4.1图片读写操作

Java Opencv系列：（配套代码下载）4.1图片读写操作

package imageIO;

import java.util.ArrayList;
import java.util.List;

import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.imgcodecs.Imgcodecs;

public class ReadAndWriteImage {
	static{System.loadLibrary（Core.NATIVE_LIBRARY_NAME）;}

	public static void main（String[] args） {
		// TODO Auto-generated method stub
		Mat source=Imgcodecs.imread（“F://7.png“）;//读取图像，参数为图像的存储路径
		System.out.println（“channels=“+source.channels（））;//灰度图=1，RGB=3
		Imgcodecs.imwrite（“F://777.png“ source）;//存储图像，参数1为要存储的路径，参数2为要存储的Mat对象
	}

}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-03-29 09:34  4.1图片读写操作\
     文件         980  2015-11-17 14:21  4.1图片读写操作\7.png
     目录           0  2017-03-29 09:33  4.1图片读写操作\testOpencv\
     文件         378  2017-03-24 13:26  4.1图片读写操作\testOpencv\.classpath
     文件         386  2017-03-24 13:14  4.1图片读写操作\testOpencv\.project
     目录           0  2017-03-27 17:24  4.1图片读写操作\testOpencv\.settings\
     文件         598  2017-03-24 13:14  4.1图片读写操作\testOpencv\.settings\org.eclipse.jdt.core.prefs
     目录           0  2017-03-27 17:24  4.1图片读写操作\testOpencv\bin\
     目录           0  2017-03-27 17:24  4.1图片读写操作\testOpencv\bin\imageIO\
     文件        1197  2017-03-27 17:14  4.1图片读写操作\testOpencv\bin\imageIO\ReadAndWriteImage.class
     目录           0  2017-03-27 17:24  4.1图片读写操作\testOpencv\bin\matAction\
     文件        1862  2017-03-24 20:58  4.1图片读写操作\testOpencv\bin\matAction\LinearAlgebraBasic.class
     文件        1761  2017-03-27 16:16  4.1图片读写操作\testOpencv\bin\matAction\LinearAlgebraMiddle.class
     文件        1662  2017-03-24 20:05  4.1图片读写操作\testOpencv\bin\matAction\NewMat.class
     目录           0  2017-03-27 17:24  4.1图片读写操作\testOpencv\src\
     目录           0  2017-03-27 17:24  4.1图片读写操作\testOpencv\src\imageIO\
     文件         606  2017-03-27 17:14  4.1图片读写操作\testOpencv\src\imageIO\ReadAndWriteImage.java
     目录           0  2017-03-27 17:24  4.1图片读写操作\testOpencv\src\matAction\
     文件        1163  2017-03-24 20:58  4.1图片读写操作\testOpencv\src\matAction\LinearAlgebraBasic.java
     文件         951  2017-03-27 16:16  4.1图片读写操作\testOpencv\src\matAction\LinearAlgebraMiddle.java
     文件         792  2017-03-24 20:05  4.1图片读写操作\testOpencv\src\matAction\NewMat.java