質問編集履歴
2
インシデントを修正しました
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@@ -25,129 +25,133 @@
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namespace 二値化とサイズ変更
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{
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public partial class Form1 : Form
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public partial class Form1 : Form
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{
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{
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public Form1()
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public Form1()
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{
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{
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InitializeComponent();
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InitializeComponent();
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}
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}
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Bitmap bmp1_im1;//資料画像（原画像）のビットマップ
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Bitmap bmp1_im1;//資料画像（原画像）のビットマップ
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Bitmap bmp1_im2;//資料画像（二値化後）のビットマップ
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Bitmap bmp1_im2;//資料画像（二値化後）のビットマップ
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Bitmap bmp1_im3;//資料画像（フィルタ処理後）のビットマップ
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Bitmap bmp1_im3;//資料画像（フィルタ処理後）のビットマップ
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PictureBox pb1, pb2, pb3;
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private void Form1_Load(object sender, EventArgs e)
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{
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pb1 = pictureBox1;
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pb2 = pictureBox2;
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pb3 = pictureBox3;
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private void Form1_Load(object sender, EventArgs e)
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}
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pb1 = pictureBox1;
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pb2 = pictureBox2;
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pb3 = pictureBox3;
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private void File_Open_Click(object sender, EventArgs e)
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{
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if (openFileDialog1.ShowDialog() == DialogResult.OK)
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{
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Image im1 = Image.FromFile(openFileDialog1.FileName);
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DrawPicture1(im1);
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}
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}
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}
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private void File_Open_Click(object sender, EventArgs e)
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{
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if (openFileDialog1.ShowDialog() == DialogResult.OK)
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{
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Image im1 = Image.FromFile(openFileDialog1.FileName);
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DrawPicture1(im1)
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private void DrawPicture1(Image im1)
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}
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}
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{
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double a;
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int maxsize = 200;
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if (im1.Width < maxsize && im1.Height < maxsize)
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{
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{
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pb1.Width = pb1.Height = maxsize;
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Rectangle rect1 = new Rectangle(0, 0, im1.Width, im1.Height);//イメージのサイズ
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Rectangle rect2 = new Rectangle(0, 0, pb1.Width, pb1.Height);//PictureBox1のサイズ
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bmp1_im1 = new Bitmap(pb1.Width, pb1.Height);
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Graphics g = Graphics.FromImage(bmp1_im1);
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g.DrawImage(im1, rect2, rect1, GraphicsUnit.Pixel);
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g.Dispose();
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pb1.Image = bmp1_im1;
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}
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else
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{
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if (im1.Width > im1.Height)
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{
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/*a = (double)maxsize / (double)im1.Width;*/
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pb1.Width = maxsize;
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pb1.Height = maxsize /* (int)(a * im1.Height)*/;
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}
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else
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{
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/*a = (double)maxsize / (double)im1.Height;*/
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pb1.Height = maxsize;
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pb1.Width =maxsize /*(int)(a * im1.Width)*/;
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}
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Rectangle rect3 = new Rectangle(0, 0, im1.Width, im1.Height);//イメージのサイズ
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Rectangle rect4 = new Rectangle(0, 0, pb1.Width, pb1.Height);//PictureBox1のサイズ
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bmp1_im1 = new Bitmap(pb1.Width, pb1.Height);
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Graphics g = Graphics.FromImage(bmp1_im1);
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g.DrawImage(im1, rect4, rect3, GraphicsUnit.Pixel);
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g.Dispose();
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pb1.Image = bmp1_im1;
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}
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}
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private void File_SaveBMP_Click(object sender, EventArgs e)
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{
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{
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if (saveFileDialog1.ShowDialog() == DialogResult.OK)
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Rectangle rect1 = new Rectangle(0, 0, im1.Width, im1.Height);//イメージのサイズ
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Rectangle rect2 = new Rectangle(0, 0, pb1.Width, pb1.Height);//PictureBox1のサイズ
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bmp1_im1 = new Bitmap(pb1.Width, pb1.Height);
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{
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pb2.Image.Save(saveFileDialog1.FileName, ImageFormat.Bmp);
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g.Dispose();
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pb1.Image = bmp1_im1;
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}
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}
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else
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{
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if (im1.Width > im1.Height)
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{
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/*a = (double)maxsize / (double)im1.Width;*/
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pb1.Width = maxsize;
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pb1.Height = maxsize /* (int)(a * im1.Height)*/;
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}
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}
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else
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{
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/*a = (double)maxsize / (double)im1.Height;*/
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pb1.Height = maxsize;
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pb1.Width =maxsize /*(int)(a * im1.Width)*/;
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}
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Rectangle rect3 = new Rectangle(0, 0, im1.Width, im1.Height);//イメージのサイズ
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Rectangle rect4 = new Rectangle(0, 0, pb1.Width, pb1.Height);//PictureBox1のサイズ
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bmp1_im1 = new Bitmap(pb1.Width, pb1.Height);
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Graphics g = Graphics.FromImage(bmp1_im1);
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g.DrawImage(im1, rect4, rect3, GraphicsUnit.Pixel);
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g.Dispose();
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pb1.Image = bmp1_im1;
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}
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}
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private void
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private void P_GrayScale_Click(object sender, EventArgs e)
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{
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{
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int i, j, nx, ny;
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int gray;
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Color col;
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nx = pb3.Width;
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ny = pb3.Height;
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bmp1_im2 = new Bitmap (pb3.Image);
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for (j = 0; j < ny; j++)
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for (i = 0; i < nx; i++)
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{
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{
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col = bmp1_im2.GetPixel(i, j);
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if (col.R > 200 && col.B > 200 && col.G > 200) gray = 255;
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else gray = 0;
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bmp1_im2.SetPixel(i, j, Color.FromArgb(gray, gray, gray));
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}
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}
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pb2.Image = bmp1_im2;
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}
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}
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private void gausian_Click(object sender, EventArgs e)
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{
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int nx, ny;
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int gray;
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private void P_GrayScale_Click(object sender, EventArgs e)
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{
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int i, j, nx, ny;
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int gray;
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Color col;
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nx =
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nx = pb1.Width;
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ny =
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ny = pb1.Height;
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bmp1_im2 = new Bitmap (pb3.Image);
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for (j = 0; j < ny; j++)
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for (i = 0; i < nx; i++)
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{
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col = bmp1_im2.GetPixel(i, j);
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if (col.R > 200 && col.B > 200 && col.G > 200) gray = 255;
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else gray = 0;
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bmp1_im2.SetPixel(i, j, Color.FromArgb(gray, gray, gray));
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}
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pb2.Image = bmp1_im2;
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}
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// 画像の読み込み(グレースケールに変換)
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bmp1_im3 = new Bitmap(pb1.Image);
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{
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int nx, ny;
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int gray;
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// フィルタ用のカーネル
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const int kernelSize = 3; // カーネルサイズ
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double[,] kernel = new double[kernelSize, kernelSize]{
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{1/16.0, 1/8.0, 1/16.0},
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{1/8.0, 1/4.0, 1/8.0},
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{1/16.0, 1/8.0, 1/16.0}};
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/* フィルタ処理
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bmp1_im3 = Filter(pb3.Image, kernel);
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*/
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pb3.Image = bmp1_im3;
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}
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bmp1_im3 = new Bitmap(pb1.Image);
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// フィルタ用のカーネル
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const int kernelSize = 3; // カーネルサイズ
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double[,] kernel = new double[kernelSize, kernelSize]{
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{1/16.0, 1/8.0, 1/16.0},
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{1/8.0, 1/4.0, 1/8.0},
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{1/16.0, 1/8.0, 1/16.0}};
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/* フィルタ処理
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bmp1_im3 = Filter(pb3.Image, kernel); ←ここの部分です
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}
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pb3.Image = bmp1_im3;
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}
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}
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}
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```
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156
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153
157
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### 試したこと
|
1
Markdownを利用するように言われたので、そこを修正しました。
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -1,8 +1,17 @@
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|
|
1
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-
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1
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+
### 前提・実現したいこと
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2
2
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3
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-
C#で画像処理
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3
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+
C#で元画像をガウシアンフィルタでフィルタ処理した後に、二値化するという作業をしています。
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4
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-
下の
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4
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+
フィルタ機能を実装中に以下のエラーメッセージが発生しました。
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5
5
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6
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### 発生している問題・エラーメッセージ
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7
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+
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8
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```
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9
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+
名前'Filter'は現在のコンテキスト内に存在しません。
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10
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+
```
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11
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+
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12
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### 該当のソースコード
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13
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+
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14
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+
```C#
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6
15
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using System;
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7
16
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using System.Collections.Generic;
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8
17
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using System.ComponentModel;
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|
@@ -16,134 +25,136 @@
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16
25
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17
26
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namespace 二値化とサイズ変更
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|
18
27
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{
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|
19
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-
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28
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+
public partial class Form1 : Form
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|
20
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-
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29
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+
{
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21
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-
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30
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+
public Form1()
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22
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-
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31
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+
{
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23
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-
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32
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+
InitializeComponent();
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24
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-
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33
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+
}
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25
34
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26
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-
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35
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+
Bitmap bmp1_im1;//資料画像（原画像）のビットマップ
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27
|
-
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36
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+
Bitmap bmp1_im2;//資料画像（二値化後）のビットマップ
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28
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-
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37
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+
Bitmap bmp1_im3;//資料画像（フィルタ処理後）のビットマップ
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29
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-
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30
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-
PictureBox pb1, pb2, pb3;
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31
38
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32
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-
private void Form1_Load(object sender, EventArgs e)
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33
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-
{
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34
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-
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39
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PictureBox pb1, pb2, pb3;
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35
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-
pb2 = pictureBox2;
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36
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-
pb3 = pictureBox3;
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37
40
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41
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+
private void Form1_Load(object sender, EventArgs e)
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38
|
-
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42
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+
{
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43
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pb1 = pictureBox1;
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44
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pb2 = pictureBox2;
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45
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pb3 = pictureBox3;
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39
46
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|
40
|
-
private void File_Open_Click(object sender, EventArgs e)
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|
41
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-
{
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42
|
-
if (openFileDialog1.ShowDialog() == DialogResult.OK)
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43
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-
{
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44
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-
Image im1 = Image.FromFile(openFileDialog1.FileName);
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45
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-
DrawPicture1(im1);
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46
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-
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47
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+
}
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47
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-
}
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48
48
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|
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49
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+
private void File_Open_Click(object sender, EventArgs e)
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50
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+
{
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51
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+
if (openFileDialog1.ShowDialog() == DialogResult.OK)
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52
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+
{
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53
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+
Image im1 = Image.FromFile(openFileDialog1.FileName);
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49
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-
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54
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DrawPicture1(im1);
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55
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+
}
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56
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}
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50
57
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51
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-
{
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52
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-
double a;
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53
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-
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58
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+
private void DrawPicture1(Image im1)
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54
59
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55
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-
if (im1.Width < maxsize && im1.Height < maxsize)
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56
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-
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60
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+
{
|
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57
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-
pb1.Width = pb1.Height = maxsize;
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58
|
-
Rectangle rect1 = new Rectangle(0, 0, im1.Width, im1.Height);//イメージのサイズ
|
|
59
|
-
Rectangle rect2 = new Rectangle(0, 0, pb1.Width, pb1.Height);//PictureBox1のサイズ
|
|
60
|
-
bmp1_im1 = new Bitmap(pb1.Width, pb1.Height);
|
|
61
|
-
Graphics g = Graphics.FromImage(bmp1_im1);
|
|
62
|
-
g.DrawImage(im1, rect2, rect1, GraphicsUnit.Pixel);
|
|
63
|
-
|
|
61
|
+
double a;
|
|
64
|
-
pb1.Image = bmp1_im1;
|
|
65
|
-
}
|
|
66
|
-
else
|
|
67
|
-
{
|
|
68
|
-
if (im1.Width > im1.Height)
|
|
69
|
-
{
|
|
70
|
-
/*a = (double)maxsize / (double)im1.Width;*/
|
|
71
|
-
|
|
62
|
+
int maxsize = 200;
|
|
72
|
-
pb1.Height = maxsize /* (int)(a * im1.Height)*/;
|
|
73
|
-
}
|
|
74
|
-
else
|
|
75
|
-
{
|
|
76
|
-
/*a = (double)maxsize / (double)im1.Height;*/
|
|
77
|
-
pb1.Height = maxsize;
|
|
78
|
-
pb1.Width =maxsize /*(int)(a * im1.Width)*/;
|
|
79
|
-
}
|
|
80
|
-
Rectangle rect3 = new Rectangle(0, 0, im1.Width, im1.Height);//イメージのサイズ
|
|
81
|
-
Rectangle rect4 = new Rectangle(0, 0, pb1.Width, pb1.Height);//PictureBox1のサイズ
|
|
82
|
-
bmp1_im1 = new Bitmap(pb1.Width, pb1.Height);
|
|
83
|
-
Graphics g = Graphics.FromImage(bmp1_im1);
|
|
84
|
-
g.DrawImage(im1, rect4, rect3, GraphicsUnit.Pixel);
|
|
85
|
-
g.Dispose();
|
|
86
|
-
pb1.Image = bmp1_im1;
|
|
87
|
-
}
|
|
88
|
-
}
|
|
89
63
|
|
|
90
|
-
|
|
64
|
+
if (im1.Width < maxsize && im1.Height < maxsize)
|
|
91
|
-
|
|
65
|
+
{
|
|
66
|
+
pb1.Width = pb1.Height = maxsize;
|
|
67
|
+
Rectangle rect1 = new Rectangle(0, 0, im1.Width, im1.Height);//イメージのサイズ
|
|
68
|
+
Rectangle rect2 = new Rectangle(0, 0, pb1.Width, pb1.Height);//PictureBox1のサイズ
|
|
69
|
+
bmp1_im1 = new Bitmap(pb1.Width, pb1.Height);
|
|
70
|
+
Graphics g = Graphics.FromImage(bmp1_im1);
|
|
92
|
-
|
|
71
|
+
g.DrawImage(im1, rect2, rect1, GraphicsUnit.Pixel);
|
|
72
|
+
g.Dispose();
|
|
73
|
+
pb1.Image = bmp1_im1;
|
|
74
|
+
}
|
|
75
|
+
else
|
|
93
|
-
|
|
76
|
+
{
|
|
77
|
+
if (im1.Width > im1.Height)
|
|
78
|
+
{
|
|
79
|
+
/*a = (double)maxsize / (double)im1.Width;*/
|
|
80
|
+
pb1.Width = maxsize;
|
|
94
|
-
|
|
81
|
+
pb1.Height = maxsize /* (int)(a * im1.Height)*/;
|
|
95
|
-
|
|
82
|
+
}
|
|
83
|
+
else
|
|
84
|
+
{
|
|
85
|
+
/*a = (double)maxsize / (double)im1.Height;*/
|
|
86
|
+
pb1.Height = maxsize;
|
|
87
|
+
pb1.Width =maxsize /*(int)(a * im1.Width)*/;
|
|
96
|
-
|
|
88
|
+
}
|
|
89
|
+
Rectangle rect3 = new Rectangle(0, 0, im1.Width, im1.Height);//イメージのサイズ
|
|
90
|
+
Rectangle rect4 = new Rectangle(0, 0, pb1.Width, pb1.Height);//PictureBox1のサイズ
|
|
91
|
+
bmp1_im1 = new Bitmap(pb1.Width, pb1.Height);
|
|
92
|
+
Graphics g = Graphics.FromImage(bmp1_im1);
|
|
93
|
+
g.DrawImage(im1, rect4, rect3, GraphicsUnit.Pixel);
|
|
94
|
+
g.Dispose();
|
|
95
|
+
pb1.Image = bmp1_im1;
|
|
96
|
+
}
|
|
97
|
+
}
|
|
97
98
|
|
|
98
|
-
|
|
99
|
+
private void File_SaveBMP_Click(object sender, EventArgs e)
|
|
99
|
-
|
|
100
|
+
{
|
|
100
|
-
int i, j, nx, ny;
|
|
101
|
-
int gray;
|
|
102
|
-
Color col;
|
|
103
|
-
nx = pb3.Width;
|
|
104
|
-
ny = pb3.Height;
|
|
105
|
-
|
|
101
|
+
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
|
|
106
|
-
for (j = 0; j < ny; j++)
|
|
107
|
-
for (i = 0; i < nx; i++)
|
|
108
|
-
|
|
102
|
+
{
|
|
109
|
-
col = bmp1_im2.GetPixel(i, j);
|
|
110
|
-
if (col.R > 200 && col.B > 200 && col.G > 200) gray = 255;
|
|
111
|
-
else gray = 0;
|
|
112
|
-
|
|
103
|
+
pb2.Image.Save(saveFileDialog1.FileName, ImageFormat.Bmp);
|
|
113
|
-
|
|
104
|
+
}
|
|
114
|
-
pb2.Image = bmp1_im2;
|
|
115
|
-
|
|
105
|
+
}
|
|
116
|
-
|
|
117
|
-
|
|
118
|
-
private void gausian_Click(object sender, EventArgs e)
|
|
119
|
-
{
|
|
120
|
-
int nx, ny;
|
|
121
|
-
int gray;
|
|
122
106
|
|
|
107
|
+
private void P_GrayScale_Click(object sender, EventArgs e)
|
|
108
|
+
{
|
|
109
|
+
int i, j, nx, ny;
|
|
110
|
+
int gray;
|
|
111
|
+
Color col;
|
|
123
|
-
|
|
112
|
+
nx = pb3.Width;
|
|
124
|
-
|
|
113
|
+
ny = pb3.Height;
|
|
114
|
+
bmp1_im2 = new Bitmap (pb3.Image);
|
|
115
|
+
for (j = 0; j < ny; j++)
|
|
116
|
+
for (i = 0; i < nx; i++)
|
|
117
|
+
{
|
|
118
|
+
col = bmp1_im2.GetPixel(i, j);
|
|
119
|
+
if (col.R > 200 && col.B > 200 && col.G > 200) gray = 255;
|
|
120
|
+
else gray = 0;
|
|
121
|
+
bmp1_im2.SetPixel(i, j, Color.FromArgb(gray, gray, gray));
|
|
122
|
+
}
|
|
123
|
+
pb2.Image = bmp1_im2;
|
|
124
|
+
}
|
|
125
125
|
|
|
126
|
-
// 画像の読み込み(グレースケールに変換)
|
|
127
|
-
|
|
126
|
+
private void gausian_Click(object sender, EventArgs e)
|
|
127
|
+
{
|
|
128
|
+
int nx, ny;
|
|
129
|
+
int gray;
|
|
128
130
|
|
|
131
|
+
nx = pb1.Width;
|
|
132
|
+
ny = pb1.Height;
|
|
133
|
+
|
|
134
|
+
// 画像の読み込み(グレースケールに変換)
|
|
135
|
+
bmp1_im3 = new Bitmap(pb1.Image);
|
|
136
|
+
|
|
129
|
-
|
|
137
|
+
// フィルタ用のカーネル
|
|
130
|
-
|
|
138
|
+
const int kernelSize = 3; // カーネルサイズ
|
|
131
|
-
|
|
139
|
+
double[,] kernel = new double[kernelSize, kernelSize]{
|
|
132
|
-
|
|
140
|
+
{1/16.0, 1/8.0, 1/16.0},
|
|
133
|
-
|
|
141
|
+
{1/8.0, 1/4.0, 1/8.0},
|
|
134
|
-
|
|
142
|
+
{1/16.0, 1/8.0, 1/16.0}};
|
|
135
|
-
|
|
143
|
+
/* フィルタ処理
|
|
136
|
-
|
|
144
|
+
bmp1_im3 = Filter(pb3.Image, kernel); ←ここの部分です
|
|
137
|
-
|
|
145
|
+
*/
|
|
138
|
-
|
|
146
|
+
pb3.Image = bmp1_im3;
|
|
139
|
-
|
|
140
|
-
|
|
147
|
+
|
|
141
|
-
}
|
|
142
148
|
}
|
|
149
|
+
}
|
|
150
|
+
}
|
|
151
|
+
```
|
|
143
152
|
|
|
144
|
-
|
|
153
|
+
### 試したこと
|
|
145
154
|
|
|
155
|
+
'Filter'の定義をしないとだめだと思い、試しましたがエラーがでるだけで、使用できませんでした。フィルタ処理の知識がないプログラム初心者ですみません。
|
|
156
|
+
|
|
146
157
|
### 補足情報（FW/ツールのバージョンなど）
|
|
147
158
|
|
|
148
|
-
|
|
159
|
+
大学のPCで visual studio 2005でコードを書いています。
|
|
149
|
-
|
|
160
|
+
※詳しいデザイン画面を貼るので少しおまちください。
|