OpenCV_Android_Image_Classification_Read_Images.java

package opencvapp;

import java.io.File;
import org.opencv.core.Core;

public class TrainANN {
    public static void main(String [] args){
        String currentDirectory = System.getProperty("user.dir");
        System.load(currentDirectory + "\\OpenCVDLL\\x64\\" + Core.NATIVE_LIBRARY_NAME + ".dll");

        String [] classesNames = {"apple", "lemon", "mango", "raspberry"};
        
        for(int classIdx=0; classIdx<classesNames.length; classIdx++){
            String currClassName = classesNames[classIdx];
            String currClassDir = currentDirectory + "\\Dataset\\Train\\" + currClassName + "\\";
            System.out.println("Current Class Directory : " + currClassDir);
            
            File folder = new File(currClassDir);
            File[] listOfFiles = folder.listFiles();
            
            // Counter for the number of image being processed within the class.
            int imgCount = 0;

            for (File listOfFile : listOfFiles) {
                // Make sure we are working with a file and its extension is JPG
                if (listOfFile.isFile() && (currClassDir + listOfFile.getName()).endsWith(".jpg")) {
                    System.out.println("\nClass Index " + classIdx + "(" + currClassName + ")" + ", Image Index " + imgCount + "(" + listOfFile.getName() + ")");
                    
                    String currImgPath = currClassDir + listOfFile.getName();
                    System.out.println(currImgPath);

                    imgCount++;
                }
            }
        }
    }    
}