java条码生成器_java识别图片中的二维码

我在尝试使用java openCV 识别条形码。在花边框时却这样。

我初步判断是，计算面积出现问题。

System.out.println(“Welcome to OpenCV “+Core.VERSION);

Mat m = new Mat(5,10, CvType.CV_8UC1,new Scalar(0));

System.out.println(“OpenCV:”+m);

Mat srcImage = Imgcodecs.imread(“C:\\Users\\13543\\Desktop\\timg.jpg”);//原始

Mat grayImage = new Mat();//灰色

Mat gradientXImage = new Mat();

Mat gradientYImage = new Mat();

Mat gradientImage = new Mat();

Mat blurImage = new Mat();//降噪图

Mat thresholdImage = new Mat();

Mat morphImage = new Mat();

Mat resultFileNameSring = new Mat();

ImageViewer imageViewer = new ImageViewer(srcImage, “原图”);