# dbocr

**Repository Path**: ywlydd/dbocr

## Basic Information

- **Project Name**: dbocr
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2022-03-08
- **Last Updated**: 2022-12-12

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# ocr模块



```c++


#ifndef __DBOCR_H__
#define __DBOCR_H__

#ifdef __cplusplus
extern "C"
{
#endif


struct DBOCRAlgo;
// 初始化算法
// config_dir - 配置文件目录
// cam_id  - 摄像头id = 0或1....
struct DBOCRAlgo* dbocr_initAlgo(const char* config_dir);
//int dbocr_openCam(const DBOCRAlgo* handle, int cam_id);
//struct XinuoImage* dbocr_readImage(const char* imgname);
// 释放算法对象
int dbocr_freeAlgo(struct DBOCRAlgo* handle);
// 释放算法对象
int dbocr_setParamInt(struct DBOCRAlgo* handle, int flag, int value);
// 检测一帧图片
// imgname 图片路径，如果为NULL 则从摄像头读取
// roi - 感兴趣框的左上点和右下点坐标 [x1, y1, x2, y2]
// 返回 结果字符串
const char* dbocr_detectOneFrame(struct DBOCRAlgo* handle, const char* imgname, const int* roi);

//int test_ocr(int argc, const char* argv[]);

#ifdef __cplusplus
}
#endif

#endif // !__XINUO_XINUO_H__

```



### C++ 调用例子

```C++

#include "libdbocr.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#ifndef test_libdbocr
#define test_libdbocr main
#endif // test_libxinuo

int test_libdbocr(int argc, char** argv) {
	char config_dir[256] = "./models";
	//if (argc > 1) {		snprintf(config_dir, 256, "%s", argv[1]);	}
	struct DBOCRAlgo* handle = dbocr_initAlgo(config_dir);
	if (!handle) {
		printf("没插加密狗\n");
		system("pause");
		return 0;
	}

	const char* imgs[] = {
		//NULL,
		"test_imgs/1.jpg",
		"test_imgs/2.jpg",
		"test_imgs/3.jpg",
		"test_imgs/4.jpg",
		"test_imgs/5.jpg",
	};
	const int nimgs = sizeof(imgs) / sizeof(imgs[0]);
	const char* out = "";
	for (int i = 0; i < nimgs; ++i) {
		//out = xinuo_detectOneFrame(imgs[i] ? picpath : NULL);
		out = dbocr_detectImageFile(handle, imgs[i], NULL);
		printf("%d %s\n", strlen(out), out ? out : "file not exist");
	}
	dbocr_freeAlgo(handle);
	return 0;
}


```



### C#调用例子

```C#
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Linq;
using System.Runtime.InteropServices;

namespace winform
{
    public partial class VisionForm : Form
    {
// public string config_dir = Application.StartupPath + @"\xinuo\200";
        public string config_dir = @"D:\code\git\ywlydd\dbocr\models";
        //public string logfile = @"D:\bin\xinuoTest\test.log";
        //public string outpath = @"D:\bin\xinuoTest\out";
        public char[] picpath = new char[256];
        IntPtr handle;
        public VisionForm()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                char[] temp = config_dir.ToArray();
                handle = VisionClass.dbocr_initAlgo(temp);//返回非0，初始化成功
                MessageBox.Show(handle.ToString());
            }
            catch(Exception ex)
            {
                MessageBox.Show("初始化失败：" + ex.ToString());
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                OpenFileDialog openfile = new OpenFileDialog();
                openfile.Filter = "*.jpg | *.jpg";//设置文件后缀
                string imgname = @"D:\bin\dbocrTest\test.jpg";
                if (openfile.ShowDialog() == DialogResult.OK)
                {
                    imgname = openfile.FileName;
                }
                else {
                    return;
                }

                char[] temp = imgname.ToArray();
                IntPtr result = VisionClass.dbocr_detectImageFile(handle, temp, null);//检测
                string strRet = Marshal.PtrToStringAnsi(result);
                strRet += "123";
                MessageBox.Show(strRet);
            }
            catch (Exception ex)
            {
                MessageBox.Show("检测失败：" + ex.ToString());
            }
        }
    }
}

```





### 返回

```json
[
    {
        "text":"香港深圳抽血，", //识别结果
        "points":[[433,272],[230,56],[266,22],[469,238]]// 矩形框四个角点
    },
    {
        "text":"专业查性别",
        "points":[[581,304],[340,63],[387,16],[628,257]]
    },
    {
        "text":"专业鉴定B超单",
        "points":[[451,456],[164,136],[214,91],[501,411]]
    },
    {
        "text":"b超仪器查性别",
        "points":[[365,531],[84,195],[137,151],[418,487]]
    },
    {
        "text":"加微信",
        "points":[[130,399],[4,235],[59,193],[185,356]]
    },
    {
        "text":"可邮寄",
        "points":[[575,422],[458,305],[497,266],[614,383]]
    },
    {
        "text":"eee",
        "points":[[208,488],[131,392],[169,362],[246,458]]
    }
]
```