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百度驾驶证C++离线SDK V1.1 C#接入

目录

说明 

效果 

项目

代码

下载 

说明 

自己根据SDK封装了动态库，然后C#调用。

SDK包结构

效果 

项目

代码

using Newtonsoft.Json;
using OpenCvSharp;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
using 驾驶证测试.Commom;

namespace 驾驶证测试
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        string fileFilter = "*.*|*.bmp;*.jpg;*.jpeg;*.tiff;*.tiff;*.png";
        string image_path = "";
        bool isDraw = false;

        private void Form1_Load(object sender, EventArgs e)
        {
            image_path = Application.StartupPath + "\\front_images\\1.png";
            pictureBox1.Image = new Bitmap(image_path);
        }

        private void button4_Click(object sender, EventArgs e)
        {
            image_path = Application.StartupPath + "\\front_images\\1.png";

            Mat image = new Mat(image_path);

            pictureBox1.Image = new Bitmap(image_path);
        }

        private void button5_Click(object sender, EventArgs e)
        {
            image_path = Application.StartupPath + "\\back_images\\1.png";
            pictureBox1.Image = new Bitmap(image_path);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = fileFilter;
            if (ofd.ShowDialog() != DialogResult.OK) return;
            pictureBox1.Image = null;
            image_path = ofd.FileName;
            pictureBox1.Image = new Bitmap(image_path);
            textBox1.Text = "";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (image_path == "")
            {
                return;
            }

            textBox1.Text = "";
            Application.DoEvents();

            string ocr_result1 = "";
            string ocr_result2 = "";
            Mat image = new Mat(image_path);
            Stopwatch stopwatch = new Stopwatch();
            stopwatch.Start();
            int res = DL_OCR_Helper.dl_front_ocr2(image, out ocr_result1, out ocr_result2);
            stopwatch.Stop();
            double totalTime = stopwatch.Elapsed.TotalSeconds;
            textBox1.Text += $"耗时: {totalTime:F2}s";
            textBox1.Text += "\r\n-------------------\r\n";

            if (res == 0)
            {
                Object jsonObject = JsonConvert.DeserializeObject(ocr_result1.ToString());
                textBox1.Text += JsonConvert.SerializeObject(jsonObject, Newtonsoft.Json.Formatting.Indented);

                textBox1.Text += "\r\n-------------------\r\n";

                Object jsonObject2 = JsonConvert.DeserializeObject(ocr_result2.ToString());
                textBox1.Text += JsonConvert.SerializeObject(jsonObject2, Newtonsoft.Json.Formatting.Indented);

                List<OcrRes2> lt = JsonConvert.DeserializeObject<List<OcrRes2>>(ocr_result2.ToString());

                foreach (OcrRes2 item in lt)
                {
                    string[] pts = item.coordinator.Split(' ');

                    //多边形的顶点
                    OpenCvSharp.Point[] points = new OpenCvSharp.Point[]
                    {
                        new OpenCvSharp.Point(Convert.ToDouble( pts[0]), Convert.ToDouble( pts[1])),
                        new OpenCvSharp.Point(Convert.ToDouble( pts[2]), Convert.ToDouble( pts[3])),
                        new OpenCvSharp.Point(Convert.ToDouble( pts[4]), Convert.ToDouble( pts[5])),
                        new OpenCvSharp.Point(Convert.ToDouble( pts[6]), Convert.ToDouble( pts[7])),
                    };

                    // 绘制多边形
                    if (isDraw)
                    {
                        Cv2.Polylines(image, new OpenCvSharp.Point[][] { points }, isClosed: true, color: new Scalar(0, 255, 0), thickness: 3);

                    }
                }
                if (pictureBox1.Image != null)
                {
                    pictureBox1.Image.Dispose();
                    pictureBox1.Image = null;
                }

                pictureBox1.Image = new Bitmap(image.ToMemoryStream());
                image.Dispose();
            }
            else
            {
                textBox1.Text = "识别失败";
            }

        }

        private void button3_Click(object sender, EventArgs e)
        {
            if (image_path == "")
            {
                return;
            }

            textBox1.Text = "";
            Mat image = new Mat(image_path);
            Application.DoEvents();
            string ocr_result1 = "";
            string ocr_result2 = "";
            Stopwatch stopwatch = new Stopwatch();
            stopwatch.Start();
            int res = DL_OCR_Helper.dl_back_ocr2(image, out ocr_result1, out ocr_result2);
            stopwatch.Stop();
            double totalTime = stopwatch.Elapsed.TotalSeconds;
            textBox1.Text += $"耗时: {totalTime:F2}s";
            textBox1.Text += "\r\n-------------------\r\n";
            if (res == 0)
            {
                Object jsonObject = JsonConvert.DeserializeObject(ocr_result1.ToString());
                textBox1.Text += JsonConvert.SerializeObject(jsonObject, Newtonsoft.Json.Formatting.Indented);

                textBox1.Text += "\r\n-------------------\r\n";

                Object jsonObject2 = JsonConvert.DeserializeObject(ocr_result2.ToString());
                textBox1.Text += JsonConvert.SerializeObject(jsonObject2, Newtonsoft.Json.Formatting.Indented);

                List<OcrRes2> lt = JsonConvert.DeserializeObject<List<OcrRes2>>(ocr_result2.ToString());

                foreach (OcrRes2 item in lt)
                {

                    string[] pts = item.coordinator.Split(' ');

                    //多边形的顶点
                    OpenCvSharp.Point[] points = new OpenCvSharp.Point[]
                    {
                        new OpenCvSharp.Point(Convert.ToDouble( pts[0]), Convert.ToDouble( pts[1])),
                        new OpenCvSharp.Point(Convert.ToDouble( pts[2]), Convert.ToDouble( pts[3])),
                        new OpenCvSharp.Point(Convert.ToDouble( pts[4]), Convert.ToDouble( pts[5])),
                        new OpenCvSharp.Point(Convert.ToDouble( pts[6]), Convert.ToDouble( pts[7])),
                    };

                    // 绘制多边形
                    if (isDraw)
                    {
                        Cv2.Polylines(image, new OpenCvSharp.Point[][] { points }, isClosed: true, color: new Scalar(0, 255, 0), thickness: 3);
                    }
                }
                if (pictureBox1.Image != null)
                {
                    pictureBox1.Image.Dispose();
                    pictureBox1.Image = null;
                }
                pictureBox1.Image = new Bitmap(image.ToMemoryStream());
                image.Dispose();
            }
            else
            {
                textBox1.Text = "识别失败";
            }
        }

        private void button6_Click(object sender, EventArgs e)
        {
            DL_OCR_Helper.InitStatus();

            //授权校验 初始化引擎
            string key = "";
            string licenseKeyPath = Application.StartupPath + "\\license\\license.key";
            string licenseFile = Application.StartupPath + "\\license\\license.ini";
            int res = -1;
            string ini_path = "";

            key = File.ReadAllText(licenseKeyPath);

            res = DL_OCR_Helper.dl_front_init_license(key, licenseFile, false);
            if (res != 0)
            {
                MessageBox.Show(DL_OCR_Helper.GetMsg(res));
                return;
            }

            res = DL_OCR_Helper.dl_front_create();
            if (res != 0)
            {
                MessageBox.Show("驾驶证正页创建引擎失败！");
                return;
            }

            ini_path = Application.StartupPath + "\\front_resource";
            res = DL_OCR_Helper.dl_front_init(ini_path);
            if (res != 0)
            {
                MessageBox.Show(DL_OCR_Helper.GetMsg(res));
                return;
            }

            res = DL_OCR_Helper.dl_back_init_license(key, licenseFile, false);
            if (res != 0)
            {
                MessageBox.Show(DL_OCR_Helper.GetMsg(res));
                return;
            }

            res = DL_OCR_Helper.dl_back_create();
            if (res != 0)
            {
                MessageBox.Show("驾驶证副页创建引擎失败！");
                return;
            }

            ini_path = Application.StartupPath + "\\back_resource";
            res = DL_OCR_Helper.dl_back_init(ini_path);
            if (res != 0)
            {
                MessageBox.Show(DL_OCR_Helper.GetMsg(res));
                return;
            }
            MessageBox.Show("初始化成功！");
            button1.Enabled = true;
            button3.Enabled = true;
        }
    }
}

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