當麻許的超技八

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>

<Root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

  <Row>

        <use>0</use>

        <page>1</page>

        <pic_file_name>a.jpg</pic_file_name>

        <product_name>A商品</product_name>

        <url>http://www.msdn.com</url>

    </Row>

    <Row>

        <use>1</use>

        <page>1</page>

        <pic_file_name>b.jpg</pic_file_name>

        <product_name>B商品</product_name>

        <url>http://www.msdn.com</url>

    </Row>

    <Row>

        <use>2</use>

        <page>1</page>

        <pic_file_name>c.jpg</pic_file_name>

        <product_name>C商品</product_name>

        <url>http://www.msdn.com</url>

    </Row>

    <Row>

        <use>3</use>

        <page>2</page>

        <pic_file_name>d.jpg</pic_file_name>

        <product_name>D商品</product_name>

        <url>http://www.msdn.com</url>

    </Row>

    <Row>

        <use>4</use>

        <page>2</page>

        <pic_file_name>e.jpg</pic_file_name>

        <product_name>E商品</product_name>

        <url>http://www.msdn.com</url>

    </Row>

</Root>

Response.Write(Request.Form["id"]+","+Request.Form["age"]+".");

public static bool IsSkinColor(byte r, byte g, byte b)

{

   // 公式 1 : http://www.codeproject.com/Articles/38176/Image-Processing-Skin-Detection-Some-Filters-and-E

   //return ( (r > 95) && (g > 40) && (b < 20)) && ( (Math.Max(Math.Max(r, g), b)) - (Math.Min(Math.Min(r, g), b)) > 15) &&

   //       (Math.Abs(r - g) > 15) && (r > g) && (r > b) ||

   //       ( (r > 220) && (g > 210) && (b > 170) && (Math.Abs(r - g) == 15) && (r > b) && (g > b));

   // 公式 2 :http://www.codeproject.com/Articles/38176/Image-Processing-Skin-Detection-Some-Filters-and-E

   //if (r == 0 || b == 0 || g == 0) return false; 

   //return ((r/g) > 1.185) && (((r*b)/((r + g + b)*(r + g + b))) > 0.107) &&

   //       (((r*g)/((r + g + b)*(r + g + b))) > 0.112);

   // 公式 3 :http://www.codeproject.com/Articles/8127/Skin-Recognition-in-C

   //double I = (Math.Log(r) + Math.Log(b) + Math.Log(g)) / 3;

   //double Rg = Math.Log(r) - Math.Log(g);

   //double By = Math.Log(b) - (Math.Log(g) + Math.Log(r)) / 2;

   //double hue = Math.Atan2(Rg, By) * (180 / Math.PI);

   //if (I <= 5 && (hue >= 4 && hue <= 255))

   //{

   //    return true;

   //}

   //else

   //{

   //    return false;

   //}

   // 公式四 : http://w3.ualg.pt/~ftomaz/download/dicta2003.pdf

   var Cb = (0.148 * r) - (0.291 * g) + (0.439 * b) + 128;

   var Cr = (0.439 * r) - (0.368 * g) - (0.071 * b) + 128;

   if ((r > 95 && g > 40 && b > 20 && (Math.Max(Math.Max(r, g),

   b) - Math.Min(Math.Min(r, g), b) > 15) && (r - g) > 15 &&

   r > g && r > b) &&

   (Cr > 140 && Cr < 162 || Cb > 105 && Cb < 130))

   {

       return true; 

   }

   else

   {

       return false; 

   } 

}

// 建立3x3 矩陣 拉普拉斯

//  -1  -1  -1    (0,0) | (1,0) | (2,0) 

//  -1  +9  -1    (0,1) | (1,1) | (2,1)

//  -1  +1  -1    (0,2) | (1,2) | (2,2)

/// <summary>

/// 純紅濾鏡

/// </summary>

/// <param name="bitmap">Bitmap</param>

/// <param name="threshold">門檻值 -255~255</param>

/// <returns></returns>

public System.Drawing.Bitmap AdjustToRed(System.Drawing.Bitmap bitmap, int threshold)

{

    for (int y = 0; y < bitmap.Height; y++)

    {

        for (int x = 0; x < bitmap.Width; x++)

        {

            // 取得每一個 pixel

            var pixel = bitmap.GetPixel(x, y);

            var pR = pixel.R + threshold;

            pR = Math.Max(pR, 0);

            pR = Math.Min(255, pR);

            // 將改過的 RGB 寫回

            // 只寫入紅色的值 , G B 都放零

            System.Drawing.Color newColor = System.Drawing.Color.FromArgb(pixel.A, pR, 0, 0);

            bitmap.SetPixel(x, y, newColor);

        }

    }

    // 回傳結果

    return bitmap;

}