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济南 网站建设,今日新闻头条热点,网站是怎么做,利用关键词进网站后台目录 说明 效果 模型 项目 代码 下载 参考 C# OpenCvSharp 部署文档矫正，包括文档扭曲/模糊/阴影等情况 说明 地址：https://github.com/RapidAI/RapidUnDistort 修正文档扭曲/模糊/阴影等情况，使用onnx模型简单轻量部署&#xff0c…

目录

说明

效果

模型

项目

代码

下载

参考

C# OpenCvSharp 部署文档矫正，包括文档扭曲/模糊/阴影等情况

说明

地址：https://github.com/RapidAI/RapidUnDistort

修正文档扭曲/模糊/阴影等情况，使用onnx模型简单轻量部署，未来持续跟进最新最好的文档矫正方案和模型,Correct document distortion using a lightweight ONNX model for easy deployment. We will continue to follow and integrate the latest and best document correction solutions and models in the future. 

效果

模型

drnet.onnx

Model Properties
-------------------------
---------------------------------------------------------------

Inputs
-------------------------
name：input
tensor：Float[-1, 6, -1, -1]
---------------------------------------------------------------

Outputs
-------------------------
name：output
tensor：Float[-1, 3, -1, -1]
---------------------------------------------------------------

gcnet.onnx

Model Properties
-------------------------
---------------------------------------------------------------

Inputs
-------------------------
name：input
tensor：Float[-1, 3, -1, -1]
---------------------------------------------------------------

Outputs
-------------------------
name：output
tensor：Float[-1, 3, -1, -1]
---------------------------------------------------------------

nafdpm.onnx

Model Properties
-------------------------
---------------------------------------------------------------

Inputs
-------------------------
name：input
tensor：Float[-1, 3, -1, -1]
---------------------------------------------------------------

Outputs
-------------------------
name：output
tensor：Float[-1, -1, -1, -1]
---------------------------------------------------------------

unetcnn.onnx

Model Properties
-------------------------
---------------------------------------------------------------

Inputs
-------------------------
name：input
tensor：Float[-1, 3, -1, -1]
---------------------------------------------------------------

Outputs
-------------------------
name：output
tensor：Float[-1, 1, -1, -1]
---------------------------------------------------------------

uvdoc.onnx

Model Properties
-------------------------
---------------------------------------------------------------

Inputs
-------------------------
name：input
tensor：Float[-1, 3, -1, -1]
---------------------------------------------------------------

Outputs
-------------------------
name：output
tensor：Float[-1, 2, -1, -1]
name：546
tensor：Float[-1, 3, -1, -1]
---------------------------------------------------------------

项目

代码

using OpenCvSharp;
using System;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;

namespace DocumentUndistort
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        Stopwatch stopwatch = new Stopwatch();
        Mat image;
        Mat out_img;
        string image_path;
        string startupPath;
        string fileFilter = "*.*|*.bmp;*.jpg;*.jpeg;*.tiff;*.tiff;*.png";
        const string DllName = "DocumentUndistortSharp.dll";
        IntPtr engine;

        /*
         //初始化
        extern "C" _declspec(dllexport) int __cdecl  init(void** engine, char* binary_model_path, char* unblur_model_path, char* unshadow_model_gcnet_path, char* unshadow_model_drnet_path, char* unwrap_model_path, char* msg);

        //binary
        extern "C" _declspec(dllexport) int __cdecl  binary(void* engine, Mat* srcimg, char* msg, Mat* out_img);

        //unblur
        extern "C" _declspec(dllexport) int __cdecl  unblur(void* engine, Mat* srcimg, char* msg, Mat* out_img);

        //unshadow
        extern "C" _declspec(dllexport) int __cdecl  unshadow(void* engine, Mat* srcimg, char* msg, Mat* out_img);

        //unwrap
        extern "C" _declspec(dllexport) int __cdecl  unwrap(void* engine, Mat* srcimg, char* msg, Mat* out_img);

        //openCvBilateral
        extern "C" _declspec(dllexport) int __cdecl  openCvBilateral(Mat* srcimg, char* msg, Mat* out_img);

        //释放
        extern "C" _declspec(dllexport) void __cdecl destroy(void* engine);
         */


        [DllImport(DllName, EntryPoint = "init", CallingConvention = CallingConvention.Cdecl)]
        internal extern static int init(ref IntPtr engine, string binary_model_path, string unblur_model_path, string unshadow_model_gcnet_path, string unshadow_model_drnet_path, string unwrap_model_path, StringBuilder msg);

        [DllImport(DllName, EntryPoint = "binary", CallingConvention = CallingConvention.Cdecl)]
        internal extern static int binary(IntPtr engine, IntPtr srcimg, StringBuilder msg, IntPtr out_img);

        [DllImport(DllName, EntryPoint = "unblur", CallingConvention = CallingConvention.Cdecl)]
        internal extern static int unblur(IntPtr engine, IntPtr srcimg, StringBuilder msg, IntPtr out_img);

        [DllImport(DllName, EntryPoint = "unshadow", CallingConvention = CallingConvention.Cdecl)]
        internal extern static int unshadow(IntPtr engine, IntPtr srcimg, StringBuilder msg, IntPtr out_img);

        [DllImport(DllName, EntryPoint = "unwrap", CallingConvention = CallingConvention.Cdecl)]
        internal extern static int unwrap(IntPtr engine, IntPtr srcimg, StringBuilder msg, IntPtr out_img);

        [DllImport(DllName, EntryPoint = "openCvBilateral", CallingConvention = CallingConvention.Cdecl)]
        internal extern static int openCvBilateral(IntPtr srcimg, StringBuilder msg, IntPtr out_img);

        [DllImport(DllName, EntryPoint = "destroy", CallingConvention = CallingConvention.Cdecl)]
        internal extern static int destroy(IntPtr engine);

        private void button1_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = fileFilter;
            if (ofd.ShowDialog() != DialogResult.OK) return;

            pictureBox1.Image = null;
            pictureBox2.Image = null;
            textBox1.Text = "";

            image_path = ofd.FileName;
            pictureBox1.Image = new Bitmap(image_path);
            image = new Mat(image_path);
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            startupPath = Application.StartupPath;

            string binary_model_path = startupPath + "\\model\\unetcnn.onnx";
            string unblur_model_path = startupPath + "\\model\\nafdpm.onnx";
            string unshadow_model_gcnet_path = startupPath + "\\model\\gcnet.onnx";
            string unshadow_model_drnet_path = startupPath + "\\model\\drnet.onnx";
            string unwrap_model_path = startupPath + "\\model\\uvdoc.onnx";

            StringBuilder msg = new StringBuilder(512);

            int res = init(ref engine, binary_model_path, unblur_model_path, unshadow_model_gcnet_path, unshadow_model_drnet_path, unwrap_model_path, msg);
            if (res == -1)
            {
                MessageBox.Show(msg.ToString());
                return;
            }
            else
            {
                Console.WriteLine(msg.ToString());
            }
            image_path = startupPath + "\\test_img\\2.jpg";
            pictureBox1.Image = new Bitmap(image_path);
            image = new Mat(image_path);
        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            destroy(engine);
        }

        /// <summary>
        /// unwrap
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button2_Click(object sender, EventArgs e)
        {
            if (image_path == "")
            {
                return;
            }

            textBox1.Text = "执行中……";
            Application.DoEvents();

            if (image != null) image.Dispose();
            if (out_img != null) out_img.Dispose();
            if (pictureBox1.Image != null) pictureBox1.Image.Dispose();

            StringBuilder msg = new StringBuilder(512);
            image = new Mat(image_path);
            out_img = new Mat();

            stopwatch.Restart();

            int res = unwrap(engine, image.CvPtr, msg, out_img.CvPtr);
            if (res == 0)
            {
                stopwatch.Stop();
                double costTime = stopwatch.Elapsed.TotalMilliseconds;
                pictureBox2.Image = new Bitmap(out_img.ToMemoryStream());
                textBox1.Text = $"耗时:{costTime:F2}ms";
            }
            else
            {
                textBox1.Text = "失败," + msg.ToString();
            }
        }

        /// <summary>
        /// openCvBilateral
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button7_Click(object sender, EventArgs e)
        {
            if (image_path == "")
            {
                return;
            }

            textBox1.Text = "执行中……";
            Application.DoEvents();

            if (image != null) image.Dispose();
            if (out_img != null) out_img.Dispose();
            if (pictureBox1.Image != null) pictureBox1.Image.Dispose();

            StringBuilder msg = new StringBuilder(512);
            image = new Mat(image_path);
            out_img = new Mat();

            stopwatch.Restart();

            int res = openCvBilateral(image.CvPtr, msg, out_img.CvPtr);
            if (res == 0)
            {
                stopwatch.Stop();
                double costTime = stopwatch.Elapsed.TotalMilliseconds;
                pictureBox2.Image = new Bitmap(out_img.ToMemoryStream());
                textBox1.Text = $"耗时:{costTime:F2}ms";
            }
            else
            {
                textBox1.Text = "失败," + msg.ToString();
            }
        }

        /// <summary>
        /// unshadow
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button6_Click(object sender, EventArgs e)
        {
            if (image_path == "")
            {
                return;
            }

            textBox1.Text = "执行中……";
            Application.DoEvents();

            if (image != null) image.Dispose();
            if (out_img != null) out_img.Dispose();
            if (pictureBox1.Image != null) pictureBox1.Image.Dispose();

            StringBuilder msg = new StringBuilder(512);
            image = new Mat(image_path);
            out_img = new Mat();

            stopwatch.Restart();

            int res = unshadow(engine, image.CvPtr, msg, out_img.CvPtr);
            if (res == 0)
            {
                stopwatch.Stop();
                double costTime = stopwatch.Elapsed.TotalMilliseconds;
                pictureBox2.Image = new Bitmap(out_img.ToMemoryStream());
                textBox1.Text = $"耗时:{costTime:F2}ms";
            }
            else
            {
                textBox1.Text = "失败," + msg.ToString();
            }
        }

        /// <summary>
        /// unblur
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button5_Click(object sender, EventArgs e)
        {
            if (image_path == "")
            {
                return;
            }

            textBox1.Text = "执行中……";
            Application.DoEvents();

            if (image != null) image.Dispose();
            if (out_img != null) out_img.Dispose();
            if (pictureBox1.Image != null) pictureBox1.Image.Dispose();

            StringBuilder msg = new StringBuilder(512);
            image = new Mat(image_path);
            out_img = new Mat();

            stopwatch.Restart();

            int res = unblur(engine, image.CvPtr, msg, out_img.CvPtr);
            if (res == 0)
            {
                stopwatch.Stop();
                double costTime = stopwatch.Elapsed.TotalMilliseconds;
                pictureBox2.Image = new Bitmap(out_img.ToMemoryStream());
                textBox1.Text = $"耗时:{costTime:F2}ms";
            }
            else
            {
                textBox1.Text = "失败," + msg.ToString();
            }
        }

        /// <summary>
        /// binary
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button4_Click(object sender, EventArgs e)
        {
            if (image_path == "")
            {
                return;
            }

            textBox1.Text = "执行中……";
            Application.DoEvents();

            if (image != null) image.Dispose();
            if (out_img != null) out_img.Dispose();
            if (pictureBox1.Image != null) pictureBox1.Image.Dispose();

            StringBuilder msg = new StringBuilder(512);
            image = new Mat(image_path);
            out_img = new Mat();

            stopwatch.Restart();

            int res = binary(engine, image.CvPtr, msg, out_img.CvPtr);
            if (res == 0)
            {
                stopwatch.Stop();
                double costTime = stopwatch.Elapsed.TotalMilliseconds;
                pictureBox2.Image = new Bitmap(out_img.ToMemoryStream());
                textBox1.Text = $"耗时:{costTime:F2}ms";
            }
            else
            {
                textBox1.Text = "失败," + msg.ToString();
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            if (pictureBox2.Image == null)
            {
                return;
            }
            Bitmap output = new Bitmap(pictureBox2.Image);
            var sdf = new SaveFileDialog();
            sdf.Title = "保存";
            sdf.Filter = "Images (*.jpg)|*.jpg|Images (*.png)|*.png|Images (*.bmp)|*.bmp";
            if (sdf.ShowDialog() == DialogResult.OK)
            {
                switch (sdf.FilterIndex)
                {
                    case 1:
                        {
                            output.Save(sdf.FileName, ImageFormat.Jpeg);
                            break;
                        }
                    case 2:
                        {
                            output.Save(sdf.FileName, ImageFormat.Png);
                            break;
                        }
                    case 3:
                        {
                            output.Save(sdf.FileName, ImageFormat.Bmp);
                            break;
                        }
                }
                MessageBox.Show("保存成功，位置：" + sdf.FileName);
            }
        }
    }
}
 

using OpenCvSharp;
using System;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;namespace DocumentUndistort
{public partial class Form1 : Form{public Form1(){InitializeComponent();}Stopwatch stopwatch = new Stopwatch();Mat image;Mat out_img;string image_path;string startupPath;string fileFilter = "*.*|*.bmp;*.jpg;*.jpeg;*.tiff;*.tiff;*.png";const string DllName = "DocumentUndistortSharp.dll";IntPtr engine;/*//初始化extern "C" _declspec(dllexport) int __cdecl  init(void** engine, char* binary_model_path, char* unblur_model_path, char* unshadow_model_gcnet_path, char* unshadow_model_drnet_path, char* unwrap_model_path, char* msg);//binaryextern "C" _declspec(dllexport) int __cdecl  binary(void* engine, Mat* srcimg, char* msg, Mat* out_img);//unblurextern "C" _declspec(dllexport) int __cdecl  unblur(void* engine, Mat* srcimg, char* msg, Mat* out_img);//unshadowextern "C" _declspec(dllexport) int __cdecl  unshadow(void* engine, Mat* srcimg, char* msg, Mat* out_img);//unwrapextern "C" _declspec(dllexport) int __cdecl  unwrap(void* engine, Mat* srcimg, char* msg, Mat* out_img);//openCvBilateralextern "C" _declspec(dllexport) int __cdecl  openCvBilateral(Mat* srcimg, char* msg, Mat* out_img);//释放extern "C" _declspec(dllexport) void __cdecl destroy(void* engine);*/[DllImport(DllName, EntryPoint = "init", CallingConvention = CallingConvention.Cdecl)]internal extern static int init(ref IntPtr engine, string binary_model_path, string unblur_model_path, string unshadow_model_gcnet_path, string unshadow_model_drnet_path, string unwrap_model_path, StringBuilder msg);[DllImport(DllName, EntryPoint = "binary", CallingConvention = CallingConvention.Cdecl)]internal extern static int binary(IntPtr engine, IntPtr srcimg, StringBuilder msg, IntPtr out_img);[DllImport(DllName, EntryPoint = "unblur", CallingConvention = CallingConvention.Cdecl)]internal extern static int unblur(IntPtr engine, IntPtr srcimg, StringBuilder msg, IntPtr out_img);[DllImport(DllName, EntryPoint = "unshadow", CallingConvention = CallingConvention.Cdecl)]internal extern static int unshadow(IntPtr engine, IntPtr srcimg, StringBuilder msg, IntPtr out_img);[DllImport(DllName, EntryPoint = "unwrap", CallingConvention = CallingConvention.Cdecl)]internal extern static int unwrap(IntPtr engine, IntPtr srcimg, StringBuilder msg, IntPtr out_img);[DllImport(DllName, EntryPoint = "openCvBilateral", CallingConvention = CallingConvention.Cdecl)]internal extern static int openCvBilateral(IntPtr srcimg, StringBuilder msg, IntPtr out_img);[DllImport(DllName, EntryPoint = "destroy", CallingConvention = CallingConvention.Cdecl)]internal extern static int destroy(IntPtr engine);private void button1_Click(object sender, EventArgs e){OpenFileDialog ofd = new OpenFileDialog();ofd.Filter = fileFilter;if (ofd.ShowDialog() != DialogResult.OK) return;pictureBox1.Image = null;pictureBox2.Image = null;textBox1.Text = "";image_path = ofd.FileName;pictureBox1.Image = new Bitmap(image_path);image = new Mat(image_path);}private void Form1_Load(object sender, EventArgs e){startupPath = Application.StartupPath;string binary_model_path = startupPath + "\\model\\unetcnn.onnx";string unblur_model_path = startupPath + "\\model\\nafdpm.onnx";string unshadow_model_gcnet_path = startupPath + "\\model\\gcnet.onnx";string unshadow_model_drnet_path = startupPath + "\\model\\drnet.onnx";string unwrap_model_path = startupPath + "\\model\\uvdoc.onnx";StringBuilder msg = new StringBuilder(512);int res = init(ref engine, binary_model_path, unblur_model_path, unshadow_model_gcnet_path, unshadow_model_drnet_path, unwrap_model_path, msg);if (res == -1){MessageBox.Show(msg.ToString());return;}else{Console.WriteLine(msg.ToString());}image_path = startupPath + "\\test_img\\2.jpg";pictureBox1.Image = new Bitmap(image_path);image = new Mat(image_path);}private void Form1_FormClosed(object sender, FormClosedEventArgs e){destroy(engine);}/// <summary>/// unwrap/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button2_Click(object sender, EventArgs e){if (image_path == ""){return;}textBox1.Text = "执行中……";Application.DoEvents();if (image != null) image.Dispose();if (out_img != null) out_img.Dispose();if (pictureBox1.Image != null) pictureBox1.Image.Dispose();StringBuilder msg = new StringBuilder(512);image = new Mat(image_path);out_img = new Mat();stopwatch.Restart();int res = unwrap(engine, image.CvPtr, msg, out_img.CvPtr);if (res == 0){stopwatch.Stop();double costTime = stopwatch.Elapsed.TotalMilliseconds;pictureBox2.Image = new Bitmap(out_img.ToMemoryStream());textBox1.Text = $"耗时:{costTime:F2}ms";}else{textBox1.Text = "失败," + msg.ToString();}}/// <summary>/// openCvBilateral/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button7_Click(object sender, EventArgs e){if (image_path == ""){return;}textBox1.Text = "执行中……";Application.DoEvents();if (image != null) image.Dispose();if (out_img != null) out_img.Dispose();if (pictureBox1.Image != null) pictureBox1.Image.Dispose();StringBuilder msg = new StringBuilder(512);image = new Mat(image_path);out_img = new Mat();stopwatch.Restart();int res = openCvBilateral(image.CvPtr, msg, out_img.CvPtr);if (res == 0){stopwatch.Stop();double costTime = stopwatch.Elapsed.TotalMilliseconds;pictureBox2.Image = new Bitmap(out_img.ToMemoryStream());textBox1.Text = $"耗时:{costTime:F2}ms";}else{textBox1.Text = "失败," + msg.ToString();}}/// <summary>/// unshadow/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button6_Click(object sender, EventArgs e){if (image_path == ""){return;}textBox1.Text = "执行中……";Application.DoEvents();if (image != null) image.Dispose();if (out_img != null) out_img.Dispose();if (pictureBox1.Image != null) pictureBox1.Image.Dispose();StringBuilder msg = new StringBuilder(512);image = new Mat(image_path);out_img = new Mat();stopwatch.Restart();int res = unshadow(engine, image.CvPtr, msg, out_img.CvPtr);if (res == 0){stopwatch.Stop();double costTime = stopwatch.Elapsed.TotalMilliseconds;pictureBox2.Image = new Bitmap(out_img.ToMemoryStream());textBox1.Text = $"耗时:{costTime:F2}ms";}else{textBox1.Text = "失败," + msg.ToString();}}/// <summary>/// unblur/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button5_Click(object sender, EventArgs e){if (image_path == ""){return;}textBox1.Text = "执行中……";Application.DoEvents();if (image != null) image.Dispose();if (out_img != null) out_img.Dispose();if (pictureBox1.Image != null) pictureBox1.Image.Dispose();StringBuilder msg = new StringBuilder(512);image = new Mat(image_path);out_img = new Mat();stopwatch.Restart();int res = unblur(engine, image.CvPtr, msg, out_img.CvPtr);if (res == 0){stopwatch.Stop();double costTime = stopwatch.Elapsed.TotalMilliseconds;pictureBox2.Image = new Bitmap(out_img.ToMemoryStream());textBox1.Text = $"耗时:{costTime:F2}ms";}else{textBox1.Text = "失败," + msg.ToString();}}/// <summary>/// binary/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button4_Click(object sender, EventArgs e){if (image_path == ""){return;}textBox1.Text = "执行中……";Application.DoEvents();if (image != null) image.Dispose();if (out_img != null) out_img.Dispose();if (pictureBox1.Image != null) pictureBox1.Image.Dispose();StringBuilder msg = new StringBuilder(512);image = new Mat(image_path);out_img = new Mat();stopwatch.Restart();int res = binary(engine, image.CvPtr, msg, out_img.CvPtr);if (res == 0){stopwatch.Stop();double costTime = stopwatch.Elapsed.TotalMilliseconds;pictureBox2.Image = new Bitmap(out_img.ToMemoryStream());textBox1.Text = $"耗时:{costTime:F2}ms";}else{textBox1.Text = "失败," + msg.ToString();}}private void button3_Click(object sender, EventArgs e){if (pictureBox2.Image == null){return;}Bitmap output = new Bitmap(pictureBox2.Image);var sdf = new SaveFileDialog();sdf.Title = "保存";sdf.Filter = "Images (*.jpg)|*.jpg|Images (*.png)|*.png|Images (*.bmp)|*.bmp";if (sdf.ShowDialog() == DialogResult.OK){switch (sdf.FilterIndex){case 1:{output.Save(sdf.FileName, ImageFormat.Jpeg);break;}case 2:{output.Save(sdf.FileName, ImageFormat.Png);break;}case 3:{output.Save(sdf.FileName, ImageFormat.Bmp);break;}}MessageBox.Show("保存成功，位置：" + sdf.FileName);}}}
}

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源码下载

参考

https://github.com/hpc203/document-undistort-onnxrun

http://www.ds6.com.cn/news/62188.html

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