diff --git "a/PaddleOCR\346\226\207\345\255\227\350\257\206\345\210\253C#\351\203\250\347\275\262-1.md" "b/PaddleOCR\346\226\207\345\255\227\350\257\206\345\210\253C#\351\203\250\347\275\262-1.md" new file mode 100644 index 0000000000000000000000000000000000000000..0a1b8fb09a3bec8e4374e6bbe33920ac876b7f3c --- /dev/null +++ "b/PaddleOCR\346\226\207\345\255\227\350\257\206\345\210\253C#\351\203\250\347\275\262-1.md" @@ -0,0 +1,240 @@ + +1. [PaddleOCR文字识别C#部署-1](https://blog.csdn.net/ch_ccc/article/details/113857304?spm=1001.2014.3001.5501) +2. [PaddleOCR文字识别C#部署-2](https://blog.csdn.net/ch_ccc/article/details/114386308) +3. [PaddleOCR文字识别C#部署-3](https://blog.csdn.net/ch_ccc/article/details/114573779) +`审核人审核文章带点脑子。` +![在这里插入图片描述](https://img-blog.csdnimg.cn/20210324171737288.gif#pic_center) + + +
号外 号外 最新最强更新...
+ +![在这里插入图片描述](https://img-blog.csdnimg.cn/20210413101554186.gif#pic_center) + + +正文: + +Windows下PaddleOCR的C++编译并生成dll + +##### 1. 使用CMake编译PaddleOCR C++文件生成本地化工程文件 +使用CMake编译PaddleOCR C++文件生成本地化工程文件 + +1.1 准备工作 + + +1)安装CMake 3.18.0,Visual Studio 2019,OpenCV 4.5.1三个软件。 +2)PaddleOCR [下载](https://github.com/PaddlePaddle/PaddleOCR)。 +3)根据自己的CUDA和cuDNN版本,下载相应的Paddle官方提供的[Windows预测库](https://www.paddlepaddle.org.cn/documentation/docs/zh/guides/05_inference_deployment/inference/windows_cpp_inference.html),我用的版本是paddle_inference.zip,其他版本未测试。 +4) [推理模型库](https://github.com/PaddlePaddle/PaddleOCR/blob/release/2.0/README_ch.md)准备。 +![在这里插入图片描述](https://img-blog.csdnimg.cn/20210219101052251.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoX2NjYw==,size_16,color_FFFFFF,t_70)![在这里插入图片描述](https://img-blog.csdnimg.cn/20210219101706459.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoX2NjYw==,size_16,color_FFFFFF,t_70)综上,将以上paddle OCR、预测库和模型放在同一文件夹中方便后续添加(无强制要求)。 + +1.2 CMake编译PaddleOCR +本人没有用到GPU,CUDA_LIB未填写,如需用到GPU需要填写CUDA地址。 +CMake编译PaddleOCR可以参考[Windows 下 PaddleOCR C++推理部署 cmake vs2017](https://blog.csdn.net/xingtianyao/article/details/110625756) +![在这里插入图片描述](https://img-blog.csdnimg.cn/2021021910242716.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoX2NjYw==,size_16,color_FFFFFF,t_70) +##### 2. C++生成DLL文件 +CMake PaddleOCR在Configuring done和Generating done后,点击Open Project,即会自动用Visual Studio 2019打开本地化工程文件。建议:利用原始文件先生成ocr_system.exe测试一下,CMake后本地文件可用。 +![在这里插入图片描述](https://img-blog.csdnimg.cn/20210219103021895.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoX2NjYw==,size_16,color_FFFFFF,t_70) +2.1 测试ocr_system.exe +右键-->仅用于项目-->仅生成ocr_system, 生成ocr_system.exe,打开cmd cd到Release目录下,可能会缺失paddle_fluid.dll和opencv_world451.dll动态链接库,从opencv和推理预测库中复制。cmd运行。 + +![在这里插入图片描述](https://img-blog.csdnimg.cn/20210219131545891.png) +```cpp +ocr_system.exe D:\paddle\PaddleOCR\deploy\cpp_infer\tools\config.txt D:\paddle\PaddleOCR\doc\imgs\1.jpg +``` + +在Windows下的终端中执行文件exe时,可能会发生乱码的现象,此时需要在终端中输入 CHCP 65001 ,将终端的编码方式由GBK编码(默认)改为UTF-8编码,更加具体的解释可以参考这篇博客:https://blog.csdn.net/qq_35038153/article/details/78430359。 +———————————————————— + + +![在这里插入图片描述](https://img-blog.csdnimg.cn/20210219131622798.png)![在这里插入图片描述](https://img-blog.csdnimg.cn/20210219132801228.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoX2NjYw==,size_16,color_FFFFFF,t_70)2.2 修改main.cpp 生成dll +右键-->属性 配置属性Release,平台x64,配置类型 动态库dll,比较坑的地方:更改完配置类型 动态库dll后,编译生成仅生成ocr_system还是生成的exe,后续更改了高级:目标文件扩展名。 +![在这里插入图片描述](https://img-blog.csdnimg.cn/20210219133347421.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoX2NjYw==,size_16,color_FFFFFF,t_70) +![在这里插入图片描述](https://img-blog.csdnimg.cn/20210219133941890.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoX2NjYw==,size_16,color_FFFFFF,t_70) +```cpp +#include "glog/logging.h" +#include "omp.h" +#include "opencv2/core.hpp" +#include "opencv2/imgcodecs.hpp" +#include "opencv2/imgproc.hpp" +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +//#include"ocr.h" +using namespace std; +using namespace cv; +using namespace PaddleOCR; + +/* +1.返回框选字体; +2.返回解析字符串 +*/ + +extern "C" __declspec(dllexport) cv::Mat * LoadModel(char* input, int width, int height); +__declspec(dllexport) cv::Mat* LoadModel(char* input, int width, int height) +{ + + OCRConfig config("D:\\Paddle\\PaddleOCR\\deploy\\cpp_infer\\tools\\config.txt"); + + config.PrintConfigInfo(); + + //std::string img_path(argv[2]); + //cv::Mat srcimg = cv::imread(img_path, cv::IMREAD_COLOR); + cv::Mat srcimg(height, width, CV_8UC3, input); + + DBDetector det(config.det_model_dir, config.use_gpu, config.gpu_id, + config.gpu_mem, config.cpu_math_library_num_threads, + config.use_mkldnn, config.max_side_len, config.det_db_thresh, + config.det_db_box_thresh, config.det_db_unclip_ratio, + config.visualize, config.use_tensorrt, config.use_fp16); + + Classifier *cls = nullptr; + if (config.use_angle_cls == true) { + cls = new Classifier(config.cls_model_dir, config.use_gpu, config.gpu_id, + config.gpu_mem, config.cpu_math_library_num_threads, + config.use_mkldnn, config.cls_thresh, + config.use_tensorrt, config.use_fp16); + } + + CRNNRecognizer rec(config.rec_model_dir, config.use_gpu, config.gpu_id, + config.gpu_mem, config.cpu_math_library_num_threads, + config.use_mkldnn, config.char_list_file, + config.use_tensorrt, config.use_fp16); + + auto start = std::chrono::system_clock::now(); + std::vector>> boxes; + // 检测 + cv::Mat ocrImage; + ocrImage= det.Run(srcimg, boxes); + // 识别 + rec.Run(boxes, srcimg, cls); + auto end = std::chrono::system_clock::now(); + auto duration = + std::chrono::duration_cast(end - start); + std::cout << "Cost " + << double(duration.count()) * + std::chrono::microseconds::period::num / + std::chrono::microseconds::period::den + << "s" << std::endl; + cv::Mat gray; + cv::cvtColor(srcimg, gray, COLOR_BGR2GRAY); + return new cv::Mat(ocrImage); +} + +``` + + + + + +##### 3. 使用C#编写界面调用DLL实现文字识别 +将动态链接库libiomp5md.dll 、mkldnn.dll、mklml.dll、ocr_system.dll、opencv_world451.dll、paddle_fluid.dll 添加到c# 项目中.![在这里插入图片描述](https://img-blog.csdnimg.cn/20210219135906268.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoX2NjYw==,size_16,color_FFFFFF,t_70) +```csharp +using System; +using System.Collections.Generic; +using System.ComponentModel; +using System.Data; +using System.Drawing; +using System.Linq; +using System.Text; +using System.Threading.Tasks; +using System.Windows.Forms; +using System.Runtime.InteropServices; + +using OpenCvSharp; +using OpenCvSharp.XImgProc; +namespace WindowsFormsApp1 +{ + public partial class Form1 : Form + { + public Form1() + { + InitializeComponent(); + } + [DllImport("ocr_system.dll", EntryPoint = "LoadModel", SetLastError = true, CharSet = CharSet.Ansi)] + static extern IntPtr LoadModel(byte[] input, int height, int width); //out IntPtr seg_res + private void button1_Click(object sender, EventArgs e) + { + + string image_path = "D://Paddle//PaddleOCR//doc//imgs//1.jpg"; + Bitmap bmp = new Bitmap(image_path); + //pictureBox1.Image = bmp; + int stride; + byte[] source = GetBGRValues(bmp, out stride); + IntPtr seg_img = LoadModel(source, bmp.Width, bmp.Height); //out seg_img + Mat img = new Mat(seg_img); + Bitmap seg_show = new Bitmap(img.Cols, img.Rows, (int)img.Step(), System.Drawing.Imaging.PixelFormat.Format24bppRgb, img.Data); + + pictureBox1.Image = seg_show; + } + // 将Btimap类转换为byte[]类函数 + public static byte[] GetBGRValues(Bitmap bmp, out int stride) + { + var rect = new Rectangle(0, 0, bmp.Width, bmp.Height); + var bmpData = bmp.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadOnly, bmp.PixelFormat); + stride = bmpData.Stride; + var rowBytes = bmpData.Width * Image.GetPixelFormatSize(bmp.PixelFormat) / 8; + var imgBytes = bmp.Height * rowBytes; + byte[] rgbValues = new byte[imgBytes]; + IntPtr ptr = bmpData.Scan0; + for (var i = 0; i < bmp.Height; i++) + { + Marshal.Copy(ptr, rgbValues, i * rowBytes, rowBytes); + ptr += bmpData.Stride; + } + bmp.UnlockBits(bmpData); + return rgbValues; + } + } +} + +``` + +![在这里插入图片描述](https://img-blog.csdnimg.cn/2021021913572858.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoX2NjYw==,size_16,color_FFFFFF,t_70) +特别注意: + 若是与工业相机连接,需要注意图像采集的通道数,PaddleOCR不支持四通道数据输入。如需使用需要将四通道转为3通道RGB。 + +![在这里插入图片描述](https://img-blog.csdnimg.cn/20210226100316603.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoX2NjYw==,size_16,color_FFFFFF,t_70) + + + + +号外 号外 重点来喽!!!! + + +* 全部提取C++ 识别的文字; +* 全部提取 box框的坐标点; +* 全部提取每个字符串的score; + +![在这里插入图片描述](https://img-blog.csdnimg.cn/20210413100747478.gif) + + +提醒:部署以及源代码等相关问题请微信咨询 ..... + + + + +调bug勿扰![在这里插入图片描述](https://img-blog.csdnimg.cn/20210324174728789.gif#pic_center) + + + + +参考: +1. [PaddleOCR 文字识别 c++ win10 安装使用教程](https://blog.csdn.net/qq_38836770/article/details/109548170) +2. [Windows 下 PaddleOCR C++推理部署 cmake vs2017](https://blog.csdn.net/xingtianyao/article/details/110625756) + + + +![在这里插入图片描述](https://img-blog.csdnimg.cn/2021030508391282.jpg?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoX2NjYw==,size_16,color_FFFFFF,t_70#pic_center) + + +