmap.Config.ARGB_8888); // Android uses ARGB_8888
Utils.matToBitmap(matches, disp);
mImageAdapter.setPutativeImageWithLinesImage(disp);
// Ready to show display reset text
mExpandedImageText.setText(R.string.show_exp_image);
boolean ready = mCVLibraryInitialized;
transformButton.setEnabled(ready);
}
private Bitmap displayDetectedMarker(VideoCapture capture, Mat markerImage) {
// Get original image.
capture.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA);
displayRectOnImageSegment(mRgba, true);
displayMarkerImage(mMarkerImage, mRgba);
Bitmap bmp = Bitmap.createBitmap(mRgba.cols(), mRgba.rows(), Bitmap.Config.ARGB_8888);
try {
Utils.matToBitmap(mRgba, bmp);
return bmp;
} catch (Exception e) {
Log.e("TWMarkerSurfaceView", "Utils.matToBitmap() throws an exception: " + e.getMessage());
bmp.recycle();
return null;
}
}
public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
mRgba = inputFrame.rgba();
if (mIsColorSelected) {
abc = mDetector.process(mRgba);
// hehe.setText(abc.toString());
List<MatOfPoint> contours = mDetector.getContours();
Log.e(TAG, "Contours count: " + contours.size());
Imgproc.drawContours(mRgba, contours, -1, CONTOUR_COLOR);
Mat colorLabel = mRgba.submat(4, 68, 4, 68);
colorLabel.setTo(mBlobColorRgba);
Mat spectrumLabel = mRgba.submat(4, 4 + mSpectrum.rows(), 70, 70 + mSpectrum.cols());
mSpectrum.copyTo(spectrumLabel);
}
return mRgba;
}