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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Tri_Optique
{
public partial class Form1 : Form
{
private int[] pixelR0;
private int[] pixelV0;
private int[] pixelB0;
private int[] pixel0;
private int[] pixelRRef;
private int[] pixelBRef;
private int[] pixelVRef;
private int[] pixelRef;
private int[] tabB;
private int[] tabR;
private int[] tabV;
public Form1()
{
InitializeComponent();
}
private void quitterToolStripMenuItem_Click(object sender, EventArgs e)
{
Close();
}
private void pToolStripMenuItem_Click(object sender, EventArgs e)
{
Config_Parametres fenetre = new Config_Parametres();
fenetre.ShowDialog();
}
private void nouvelleConfigurationParApprentissageToolStripMenuItem_Click(object sender, EventArgs e)
{
Config_Apprentissage fenetre = new Config_Apprentissage();
fenetre.ShowDialog();
}
private void button_Ouvrir_Click(object sender, EventArgs e)
{
Bitmap image = new Bitmap("E:\\images bouchons\\image31.bmp");
pictureBox_Video.Image = image;
Bitmap imageref = new Bitmap("E:\\images bouchons\\image_ref.bmp");
pictureBox_imageRef.Image = imageref;
//conversion de l'image en tableau pour exploitation
int i, j;
int dimX = image.Width;
int dimY = image.Height;
int nb = dimX * dimY;
pixelR0 = new int[nb];
pixelV0 = new int[nb];
pixelB0 = new int[nb];
pixel0 = new int[nb];
BitmapData imageP = image.LockBits(new Rectangle(Point.Empty, image.Size), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
// Récupération des plans R, V, B...
unsafe
{
Byte* pPixel = (Byte*)imageP.Scan0;
for (int y = 0; y < dimY; y++)
{
for (int x = 0; x < dimX; x++)
{
i = y * dimX + x; j = 3 * x;
pixelB0[i] = pPixel[j];
pixelV0[i] = pPixel[j + 1];
pixelR0[i] = pPixel[j + 2];
}
pPixel += imageP.Stride;
}
}
image.UnlockBits(imageP);
//conversion de l'image de référence en tableau pour exploitation
i = 0;
j = 0;
int dimXref = image.Width;
int dimYref = image.Height;
int nbref = dimXref * dimYref;
pixelRRef = new int[nbref];
pixelVRef = new int[nbref];
pixelBRef = new int[nbref];
pixelRef = new int[nbref];
BitmapData imagePref = imageref.LockBits(new Rectangle(Point.Empty, imageref.Size), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
// Récupération des plans R, V, B...
unsafe
{
Byte* pPixel = (Byte*)imagePref.Scan0;
for (int y = 0; y < dimYref; y++)
{
for (int x = 0; x < dimXref; x++)
{
i = y * dimXref + x; j = 3 * x;
pixelRRef[i] = pPixel[j];
pixelVRef[i] = pPixel[j + 1];
pixelBRef[i] = pPixel[j + 2];
}
pPixel += imagePref.Stride;
}
}
imageref.UnlockBits(imagePref);
i=0;
j=0;
for (j=0; j<300; j++)
{ for (i=0; i<4096; i++)
tabB[4096*j+i]=pixelB0[4096*j+i]-pixelBRef[4096*j+i];
tabR[4096 * j + i] = pixelB0[4096 * j + i] - pixelBRef[4096 * j + i];
tabV[4096 * j + i] = pixelB0[4096 * j + i] - pixelBRef[4096 * j + i];
}
}
}
} |
Tableaux et pointeurs
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, GetPixel et SetPixel sont un gouffre en terme de performance
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