opencv识别多条形码数字_opencv测试代码

//检测部分  需要用到opencv开源计算机视觉库
//输入是RGB  输出是保存的检测部分
Mat Check(Mat image)
{
vector<vector<Point>> contours;
vector<Vec4i> hiera;
imshow("原图", image);
//原图像大小调整，提高运算效率  
//resize(image, image, Size(500, 300));
//imshow("原图像", image); waitKey(15);		system("pause");
//转化为灰度图  
cvtColor(image, imageGray, CV_RGB2GRAY);
//imshow("灰度图", imageGray); waitKey(15);		system("pause");
//高斯平滑滤波  
GaussianBlur(imageGray, imageGuussian, Size(3, 3), 0);
//imshow("高斯平衡滤波", imageGuussian); waitKey(15);		system("pause");
//求得水平和垂直方向灰度图像的梯度差,使用Sobel算子  
Mat imageX16S, imageY16S;
Sobel(imageGuussian, imageX16S, CV_16S, 1, 0, 3, 1, 0, 4);
Sobel(imageGuussian, imageY16S, CV_16S, 0, 1, 3, 1, 0, 4);
convertScaleAbs(imageX16S, imageSobelX, 1, 0);
convertScaleAbs(imageY16S, imageSobelY, 1, 0);
imageSobelOut = imageSobelX - imageSobelY;
//imshow("X方向梯度", imageSobelX); waitKey(15);		system("pause");
//imshow("Y方向梯度", imageSobelY); waitKey(15);		system("pause");
//imshow("XY方向梯度差", imageSobelOut); waitKey(15);		system("pause");
//均值滤波，消除高频噪声  
blur(imageSobelOut, imageSobelOut, Size(3, 3));
//imshow("均值滤波", imageSobelOut); waitKey(15);		system("pause");
//二值化  
Mat imageSobleOutThreshold;
threshold(imageSobelOut, imageSobleOutThreshold, 100, 255, CV_THRESH_BINARY);
//imshow("二值化", imageSobleOutThreshold); waitKey(15);		system("pause");
//闭运算，填充条形码间隙  
Mat  element = getStructuringElement(1, Size(9, 9));
morphologyEx(imageSobleOutThreshold, imageSobleOutThreshold, MORPH_CLOSE, element);
//imshow("闭运算", imageSobleOutThreshold); waitKey(15);		system("pause");
//腐蚀，去除孤立的点  
erode(imageSobleOutThreshold, imageSobleOutThreshold, element);
//imshow("腐蚀", imageSobleOutThreshold); waitKey(15);		system("pause");
//膨胀，填充条形码间空隙，根据核的大小，有可能需要2~3次膨胀操作  
dilate(imageSobleOutThreshold, imageSobleOutThreshold, element);
dilate(imageSobleOutThreshold, imageSobleOutThreshold, element);
dilate(imageSobleOutThreshold, imageSobleOutThreshold, element);
//dilate(imageSobleOutThreshold, imageSobleOutThreshold, element);
//dilate(imageSobleOutThreshold, imageSobleOutThreshold, element);
//dilate(imageSobleOutThreshold, imageSobleOutThreshold, element);
//imshow("膨胀", imageSobleOutThreshold); waitKey(30);		system("pause");
return imageSobleOutThreshold;
}
int main(int argc, char *argv[])
{
...;
//测试用
//image = imread("1.jpg");
//定义两个容器去存放矩形区域
vector<vector<Point>> contours;
vector<Vec4i> hiera;
imshow("原图", image);
findContours(Check(image), contours, hiera, CV_RETR_EXTERNAL, CV_CHAIN_APPROX_NONE);
for (int i = 0; i < contours.size(); i++)
{
Rect rect = boundingRect((Mat)contours[i]);
rectangle(image, rect, Scalar(255), 2);
Mat ROI = image(rect);
sprintf(filenameIfZbar, "G:\\using\\text\\vs\\work\\zbar\\if1weima\\%d.jpg", i);
//imshow(filename, rect);
imwrite(filenameIfZbar, ROI);
//imshow("ROI",image); waitKey(30);		system("pause");
waitKey(1000); // 等待按下esc键，若需要延时1s则改用waitKey(1000);  
...;
}
...;
}

int main(int argc, char *argv[])
{
...;
for (int i = 0; i < contours.size(); i++)
{ 
...;
temp = image;
cvtColor(temp, imageGray, CV_RGB2GRAY);
//imshow("灰度图", imageGray);
// 获取所摄取图像的长和宽  
int width = imageGray.cols;
int height = imageGray.rows;
// 在Zbar中进行扫描时候，需要将OpenCV中的Mat类型转换为（uchar *）类型，raw中存放的是图像的地址；对应的图像需要转成Zbar中对应的图像zbar::Image  
uchar *raw = (uchar *)imageGray.data;
Image imageZbar(width, height, "Y800", raw, width * height);
// 扫描相应的图像imageZbar(imageZbar是zbar::Image类型，存储着读入的图像)  
scanner.scan(imageZbar); //扫描条码      
Image::SymbolIterator symbol = imageZbar.symbol_begin();
if (imageZbar.symbol_begin() == imageZbar.symbol_end())
{
cout << "查询条码失败，请检查图片！" << endl;
//system(delFile);
continue;
}
for (; symbol != imageZbar.symbol_end(); ++symbol)
{
string type, data;
type = symbol->get_type_name();
data = symbol->get_data();
cout << "类型：" << endl << type << endl << endl;
cout << "条码：" << endl << data << endl << endl;
sprintf(filenameIsZbar, "G:\\using\\text\\vs\\work\\zbar\\is1weima\\_%s_%s.jpg", type.c_str(), data.c_str());
//imshow(filename, rect);
imwrite(filenameIsZbar, ROI);
...;
}
waitKey(1000); // 等待按下esc键，若需要延时1s则改用waitKey(1000);  
}
...;
}

int main(int argc, char *argv[])
{
...;
for (int i = 0; i < contours.size(); i++)
{ 
...;
for (; symbol != imageZbar.symbol_end(); ++symbol)
{
...;
//表data写入数据
sprintf(filedir, "..\\is1weima\\_%s_%s.jpg", type.c_str(), data.c_str());
sprintf(csql_table1, "INSERT INTO [zbar].[dbo].[data]([type],[data],[imag]) VALUES('%s','%s','%s')", type.c_str(), data.c_str(), filedir);
Sql = csql_table1;
try{
_RecordsetPtr pRst(__uuidof(Recordset)); //实例化一个Recordset对象pRst
_CommandPtr pCmd(__uuidof(Command)); //实例化一个Command对象pCmd
pCmd->put_ActiveConnection(_variant_t((IDispatch*)pConnection));
pCmd->CommandText = (_bstr_t)Sql;
pRst = pCmd->Execute(NULL, NULL, adCmdText);
cout << "添加成功！" << endl;
pRst.Release();
pCmd.Release();
}
catch (_com_error e) {
cout << e.ErrorMessage() << endl;
cout << "添加失败！" << endl;
}
//表num写入数据
try {
sprintf(csql_table2, "select count(%s) [data] from [zbar].[dbo].[data]group by [data]", data.c_str());
Sql = csql_table2;
//_variant_t value;
_RecordsetPtr pRst(__uuidof(Recordset)); //实例化一个Recordset对象pRst
_CommandPtr pCmd(__uuidof(Command)); //实例化一个Command对象pCmd
pCmd->put_ActiveConnection(_variant_t((IDispatch*)pConnection));
pCmd->CommandText = (_bstr_t)Sql;
pRst = pCmd->Execute(NULL, NULL, adCmdText);
int valueline = pRst->GetCollect("data");
//update [zbar].[dbo].[data] set [data]='12456'where [imag]='..\is1weima\_EAN-13_4589732812540.jpg  
cout << "查询成功！" << endl;
sprintf(csql_table3, "update [zbar].[dbo].[num] set [num]='%d'where [data]='%s'", valueline, data.c_str());
Sql = csql_table3;
pCmd->put_ActiveConnection(_variant_t((IDispatch*)pConnection));
pCmd->CommandText = (_bstr_t)Sql;
pRst = pCmd->Execute(NULL, NULL, adCmdText);
cout << "修改成功！" << endl;
pRst.Release();
pCmd.Release();
}
catch (_com_error e) {
//cout << e.ErrorMessage() << endl;
//cout << "修改失败！" << endl;
sprintf(csql_table1, "INSERT INTO [zbar].[dbo].[num]([type],[data],[num]) VALUES('%s','%s','%d')", type.c_str(), data.c_str(), 1);
Sql = csql_table1;
_RecordsetPtr pRstR(__uuidof(Recordset)); //实例化一个Recordset对象pRst
_CommandPtr pCmdR(__uuidof(Command)); //实例化一个Command对象pCmd
pCmdR->put_ActiveConnection(_variant_t((IDispatch*)pConnection));
pCmdR->CommandText = (_bstr_t)Sql;
pRstR = pCmdR->Execute(NULL, NULL, adCmdText);
cout << "添加成功！" << endl;
pRstR.Release();
pCmdR.Release();
}
}
waitKey(1000); // 等待按下esc键，若需要延时1s则改用waitKey(1000);  
}
...;
}