OpenCV通过SVM训练车牌判别（JAVA版）

这是Java版本的OpenCV训练代码，测试集和训练集提供下载连接。这里只贴完整代码。带有注释，理解起来不困难。博主测试后识别率高。数据集下载地址https://download.youkuaiyun.com/download/wskfly/12030833

package com.it.opencv;

import java.io.File;
import java.util.ArrayList;

import org.junit.Test;
import org.opencv.core.Core;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.core.TermCriteria;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.ml.Ml;
import org.opencv.ml.SVM;
import org.opencv.ml.TrainData;

public class trainsvm {
	static {
		System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
	}
	//存储训练集
	static ArrayList<Mat> trainingImages = new ArrayList<Mat>();
	//存储标签
	static ArrayList<Integer> trainingLabels = new ArrayList<Integer>();

	public static void main(String[] args) {

		openFile(1, "C:\\Users\\98432\\Desktop\\HasPlate");
		openFile(0, "C:\\Us