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gs-cv/src/main/java/org/genericsystem/cv/ClassifierDemo.java
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| @@ -0,0 +1,91 @@ | ||
| package org.genericsystem.cv; | ||
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| import java.io.ByteArrayInputStream; | ||
| import java.io.File; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
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| import org.opencv.core.Core; | ||
| import org.opencv.core.Mat; | ||
| import org.opencv.core.MatOfByte; | ||
| import org.opencv.core.Size; | ||
| import org.opencv.imgcodecs.Imgcodecs; | ||
| import org.opencv.imgproc.Imgproc; | ||
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| import javafx.application.Application; | ||
| import javafx.event.EventHandler; | ||
| import javafx.scene.Group; | ||
| import javafx.scene.Scene; | ||
| import javafx.scene.control.Label; | ||
| import javafx.scene.control.ScrollPane; | ||
| import javafx.scene.image.Image; | ||
| import javafx.scene.image.ImageView; | ||
| import javafx.scene.layout.GridPane; | ||
| import javafx.scene.layout.VBox; | ||
| import javafx.stage.Stage; | ||
| import javafx.stage.WindowEvent; | ||
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| public class ClassifierDemo extends Application { | ||
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| private final static String sourceDirectoryPath = "png"; | ||
| private final double displayWidth = 200d; | ||
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| static { | ||
| System.loadLibrary(Core.NATIVE_LIBRARY_NAME); | ||
| } | ||
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| public static void main(String[] args) { | ||
| launch(args); | ||
| } | ||
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| @Override | ||
| public void start(Stage stage) throws Exception { | ||
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| GridPane gridPane = new GridPane(); | ||
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| List<File> images = Arrays.stream(new File(sourceDirectoryPath).listFiles()).filter(img -> img.getName().endsWith(".png")).collect(Collectors.toList()); | ||
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| int row = 0; | ||
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| for (File img1 : images) { | ||
| int column = 0; | ||
| File img2 = images.get(0); | ||
| Mat mat1 = Imgcodecs.imread(img1.getPath()); | ||
| gridPane.add(getImageViewFromMat(mat1), column++, row); | ||
| Integer result = Classifier.compareFeature(img1.getPath(), img2.getPath()); | ||
| gridPane.add(new Label(result.toString()), column++, row); | ||
| row++; | ||
| } | ||
| Scene scene = new Scene(new Group()); | ||
| stage.setTitle("Generic System Computer Vision"); | ||
| ScrollPane scrollPane = new ScrollPane(gridPane); | ||
| scrollPane.setFitToHeight(true); | ||
| VBox root = new VBox(scrollPane); | ||
| scene.setRoot(root); | ||
| stage.setOnCloseRequest(new EventHandler<WindowEvent>() { | ||
| @Override | ||
| public void handle(WindowEvent event) { | ||
| try { | ||
| stop(); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| }); | ||
| stage.setScene(scene); | ||
| stage.show(); | ||
| } | ||
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| private ImageView getImageViewFromMat(Mat src) { | ||
| Mat target = new Mat(); | ||
| Imgproc.resize(src, target, new Size(displayWidth, Math.floor((displayWidth / src.width()) * src.height()))); | ||
| MatOfByte buffer = new MatOfByte(); | ||
| Imgcodecs.imencode(".png", target, buffer); | ||
| ImageView imageView = new ImageView(new Image(new ByteArrayInputStream(buffer.toArray()))); | ||
| imageView.setPreserveRatio(true); | ||
| imageView.setFitWidth(displayWidth); | ||
| return imageView; | ||
| } | ||
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| } |