1.Mat 存储到本地:
- public void saveMatData(Mat mat) {
- File fileDir = new File(Environment.getExternalStoragePublicDirectory(
- Environment.DIRECTORY_PICTURES), "mybook");
- if (!fileDir.exists()) {
- fileDir.mkdirs();
- }
- String name = String.valueOf(System.currentTimeMillis()) + "_book.jpg";
- File tempFile = new File(fileDir.getAbsoluteFile() + File.separator, name);
- Imgproc.cvtColor(mat, mat,Imgproc.COLOR_RGB2BGR);// 保存到本地的颜色值, 如果不转换默认是红色值, 因为 Mat 默认是 BGR 格式
- Imgcodecs.imwrite(tempFile.getAbsolutePath(), mat);
- Log.e("存储", "FielSaveMatData" + tempFile.getPath());
- }
- public void saveMatData(Mat mat) {
- File fileDir = new File(Environment.getExternalStoragePublicDirectory(
- Environment.DIRECTORY_PICTURES), "mybook");
- if (!fileDir.exists()) {
- fileDir.mkdirs();
- }
- String name = String.valueOf(System.currentTimeMillis()) + "_book.jpg";
- File tempFile = new File(fileDir.getAbsoluteFile() + File.separator, name);
- Mat dst = new Mat(mat.rows(), mat.cols(), CvType.CV_8UC4); // 新建目标输出图像
- Imgproc.cvtColor(mat, dst, Imgproc.COLOR_RGB2BGR);
- Imgcodecs.imwrite(tempFile.getAbsolutePath(), dst);
- Log.e("存储", "FielSaveMatData" + tempFile.getPath());
- }
来源: http://www.bubuko.com/infodetail-3038831.html