package?com.test;

import?java.awt.image.BufferedImage;
import?java.io.BufferedOutputStream;
import?java.io.ByteArrayOutputStream;
import?java.io.FileOutputStream;

import?javax.imageio.ImageIO;

import?org.opencv.core.CvType;
import?org.opencv.core.Mat;
import?org.opencv.core.Rect;
import?org.opencv.core.Size;
import?org.opencv.imgcodecs.Imgcodecs;
import?org.opencv.imgproc.Imgproc;

public?class?BankCardTest?{
	public?final?static?String?openVCLibPath=“C:\\codeinfos\\ocr\\java_opencv\\opencv\\x64\\opencv_java320.dll“;?
	public?final?static?String?imgPath=“C:\\codeinfos\\ocr\\java_opencv\\src\\com\\test\\timg.jpg“;?
	public?final?static?String?savePath=“C:\\idetools\\ocrimg4\\“;?
	static?{
		//?System.loadLibrary（Core.NATIVE_LIBRARY_NAME）;
		//?注意程序運行的時候需要在VM?option添加該行?指明opencv的dll文件所在路徑
		//?-Djava.library.path=$PROJECT_DIR$\opencv\x64
		//?或者直接加載
		System.load（openVCLibPath）;
	}

	public?static?void?main（String[]?args）?throws?Exception?{
		Mat?srcMat?=?Imgcodecs.imread（imgPath）;
		Mat?destMat?=?new?Mat（）;
		Imgproc.cvtColor（srcMat?destMat?Imgproc.COLOR_RGB2GRAY）;//?轉灰色
		saveImage（mat2BufferedImage（destMat）?“2“）;

		Mat?binaryMat?=?new?Mat（destMat.height（）?destMat.width（）?CvType.CV_8UC1）;
		Imgproc.threshold（destMat?binaryMat?28?255?Imgproc.THRESH_BINARY）;//?二值
		saveImage（mat2BufferedImage（binaryMat）?“3“）;

		Mat?element?=?Imgproc.getStructuringElement（Imgproc.MORPH_RECT?new?Size（3?3））;
		Mat?erodeMat?=?new?Mat（）;
		Imgproc.erode（binaryMat?erodeMat?element）;//?3*3的圖片去腐蝕
		saveImage（mat2BufferedImage（erodeMat）?“4“）;

		//?for?（int?y?=?0;?y?		//?{
		//?for?（int?x?=?0;?x?		//?{
		//?//得到該行像素點的值
		//?double[]?data?=?erodeMat.get（yx）;
		//?for?（int?i1?=?0;?i1?		//?data[i1]?=?255;//像素點都改為白色
		//?}
		//?erodeMat.put（yxdata）;
		//?}
		//?}

		//?for?（int?y?=?0;?y?		//?for?（int?x?=?0;?x?		//?//?得到該行像素點的值
		//?double[]?data?=?erodeMat.get（y?x）;
		//?for?（int?i1?=?0;?i1?		//?data[i1]?=?255;//?像素點都改為白色
		//?}
		//?erodeMat.put（y?x?data）;
		//?}
		//?}

		Mat?imgSrc?=?new?Mat（）;
		Imgproc.erode（binaryMat?imgSrc?element）;
		int?a?=?0;
		int?b?=?imgSrc.height（）;
		int?state?=?0;
		int?imgN?=?5;
		do?{
			for?（int?y?=?0;?y?				int?count?=?0;
				for?（int?x?=?0;?x?					//?得到該行像素點的值
					byte[]?data?=?new?byte[1];
					imgSrc.get（y?x?data）;
					if?（data[0]?==?0）
						count?=?count?+?1;
				}
				if?（state?==?0）//?還未到有效行
				{
					if?（count?>=?150）//?找到了開始行
					{//?有效行允許十個像素點的噪聲
						a?=?y;
						state?=?1;
					}
				}?else?if?（state?==?1）?{
					if?（count?<=?100）//?找到了結束行
					{//?有效行允許十個像素點的噪聲
						b?=?y;
						state?=?2;
						break;
					}
				}
			}
			System.out.println（“過濾下界“?+?Integer.toString（a））;
			System.out.println（“過濾

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????362??2017-12-22?13:04??java_opencv\.classpath

?????文件????????387??2017-12-22?12:36??java_opencv\.project

?????文件????????598??2017-12-22?12:36??java_opencv\.settings\org.eclipse.jdt.core.prefs

?????文件???????4681??2018-01-16?10:39??java_opencv\bin\com\test\BankCardTest.class

?????文件??????12163??2017-12-26?14:05??java_opencv\bin\com\test\GasNumTest.class

?????文件??????12495??2017-12-27?09:12??java_opencv\bin\com\test\GasNumTest2.class

?????文件???????4872??2017-12-22?15:30??java_opencv\bin\com\test\Test1.class

?????文件???????5045??2017-12-25?11:08??java_opencv\bin\com\test\Test2.class

?????文件??????11692??2017-12-25?16:34??java_opencv\bin\com\test\Test3.class

?????文件??????12151??2017-12-26?14:05??java_opencv\bin\com\test\Test4.class

?????文件??????17130??2018-01-16?10:37??java_opencv\bin\com\test\timg.jpg

?????文件?????368013??2017-12-22?12:55??java_opencv\opencv\opencv-320.jar

?????文件???31758848??2017-12-22?12:55??java_opencv\opencv\x64\opencv_java320.dll

?????文件???26176512??2017-12-22?12:55??java_opencv\opencv\x86\opencv_java320.dll

?????文件???????4838??2018-01-16?10:39??java_opencv\src\com\test\BankCardTest.java

?????文件??????17130??2018-01-16?10:37??java_opencv\src\com\test\timg.jpg

?????目錄??????????0??2018-01-16?10:41??java_opencv\bin\com\test

?????目錄??????????0??2018-01-16?10:42??java_opencv\src\com\test

?????目錄??????????0??2018-01-16?10:41??java_opencv\bin\com

?????目錄??????????0??2018-01-16?10:41??java_opencv\opencv\x64

?????目錄??????????0??2018-01-16?10:41??java_opencv\opencv\x86

?????目錄??????????0??2018-01-16?10:41??java_opencv\src\com

?????目錄??????????0??2018-01-16?10:41??java_opencv\.settings

?????目錄??????????0??2018-01-16?10:41??java_opencv\bin

?????目錄??????????0??2017-12-22?12:59??java_opencv\lib

?????目錄??????????0??2018-01-16?10:41??java_opencv\opencv

?????目錄??????????0??2018-01-16?10:41??java_opencv\src

?????目錄??????????0??2018-01-16?10:41??java_opencv

-----------?---------??----------?-----??----

?????????????58406917????????????????????28

............此處省略1個文件信息