protected void init(int n) throws InvalidConfigException {
double r[] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
double g[] = {0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0};
double b[] = {1.0, 0.95, 0.9, 0.85, 0.8, 0.75, 0.7, 0.65, 0.6, 0.55, 0.5};
Mat X = ColorMap.linspace(0, 1, 11);
Mat rMat = new MatOfDouble(r);
Mat rMatF = new Mat();
rMat.convertTo(rMatF, CvType.CV_32FC1);
Mat gMat = new MatOfDouble(g);
Mat gMatF = new Mat();
gMat.convertTo(gMatF, CvType.CV_32FC1);
Mat bMat = new MatOfDouble(b);
Mat bMatF = new Mat();
bMat.convertTo(bMatF, CvType.CV_32FC1);
this._lut =
ColorMap.linear_colormap(
X,
rMatF.clone(), // red
gMatF.clone(), // green
bMatF.clone(), // blue
n); // number of sample points
}
/**
* @param source
* @param delta
* @return Mat
*/
public static Mat Sobel(Mat source, int delta) {
Mat grey = new Mat();
Imgproc.cvtColor(source, grey, Imgproc.COLOR_BGR2GRAY);
Mat sobelx = new Mat();
Imgproc.Sobel(grey, sobelx, CvType.CV_32F, 1, delta);
double minVal, maxVal;
Core.MinMaxLocResult minMaxLocResult = Core.minMaxLoc(sobelx);
minVal = minMaxLocResult.minVal;
maxVal = minMaxLocResult.maxVal;
Mat draw = new Mat();
sobelx.convertTo(
draw, CvType.CV_8U, 255.0 / (maxVal - minVal), -minVal * 255.0 / (maxVal - minVal));
return draw;
}
public static void extractQueryFeatures2HDFS(String filename, Job job) throws IOException {
// Read the local image.jpg as a Mat
Mat query_mat_float =
Highgui.imread(LOCAL_USER_DIR + ID + INPUT + "/" + filename, CvType.CV_32FC3);
// Convert RGB to GRAY
Mat query_gray = new Mat();
Imgproc.cvtColor(query_mat_float, query_gray, Imgproc.COLOR_RGB2GRAY);
// Convert the float type to unsigned integer(required by SIFT)
Mat query_mat_byte = new Mat();
query_gray.convertTo(query_mat_byte, CvType.CV_8UC3);
// // Resize the image to 1/FACTOR both width and height
// Mat query_mat_byte = FeatureExtraction.resize(query_mat_byte);
// Extract the feature from the (Mat)image
Mat query_features = FeatureExtraction.extractFeature(query_mat_byte);
System.out.println(PREFIX + "Extracting the query image feature...");
System.out.println("query_mat(float,color):" + query_mat_float);
System.out.println("query_mat(float,gray):" + query_gray);
System.out.println("query_mat(byte,gray):" + query_mat_byte);
System.out.println("query_mat_features:" + query_features);
System.out.println();
// Store the feature to the hdfs in order to use it later in different map tasks
System.out.println(PREFIX + "Generating the feature file for the query image in HDFS...");
FileSystem fs = FileSystem.get(job.getConfiguration());
String featureFileName = filename.substring(0, filename.lastIndexOf(".")) + ".json";
FSDataOutputStream fsDataOutputStream =
fs.create(new Path(HDFS_HOME + USER + ID + INPUT + "/" + featureFileName));
BufferedWriter bw =
new BufferedWriter(new OutputStreamWriter(fsDataOutputStream, StandardCharsets.UTF_8));
bw.write(FeatureExtraction.mat2json(query_features));
bw.close();
System.out.println(PREFIX + "Query feature extraction finished...");
System.out.println();
}
/**
* @param inputImg
* @return Mat
*/
public static Mat kmeans(Mat inputImg) {
Mat rgba = inputImg;
Mat tempMat = inputImg;
rgba = new Mat(inputImg.cols(), inputImg.rows(), CvType.CV_8UC3);
inputImg.copyTo(rgba);
List<Mat> hsv_planes_temp = new ArrayList<Mat>(3);
Core.split(tempMat, hsv_planes_temp);
double threshValue1 = PreProcessingOperation.getHistAverage(inputImg, hsv_planes_temp.get(0));
sample.util.Estimate.setFirstHistAverageValue(threshValue1);
System.out.println("Defore eqau " + threshValue1);
System.out.println(
Estimate.getBlueAverage() + " ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;");
if (threshValue1 > 140) {
if (Estimate.getBlueAverage() > 110) {
rgba.convertTo(rgba, -1, 10d * 31 / 100, 0);
System.out.println("11");
} else {
rgba.convertTo(rgba, -1, 10d * 40 / 100, 0);
System.out.println("12");
}
} else if (threshValue1 > 135) {
rgba.convertTo(rgba, -1, 10d * 32 / 100, 0);
System.out.println("21");
} else if (threshValue1 > 125) {
if (Estimate.getBlueAverage() > 110) {
rgba.convertTo(rgba, -1, 10d * 30 / 100, 0);
rgba = PreProcessing.Dilate(rgba, 5);
System.out.println("31");
} else {
rgba.convertTo(rgba, -1, 10d * 37 / 100, 0);
System.out.println("32");
}
} else if (threshValue1 > 120) {
rgba.convertTo(rgba, -1, 10d * 35 / 100, 0);
System.out.println("41");
} else if (threshValue1 > 110) {
if (Estimate.getBlueAverage() > 110) {
rgba.convertTo(rgba, -1, 10d * 35 / 100, 0);
rgba = PreProcessing.Dilate(rgba, 5);
System.out.println("51");
}
} else if (threshValue1 > 100) {
if (Estimate.getBlueAverage() > 107) {
rgba.convertTo(rgba, -1, 10d * 24 / 100, 0);
rgba = PreProcessing.Dilate(rgba, 5);
System.out.println("61");
} else if (Estimate.getBlueAverage() > 90) {
rgba.convertTo(rgba, -1, 10d * 30 / 100, 0);
rgba = PreProcessing.Dilate(rgba, 5);
System.out.println("62");
}
} else if (threshValue1 > 50) {
if (Estimate.getBlueAverage() > 160) {
rgba.convertTo(rgba, -1, 10d * 30 / 100, 0);
rgba = PreProcessing.Dilate(rgba, 3);
System.out.println("81");
} else if (Estimate.getBlueAverage() > 160) {
rgba.convertTo(rgba, -1, 10d * 27 / 100, 0);
rgba = PreProcessing.Dilate(rgba, 9);
System.out.println("82");
} else if (Estimate.getBlueAverage() > 130) {
rgba.convertTo(rgba, -1, 10d * 30 / 100, 0);
rgba = PreProcessing.Dilate(rgba, 9);
System.out.println("83");
} else if (Estimate.getBlueAverage() > 70) {
rgba.convertTo(rgba, -1, 10d * 29 / 100, 0);
rgba = PreProcessing.Dilate(rgba, 9);
System.out.println("84");
}
} else if (threshValue1 > 30) {
if (Estimate.getBlueAverage() > 190) {
rgba.convertTo(rgba, -1, 10d * 25 / 100, 0);
System.out.println("91");
} else if (Estimate.getBlueAverage() > 160) {
rgba.convertTo(rgba, -1, 10d * 35 / 100, 0);
System.out.println("92");
}
} else {
if (Estimate.getBlueAverage() > 240) {
rgba.convertTo(rgba, -1, 10d * 24 / 100, 0);
System.out.println("7");
} else {
rgba.convertTo(rgba, -1, 10d * 17 / 100, 0);
System.out.println("7");
}
}
tempMat.release();
Mat mHSV = new Mat();
Imgproc.cvtColor(rgba, mHSV, Imgproc.COLOR_RGBA2RGB, 3);
Imgproc.cvtColor(rgba, mHSV, Imgproc.COLOR_RGB2HSV, 3);
List<Mat> hsv_planes = new ArrayList<Mat>(3);
Core.split(mHSV, hsv_planes);
Mat channel = hsv_planes.get(0);
channel = Mat.zeros(mHSV.rows(), mHSV.cols(), CvType.CV_8UC1);
hsv_planes.set(2, channel);
Core.merge(hsv_planes, mHSV);
mHSV.convertTo(mHSV, CvType.CV_8UC1);
mHSV = Histogram(mHSV);
/*
Mat clusteredHSV = new Mat();
mHSV.convertTo(mHSV, CvType.CV_32FC3);
TermCriteria criteria = new TermCriteria(TermCriteria.EPS + TermCriteria.MAX_ITER,100,0.1);
Core.kmeans(mHSV, 1, clusteredHSV, criteria, 20, Core.KMEANS_PP_CENTERS);
Mat hsvImg = new Mat();
List<Mat> hsvPlanes = new ArrayList<>();
Mat thresholdImg = new Mat();
int thresh_type = Imgproc.THRESH_BINARY_INV;
hsvImg.create(mHSV.size(), CvType.CV_8U);
Imgproc.cvtColor(mHSV, hsvImg, Imgproc.COLOR_BGR2HSV);
Core.split(hsvImg, hsvPlanes);
Imgproc.threshold(hsvPlanes.get(1), thresholdImg, 0 , 200 , thresh_type);
double threshValue = PreProcessingOperation.getHistAverage(hsvImg, hsvPlanes.get(0));
Estimate.setSecondHistAverageValue(threshValue);
System.out.println("After equa " + Estimate.getSecondHistAverageValue());*/
Imgproc.threshold(mHSV, mHSV, 0, 150, Imgproc.THRESH_BINARY_INV);
// mHSV.convertTo(mHSV, CvType.CV_8UC1);
return mHSV;
}
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);
}
}
