BAEL-4329 - Capturing image from webcam in java

image-processing/pom.xml

@@ -82,6 +82,17 @@
             <artifactId>MarvinPlugins</artifactId>
             <version>${marvin-version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>javacv-platform</artifactId>
+            <version>${javacv-platform.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.github.sarxos</groupId>
+            <artifactId>webcam-capture</artifactId>
+            <version>${webcam-capture.version}</version>
+        </dependency>
+        
     </dependencies>
 
     <properties>
@@ -91,6 +102,8 @@
         <tess4j.version>4.5.1</tess4j.version>
         <tesseract-platform.version>4.1.0-1.5.2</tesseract-platform.version>
         <opencv.version>3.4.2-0</opencv.version>
+        <javacv-platform.version>1.5.5</javacv-platform.version>
+        <webcam-capture.version>0.3.12</webcam-capture.version>
         <imgscalr-version>4.2</imgscalr-version>
         <thumbnailator-version>0.4.11</thumbnailator-version>
         <marvin-version>1.5.5</marvin-version>

image-processing/src/main/java/com/baeldung/imagefromwebcam/MarvinExample.java

@@ -0,0 +1,31 @@
+package com.baeldung.imagefromwebcam;
+
+import marvin.gui.MarvinImagePanel;
+import marvin.image.MarvinImage;
+import marvin.io.MarvinImageIO;
+import marvin.video.MarvinJavaCVAdapter;
+import marvin.video.MarvinVideoInterface;
+import marvin.video.MarvinVideoInterfaceException;
+
+public class MarvinExample {
+
+    public static void main(String[] args) throws MarvinVideoInterfaceException {
+        MarvinVideoInterface videoAdapter = new MarvinJavaCVAdapter();
+        videoAdapter.connect(0);
+        MarvinImage image = videoAdapter.getFrame();
+        MarvinImageIO.saveImage(image, "selfie.jpg");
+    }
+
+    public void captureWithPanel() throws MarvinVideoInterfaceException {
+        MarvinVideoInterface videoAdapter = new MarvinJavaCVAdapter();
+        videoAdapter.connect(0);
+        MarvinImage image = videoAdapter.getFrame();
+
+        MarvinImagePanel videoPanel = new MarvinImagePanel();
+        videoPanel.setImage(image);
+
+        videoPanel.setSize(800,600);
+        videoPanel.setVisible(true);
+    }
+
+}

image-processing/src/main/java/com/baeldung/imagefromwebcam/OpenCVExample.java

@@ -0,0 +1,31 @@
+package com.baeldung.imagefromwebcam;
+
+import org.bytedeco.javacv.*;
+import org.bytedeco.opencv.opencv_core.IplImage;
+import java.awt.event.WindowEvent;
+import javax.swing.JFrame;
+import static org.bytedeco.opencv.helper.opencv_imgcodecs.cvSaveImage;
+
+public class OpenCVExample {
+
+    public static void main(String[] args) throws Exception {
+        CanvasFrame canvas = new CanvasFrame("Web Cam");
+        canvas.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        FrameGrabber grabber = new OpenCVFrameGrabber(0);
+        OpenCVFrameConverter.ToIplImage converter = new OpenCVFrameConverter.ToIplImage();
+
+        grabber.start();
+        Frame frame = grabber.grab();
+
+        IplImage img = converter.convert(frame);
+        cvSaveImage("selfie.jpg", img);
+
+        canvas.showImage(converter.convert(img));
+
+        Thread.sleep(2000);
+
+        canvas.dispatchEvent(new WindowEvent(canvas, WindowEvent.WINDOW_CLOSING));
+    }
+
+}

image-processing/src/main/java/com/baeldung/imagefromwebcam/WebcamCaptureExample.java

@@ -0,0 +1,43 @@
+package com.baeldung.imagefromwebcam;
+
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+import javax.imageio.ImageIO;
+import javax.swing.JFrame;
+
+import com.github.sarxos.webcam.Webcam;
+import com.github.sarxos.webcam.WebcamPanel;
+import com.github.sarxos.webcam.WebcamResolution;
+import com.github.sarxos.webcam.util.ImageUtils;
+
+public class WebcamCaptureExample {
+
+    public static void main(String[] args) throws IOException, Exception {
+        Webcam webcam = Webcam.getDefault();
+        webcam.open();
+
+        BufferedImage image = webcam.getImage();
+
+        ImageIO.write(image, ImageUtils.FORMAT_JPG, new File("selfie.jpg"));
+
+        //WebcamUtils.capture(webcam, "selfie1.jpg");
+    }
+
+    public void captureWithPanel() {
+        Webcam webcam = Webcam.getDefault();
+        webcam.setViewSize(WebcamResolution.VGA.getSize());
+
+        WebcamPanel panel = new WebcamPanel(webcam);
+        panel.setImageSizeDisplayed(true);
+
+        JFrame window = new JFrame("Webcam");
+        window.add(panel);
+        window.setResizable(true);
+        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        window.pack();
+        window.setVisible(true);
+    }
+
+}