[JAVA] Desktop: OpenCV Decolor

Goal
Test OpenCV decolor.
import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.photo.Photo;

import javax.swing.*;
import java.awt.*;

public class OpenCV_Decolor {
    static {System.loadLibrary(Core.NATIVE_LIBRARY_NAME);}
    private JFrame frmjavaSwing;
    double alpha =5;
    double beta =50;

    /**
     *  Launch the application.
     */

    public static void main(String[] args){
        System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
        Mat im = Imgcodecs.imread("D:\\projects\\Java\\OpenCV_Samples\\resource\\imgs\\lena.jpg ");
        Mat color_boost=new Mat();
        Mat grayscale=new Mat();
        Photo.decolor(im, grayscale, color_boost);
        Imgcodecs.imwrite("D:\\projects\\Java\\OpenCV_Samples\\resource\\imgs\\lena_boost.jpg ", color_boost);
        Imgcodecs.imwrite("D:\\projects\\Java\\OpenCV_Samples\\resource\\imgs\\lena_boost_gray.jpg ", grayscale);
    }
}
Result
![lena_boost.jpg](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/276243/d897c3a6-a4ce-59ce-4a33-f7a83f607ef3.jpeg)

lena_boost_gray.jpg

Recommended Posts

Desktop: OpenCV Decolor
Desktop: OpenCV-Schwellenwert
Desktop: OpenCV BilateralFilterBlur
Desktop: OpenCV Dilate
Desktop: OpenCV-Erweiterung
Desktop: OpenCV Affine
Desktop: OpenCV CLAHE
Desktop: OpenCV Ellipse2Poly
Desktop: OpenCV HDR
Desktop: OpenCV-Polylinien
Desktop: OpenCV Denoise
Desktop: OpenCV-Schärfe
Desktop: OpenCV Concat
Desktop: OpenCV OpenCV_SalonUseBlurAddWeighted
Desktop: OpenCV-Mosaik
Desktop: OpenCV Erode
Desktop: OpenCV Denoise
Desktop: OpenCV-Rechteck
Desktop: OpenCV-Wasserscheide
Desktop: OpenCV-Text
Desktop: OpenCV Inpaint
Desktop: OpenCV NormalizeBlur
Desktop: OpenCV StereoSGBM
Desktop: OpenCV Spot
Desktop: OpenCV Denoise3
Desktop: OpenCV-Histogramm
Desktop: OpenCV Dft
Desktop: OpenCV FaceDetector
Desktop: OpenCV Denoise2
Desktop: OpenCV StereoBM
Desktop: OpenCV Kirsch Filter
Desktop: OpenCV Laplace Filter 2
Desktop: OpenCV-Beleuchtungsänderung
Desktop: OpenCV WaterMark hinzufügen
Desktop: OpenCV Fill ConvexPoly
Desktop: OpenCV Grab Cut
Desktop: OpenCV Sharpness Gui
Desktop: OpenCV-Farbänderung
Desktop: OpenCV Freichennel Filter
Desktop: OpenCV Adaptive Threshold
Desktop: OpenCV-Zeichnungskreis
Desktop: OpenCV Fill Poly
Desktop: OpenCV-Mittelwertfilter
Desktop: OpenCV Java Repository
Desktop: OpenCV Sobel Filter2
Desktop: OpenCV pyrMeanShift Filter
Desktop: OpenCV OpticalFlow PyrLK
Desktop: OpenCV Virtual Piano
Desktop: OpenCV-Bild zusammenführen
Desktop: OpenCV Scharr Filter
Desktop: Opencv-Webcam-Vorschau
Desktop: OpenCV-Laplace-Filter
Desktop: OpenCV Median Blur
Desktop: OpenCV Add Broad
Desktop: OpenCV Robinson Filter
Desktop: OpenCV-Videoaufzeichnung
Desktop: OpenCV Texture Flatting
Desktop: OpenCV Flood Fill
Desktop: OpenCV SqrBox Filter
Desktop: OpenCV-Bildgröße ändern
Desktop: OpenCV-Farbkarte