Win8 Metro(C#)数字图像处理--3.5图像形心计算
原文:Win8 Metro(C#)数字图像处理--3.5图像形心计算
/// <summary>
/// Get the center of the object in an image.
/// </summary>
/// <param name="src">The source image.</param>
/// <returns></returns>
public static int[] CenterPoints(WriteableBitmap src)
{
if (src != null)
{
int[] Centerpoint = new int[2];
int M00 = 0, M01 = 0, M10 = 0;
int w = src.PixelWidth;
int h = src.PixelHeight;
int b=0,g=0,r=0;
byte[] temp = src.PixelBuffer.ToArray();
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w * 4; x += 4)
{
b = temp[x + y * w * 4];
g = temp[x + 1 + y * w * 4];
r = temp[x + 2 + y * w * 4];
if (r + g + b != 0)
{
M00++;
M01 += y;
M10 += x;
}
}
}
Centerpoint[0] = (int)(M10 / M00);
Centerpoint[1] = (int)(M01 / M00);
return Centerpoint;
}
else
{
return null;
}
}
最后,分享一个专业的图像处理网站(微像素),里面有很多源代码下载:
/// <summary>
/// Get the center of the object in an image.
/// </summary>
/// <param name="src">The source image.</param>
/// <returns></returns>
public static int[] CenterPoints(WriteableBitmap src)
{
if (src != null)
{
int[] Centerpoint = new int[2];
int M00 = 0, M01 = 0, M10 = 0;
int w = src.PixelWidth;
int h = src.PixelHeight;
int b=0,g=0,r=0;
byte[] temp = src.PixelBuffer.ToArray();
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w * 4; x += 4)
{
b = temp[x + y * w * 4];
g = temp[x + 1 + y * w * 4];
r = temp[x + 2 + y * w * 4];
if (r + g + b != 0)
{
M00++;
M01 += y;
M10 += x;
}
}
}
Centerpoint[0] = (int)(M10 / M00);
Centerpoint[1] = (int)(M01 / M00);
return Centerpoint;
}
else
{
return null;
}
}
最后,分享一个专业的图像处理网站(微像素),里面有很多源代码下载: