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Home Java javaTutorial How to blend two images using OpenCV Java?

How to blend two images using OpenCV Java?

Sep 08, 2023 pm 12:05 PM

You can blend two images in OpenCV using the addWeighted() method of the Core class.

This method accepts two Mat objects (representing the source matrix and the target matrix) and two double values ​​representing the required weights of the image alpha and gamma, and calculates their weighted sum.

Example

import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.highgui.HighGui;
import org.opencv.imgcodecs.Imgcodecs;
public class AddingTwoImages {
   public static void main( String[] args ) {
      //Loading the OpenCV core library
      System.loadLibrary( Core.NATIVE_LIBRARY_NAME );
      //Reading the input images
      Mat src1 = Imgcodecs.imread("D://images//a1.jpg");
      Mat src2 = Imgcodecs.imread("D://images//a2.jpg");
      //Creating an empty matrix to store the result
      Mat dst = new Mat();
      //Adding two images
      Core.addWeighted(src1, 0.4, src2, 0.8, 0, dst);
      HighGui.imshow("Adding two images", dst);
      HighGui.waitKey(0);
   }
}<strong> </strong>
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Input picture 1

如何使用OpenCV Java混合两个图像?

Input image 2

如何使用OpenCV Java混合两个图像?

Output

如何使用OpenCV Java混合两个图像?

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