// ZBar_test.cpp : 定义控制台应用程序的入口点。
#include "stdafx.h" #include "stdafx.h" #include "include\zbar.h" #include "opencv2/opencv.hpp" #include "opencv2/core.hpp" #include "highgui.h" #include <iostream> using namespace std; using namespace zbar; using namespace cv; string ZbarDecoder(Mat img) { cv::namedWindow("Image", cv::WINDOW_AUTOSIZE); cv::imshow("Image", img); string result; ImageScanner scanner; const void *raw = (&img)->data; // configure the reader scanner.set_config(ZBAR_QRCODE, ZBAR_CFG_ENABLE, 1); // wrap image data Image image(img.cols, img.rows, "Y800", raw, img.cols * img.rows); // scan the image for barcodes int n = scanner.scan(image); // extract results Image::SymbolIterator symbol = image.symbol_begin(); if (image.symbol_begin() == image.symbol_end()) { cout << "Check Image Please" << endl; } for (; symbol != image.symbol_end(); ++symbol) { cout << "Code Type:" << endl << symbol->get_type_name() << endl << endl; cout << "Code Data:" << endl << symbol->get_data() << endl << endl; } image.set_data(NULL, 0); return result; } string GetQRInBinImg(Mat binImg) { string result = ZbarDecoder(binImg); if (result.empty()) { Mat openImg; Mat element = getStructuringElement(MORPH_RECT, Size(3, 3)); morphologyEx(binImg, openImg, MORPH_OPEN, element); result = ZbarDecoder(openImg); } return result; } string GetQR(Mat img) { Mat binImg; double thre = threshold(img, binImg, 0, 255, cv::THRESH_OTSU); string result; while (result.empty() && thre<255) { threshold(img, binImg, thre, 255, cv::THRESH_BINARY); result = GetQRInBinImg(binImg); thre += 20; } return result; } int main(int argc, char*argv[]) { Mat src = imread("barcode.png"); cv::namedWindow("Source Image", cv::WINDOW_AUTOSIZE);
if (!src.data) { cout << "image null" << endl; return 0; } cv::imshow("Source Image", src); cv::cvtColor(src, src, CV_RGB2GRAY); string re = GetQR(src); cout << re << endl; cv::waitKey(); return 0; }
（1）配置opencv环境
（2）下载ZBar库文件
（3）图像处理
完整工程下载地址：
https://download.csdn.net/download/qq_33628827/11206116
