读取图像

Mat readImage(string path)
{
    std::ifstream file("cr.tif", std::ios::binary);
    std::vector<char> data;
    file >>noskipws;
    copy(istream_iterator<char>(file),istream_iterator<char>(), back_inserter(data));
    Mat jpegimage = imdecode(data, CV_LOAD_IMAGE_COLOR);
    file.close();
    return jpegimage;

}