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AForge.NET SobelEdgeDetector (C#)

2012-09-16 08:18 232 查看

http://zip.nvp.com.tw/forum.php?mod=viewthread&tid=2301&extra=page%3D15

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.Drawing.Imaging;

using AForge;

using AForge.Imaging;

using AForge.Imaging.Filters;

namespace AForge_SobelEdgeDetector_CSharp

{

public partial class Form1 : Form

{

      public Form1()

      {

         InitializeComponent();

      }

      private void button1_Click(object sender, EventArgs e)

      {

         Bitmap sourceImage, filteredImage;

         Bitmap temp;

         SobelEdgeDetector filter = new SobelEdgeDetector();

         sourceImage = (Bitmap)System.Drawing.Image.FromFile(Application.StartupPath + @"..\..\..\sample2.jpg");

         if (pictureBox1.Image != null)

         {

            pictureBox1.Image.Dispose();

            pictureBox1.Image = null;

         }

         if (pictureBox2.Image != null)

         {

            pictureBox2.Image.Dispose();

            pictureBox2.Image = null;

         }

         temp = AForge.Imaging.Image.Clone(sourceImage, sourceImage.PixelFormat);

         sourceImage.Dispose();

         sourceImage = temp;

         pictureBox1.Image = sourceImage;

         filteredImage = filter.Apply(sourceImage.PixelFormat != PixelFormat.Format8bppIndexed ? Grayscale.CommonAlgorithms.BT709.Apply(sourceImage) : sourceImage);

         pictureBox2.Image = filteredImage;

      }

}

}

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标签： c# null button filter object class

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