public static void main(String[] args) {
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
/** *** Configuration Variables **** */
int imgWidth = 200;
int imgHeight = 200;
int numPatch = 2000;
int patchWidth = 40;
int patchHeight = 40;
int k = 200; // kmeans number of center
int numBins = 8;
String filePathRed = "base/Red/";
String filePathBlack = "base/Black";
String procPathRed = "base/ProcRed";
String procPathBlack = "base/ProcBlack";
/** ******************************** */
ArrayList<String> fileNames = new ArrayList<String>();
sources = new ArrayList<Mat>();
/* Image IO */
try {
/* Read Red Staplers */
File folder = new File(filePathRed);
BufferedImage currentImage;
for (final File fileEntry : folder.listFiles()) {
if (!fileEntry.isDirectory()) {
// Resize Image
currentImage = ImageProc.resize(ImageIO.read(fileEntry), imgWidth, imgHeight);
File outFile = new File(procPathRed + "/" + fileEntry.getName());
ImageIO.write(currentImage, "JPG", outFile);
sources.add(Highgui.imread(outFile.getPath()));
fileNames.add(outFile.getName());
}
}
/* Read Black Staplers */
folder = new File(filePathBlack);
for (final File fileEntry : folder.listFiles()) {
if (!fileEntry.isDirectory()) {
// Resize Image
currentImage = ImageProc.resize(ImageIO.read(fileEntry), imgWidth, imgHeight);
File outFile = new File(procPathBlack + "/" + fileEntry.getName());
ImageIO.write(currentImage, "JPG", outFile);
sources.add(Highgui.imread(outFile.getPath()));
fileNames.add(outFile.getName());
}
}
} catch (IOException e) {
e.printStackTrace();
}
/** ************************************* */
float[] p1 = new float[30];
float[] p2 = new float[30];
/* Create Image Patches and calculate color feature vector for each patch */
Iterator<Mat> imgIter = sources.iterator();
Mat thisImage;
Mat featureMat = new Mat();
List<Mat> imagePatches = null;
Iterator<Mat> patchIter = null;
while (imgIter.hasNext()) {
thisImage = imgIter.next();
// Randomly Sample Patches
imagePatches = ImageProc.sampleImage(thisImage, patchWidth, patchHeight, numPatch);
patchIter = imagePatches.iterator();
// Create color feature vector for each patch
while (patchIter.hasNext()) {
featureMat.push_back(ImageProc.calBGRFeature(patchIter.next(), numBins));
}
}
Mat centers = new Mat();
Mat bestLabels = new Mat();
Core.kmeans(
featureMat,
k,
bestLabels,
new TermCriteria(TermCriteria.EPS, 0, Math.pow(10, -5)),
0,
Core.KMEANS_RANDOM_CENTERS,
centers);
MatOfFloat bestLabelRange = new MatOfFloat(0, k);
ArrayList<Mat> centerHist = new ArrayList<Mat>();
Mat centerHistMat = new Mat(0, k, CvType.CV_32FC1);
imgIter = sources.listIterator();
Iterator<String> nameIter = fileNames.iterator();
int ptr = 0;
int cnt = 0;
// Output CSV
try {
File outCSV = new File("output/res.csv");
FileWriter fstream = new FileWriter(outCSV);
BufferedWriter out = new BufferedWriter(fstream);
StringBuilder sb;
out.write("@relation staplers\n");
for (int n = 0; n < 200; n++) {
out.write("@attribute " + "a" + n + " real\n");
}
out.write("@attribute class {RedStapler, BlackStapler}\n\n");
out.write("@data\n\n");
while (imgIter.hasNext()) {
Mat thisMat = new Mat(bestLabels, new Range(ptr, ptr + numPatch), new Range(0, 1));
Mat mat = new Mat();
thisMat.convertTo(mat, CvType.CV_32F);
ArrayList<Mat> bestLabelList = new ArrayList<Mat>();
bestLabelList.add(mat);
Mat thisHist = new Mat();
Imgproc.calcHist(
bestLabelList, new MatOfInt(0), new Mat(), thisHist, new MatOfInt(k), bestLabelRange);
centerHist.add(thisHist);
// Create file
sb = new StringBuilder();
float[] histArr = new float[(int) thisHist.total()];
thisHist.get(0, 0, histArr);
for (int m = 0; m < histArr.length; m++) {
sb.append(histArr[m] + ",");
}
if (cnt++ < 10) sb.append("RedStapler");
else sb.append("BlackStapler");
sb.append("\n");
out.write(sb.toString());
// Close the output stream
centerHistMat.push_back(thisHist.t());
ptr += numPatch;
imgIter.next();
}
out.close();
} catch (IOException e) { // Catch exception if any
System.err.println("Error: " + e.getMessage());
System.exit(-1);
}
/* Support Vector Machine Validation */
Mat labelMat = new Mat(sources.size(), 1, CvType.CV_32FC1);
double[] labels = new double[20];
for (int i = 0; i < 10; i++) {
labels[i] = 1;
labels[i + 10] = -1;
}
labelMat.put(0, 0, labels);
CvSVMParams params = new CvSVMParams();
params.set_kernel_type(CvSVM.LINEAR);
CvSVM svm = new CvSVM();
svm.train(centerHistMat, labelMat, new Mat(), new Mat(), params);
svm.save("base/haha.txt");
String basePath = "base/predict/";
try {
File testCSV = new File("output/test.arff");
FileWriter testStream = new FileWriter(testCSV);
BufferedWriter testOut = new BufferedWriter(testStream);
testOut.write("@relation staplers\n");
for (int n = 0; n < 200; n++) {
testOut.write("@attribute " + "a" + n + " real\n");
}
testOut.write("@attribute class {RedStapler, BlackStapler}\n\n");
testOut.write("@data\n\n");
for (int m = 0; m < 21; m++) {
// System.out.println(basePath + m + ".jpg");
Mat testImg = Highgui.imread(basePath + m + ".jpg");
List<Mat> patches = ImageProc.sampleImage(testImg, patchWidth, patchHeight, numPatch);
List<Mat> features = new ArrayList<Mat>();
for (int i = 0; i < patches.size(); i++) {
Mat testVector = ImageProc.calBGRFeature(patches.get(i), numBins);
features.add(testVector);
}
Mat testData = ImageProc.calFeatureVector(features, centers);
StringBuilder testsb = new StringBuilder();
// String name = nameIter.next();
// sb.append(name + ",");
float[] data = new float[testData.cols()];
testData.get(0, 0, data);
for (int o = 0; o < data.length; o++) {
testsb.append(data[o] + ",");
}
if (m < 6) testsb.append("RedStapler");
else testsb.append("BlackStapler");
testsb.append("\n");
testOut.write(testsb.toString());
System.out.println("Img" + m + " " + svm.predict(testData));
}
} catch (IOException e) {
e.printStackTrace();
System.exit(-1);
}
}
public static void Circle(List<MatOfPoint> contours, int index) {
int i = index;
Mat mRGBA = new Mat();
Utils.bitmapToMat(image, mRGBA);
// cyklus s podmienkou na konci
do {
int buff[] = new int[4];
hierarchy.get(0, i, buff);
// Get contour form list
Mat contour = contours.get(i);
// id kont�ry
int id = i;
// dostaneme �a��ie id kont�ry
i = buff[0];
// zis�ujeme �i m�me dostato�ne ve�k� kont�ru aby sme sa �ou v�bec zaoberali
if (Imgproc.contourArea(contour) > 500) {
List<Point> points = new ArrayList<Point>();
// dostaneme celkov� po�et kont�r
int num = (int) contour.total();
// vytvor�me si pole o dvojn�sobnej ve�kosti samotnej kontury
int temp[] = new int[num * 2];
// na��tame si kont�ru do do�asnej premennej
contour.get(0, 0, temp);
// konvertujeme List<Point> do MatOfPoint2f pre pou�itie fitEllipse
for (int j = 0; j < num * 2; j = j + 2) {
points.add(new Point(temp[j], temp[j + 1]));
}
MatOfPoint2f specialPointMtx = new MatOfPoint2f(points.toArray(new Point[0]));
// do premennej bound uklad�me dokonal� elipsu
RotatedRect bound = Imgproc.fitEllipse(specialPointMtx);
// Vypo��ta sa hodnota pi
double pi =
Imgproc.contourArea(contour) / ((bound.size.height / 2) * (bound.size.width / 2));
// zis�ujeme toleranciu pi - zaoplenie
if (Math.abs(pi - 3.14) > 0.03) {
int k = buff[2];
// zis�ujeme �i existuje nejak� rodi� kont�ry
if (k != -1) {
Circle(contours, k);
}
continue;
}
// konvertujeme MatOfPoint2f do MatOfPoint pre funckiu fitEllipse - rozdie� je len v 32-bit
// float a 32-bit int
MatOfPoint NewMtx = new MatOfPoint(specialPointMtx.toArray());
// dostaneme s�radnice najmen�ieho mo�n�ho �tvorca
Rect box = Imgproc.boundingRect(NewMtx);
// nacita obrazok znova
Mat mat_for_count = new Mat();
Utils.bitmapToMat(image, mat_for_count);
// vytvori sa klon stvorca - dobry kandidat pre vyhladanie
Mat candidate = ((mat_for_count).submat(box)).clone();
// napln maticu binarnou ciernou
Mat mask = new Mat(box.size(), candidate.type(), new Scalar(0, 0, 0));
// naplni ciernu plochu bielimi konturami
Imgproc.drawContours(
mask,
contours,
id,
new Scalar(255, 255, 255),
-1,
8,
hierarchy,
0,
new Point(-box.x, -box.y));
// ulozi sa kandidat
Mat roi = new Mat(candidate.size(), candidate.type(), new Scalar(255, 255, 255));
// ulozia sa len informacie o kandidatovi
candidate.copyTo(roi, mask);
double longAxis;
double shortAxis;
// ziska dve osy elipsy
if (bound.size.height < bound.size.width) {
shortAxis = bound.size.height / 2;
longAxis = bound.size.width / 2;
} else {
shortAxis = bound.size.width / 2;
longAxis = bound.size.height / 2;
}
// zastavi sa vyhladavanie pokial je elipsa prilis ovalna
if ((longAxis / shortAxis) < 2.0) {
signList.add(roi);
boxList.add(box);
}
}
// zis�uje sa �i je tam e�te �al�� kandid�t
} while (i != -1);
}
