/// <summary>
/// Initializes a new instance of the <see cref="T:System.Object"/> class.
/// </summary>
/// <remarks></remarks>
public BoardDetector()
{
this.median = new Median();
this.quadFinder = new QuadrilateralFinder();
this.resize = new ResizeBilinear(640, 480);
this.boardCorners = new List <IntPoint>();
this.oldCorners = new List <List <IntPoint> >();
this.filteredBoard = new Bitmap(640, 480);
this.rectifiedBoard = new Bitmap(640, 480);
}
public static Bitmap TranformImage(Bitmap image)
{
List <IntPoint> corners;
//using (Bitmap workingBitmap = (Bitmap)image.Clone())
using (Bitmap grayscaleBitmap = ConvertToGreyscale(image))
{
DifferenceEdgeDetector detector = new DifferenceEdgeDetector();
detector.ApplyInPlace(grayscaleBitmap);
//grayscaleBitmap.Save(@"D:\k\trash\workingBitmap.jpg");
//todo: threshold value
new Threshold(20).ApplyInPlace(grayscaleBitmap);
//grayscaleBitmap.Save(@"D:\k\trash\workingBitmapAfterThreshold.jpg");
QuadrilateralFinder quadrilateralFinder = new QuadrilateralFinder();
corners = quadrilateralFinder.ProcessImage(grayscaleBitmap);
//todo del
//using (Bitmap clone = workingBitmap.Clone(new Rectangle(0, 0, image.Width, image.Height), PixelFormat.Format32bppArgb))
//{
// foreach (IntPoint corner in corners)
// {
// clone.SetPixel(corner.X, corner.Y, Color.Red);
// //g.
// //g.FillEllipse(Brushes.Red, corner.X -len, corner.Y + len, corner.X + len, corner.Y - len);
// }
// clone.Save(@"D:\k\trash\edgeDifference.jpg");
//}
}
int boundingSquareSideLength = GetBoundingSquareSideLength(corners);
QuadrilateralTransformation quadrilateralTransformation
= new QuadrilateralTransformation(corners, boundingSquareSideLength, boundingSquareSideLength);
Corners = corners;
return(quadrilateralTransformation.Apply(image));
}
public mAnalyzeQuads(Bitmap InitialBitmap)
{
BitmapType = 0;
QuadrilateralFinder cMethod = new QuadrilateralFinder();
//Effect = new CornersMarker(cMethod, CornerColor);
//Effect.Detector = cMethod;
List <IntPoint> corners = cMethod.ProcessImage(InitialBitmap);
foreach (IntPoint corner in corners)
{
Points.Add(new wPoint(corner.X, corner.Y));
}
Sequence.Clear();
Sequence.Add(Effect);
}
public void picback()
{
Bitmap temp1;
Bitmap temp2;
Bitmap temp3;
Bitmap temp4;
Bitmap temp5;
Bitmap temp6;
Bitmap temp7;
Bitmap temp8;
Bitmap temp9;
Bitmap temp10;
Bitmap sourceImage;
//新建轮廓过滤器
CannyEdgeDetector filter = new CannyEdgeDetector();
//生成颜色过滤器
ColorFiltering colorFilter = new ColorFiltering();
//将颜色过滤器设置为白色
colorFilter.Red = new IntRange(50, 255);
colorFilter.Green = new IntRange(50, 255);
colorFilter.Blue = new IntRange(50, 255);
//从摄像头中截取图像
sourceImage = videoSourcePlayer1.GetCurrentVideoFrame();
//将原图格式化复制
temp1 = AForge.Imaging.Image.Clone(sourceImage, sourceImage.PixelFormat);
//清除sourceImage占用
sourceImage.Dispose();
//sourceImage = temp1;
int Height = temp1.Size.Height;
int Width = temp1.Size.Width;
//pictureBox1是原图
//pictureBox1.Image = temp1;
//从temp1提取颜色
temp2 = filter.Apply(temp1.PixelFormat != PixelFormat.Format8bppIndexed ?
Grayscale.CommonAlgorithms.BT709.Apply(temp1) : temp1);
//pictureBox2原图轮廓
//pictureBox2.Image = temp2;
//从temp1进行颜色过滤
temp5 = colorFilter.Apply(temp1);
//pictureBox5原图轮廓
//pictureBox5.Image = temp5;
//从temp5进行灰度转化
temp3 = new Grayscale(0.2125, 0.7154, 0.0721).Apply(temp5);
//pictureBox3灰度转化
//pictureBox3.Image = temp3;
//从temp3进行二值化
temp4 = new Threshold(10).Apply(temp3);
//pictureBox4是二值化后的图
//pictureBox4.Image = temp4;
//temp7去噪点后的图
temp7 = new BlobsFiltering(40, 40, temp4.Width, temp4.Height).Apply(temp4);
//pictureBox7.Image = temp7;
//temp6先原图格式化复制
temp6 = AForge.Imaging.Image.Clone(temp7, temp1.PixelFormat);
temp8 = temp6;
try
{
QuadrilateralFinder qf = new QuadrilateralFinder();//获取三角形、四边形角点
List <IntPoint> corners = qf.ProcessImage(temp6);
//进行角点转换
corners = CornersChange(corners, temp6.Size.Width, temp6.Size.Height);
//生成四角变换过滤器
QuadrilateralTransformation filter2 = new QuadrilateralTransformation(corners, 1920, 1040);
//对原图temp1进行四角型变换
temp8 = filter2.Apply(temp1);
}
catch
{
}
//temp9为temp8的复制
temp9 = AForge.Imaging.Image.Clone(temp8, temp1.PixelFormat);
//pictureBox8.Image = temp8;
//生成一个新的过滤器
ColorFiltering colorFilter2 = new ColorFiltering();
colorFilter2.Red = new IntRange(100, 255);
colorFilter2.Green = new IntRange(100, 255);
colorFilter2.Blue = new IntRange(0, 90);
//提取颜色
temp5 = colorFilter2.Apply(temp9);
//灰度转化
temp3 = new Grayscale(0.2125, 0.7154, 0.0721).Apply(temp5);
//二值化
temp4 = new Threshold(10).Apply(temp3);
//去噪点
temp7 = new BlobsFiltering(40, 40, temp4.Width, temp4.Height).Apply(temp4);
temp6 = AForge.Imaging.Image.Clone(temp7, temp9.PixelFormat);
temp10 = AForge.Imaging.Image.Clone(temp6, temp6.PixelFormat);
pictureBox8.Image = temp10;
try
{
QuadrilateralFinder qf = new QuadrilateralFinder();//获取三角形、四边形角点
List <IntPoint> corners = qf.ProcessImage(temp6);
corners = CornersChange(corners, temp6.Size.Width, temp6.Size.Height);
Rectangle rect = new Rectangle();
rect = Screen.GetWorkingArea(this);
string path = OriPath + "\\SourceInputImage.jpg";
Bitmap bt = new Bitmap(path);
//初始化一个和屏幕面积一样大小的bitmap且格式和bt一样
DisplayBitmap = new Bitmap(rect.Width, rect.Height, bt.PixelFormat);
Graphics g = Graphics.FromImage(DisplayBitmap);
g.FillRectangle(Brushes.White, new Rectangle(0, 0, rect.Width, rect.Height));//这句实现填充矩形的功能
AForge.Imaging.Filters.BackwardQuadrilateralTransformation Bfilter = new AForge.Imaging.Filters.BackwardQuadrilateralTransformation(bt, corners);
temp10 = Bfilter.Apply(DisplayBitmap);
//string testsavepath = OriPath + "\\SourcePic.bmp";
//DisplayBitmap.Save(testsavepath);
/*
* BitmapData data = temp6.LockBits(new Rectangle(0, 0, temp6.Width, temp6.Height),
* ImageLockMode.ReadWrite, temp6.PixelFormat);
* Drawing.Polygon(data, corners, Color.Red);
* for (int i = 0; i < corners.Count; i++)
* {
* Drawing.FillRectangle(data,
* new Rectangle(corners[i].X - 2, corners[i].Y - 2, 10, 10),
* Color.Red);
* }
*
* temp6.UnlockBits(data);
*/
}
catch
{
}
pictureBox9.Image = temp10;
}
public void picshow()
{
Bitmap temp1;
Bitmap temp2;
Bitmap temp3;
Bitmap temp4;
Bitmap temp5;
Bitmap temp7;
Bitmap temp8;
Bitmap temp9;
Bitmap sourceImage;
//新建轮廓过滤器
CannyEdgeDetector filter = new CannyEdgeDetector();
//生成颜色过滤器
ColorFiltering colorFilter = new ColorFiltering();
//白色
colorFilter.Red = new IntRange(50, 255);
colorFilter.Green = new IntRange(50, 255);
colorFilter.Blue = new IntRange(50, 255);
//从摄像头中截取图像
sourceImage = videoSourcePlayer1.GetCurrentVideoFrame();
//将原图格式化复制
temp1 = AForge.Imaging.Image.Clone(sourceImage, sourceImage.PixelFormat);
sourceImage.Dispose();
sourceImage = temp1;
int Height = sourceImage.Size.Height;
int Width = sourceImage.Size.Width;
//pictureBox1是原图
pictureBox1.Image = temp1;
//pictureBox2原图轮廓
temp2 = filter.Apply(sourceImage.PixelFormat != PixelFormat.Format8bppIndexed ?
Grayscale.CommonAlgorithms.BT709.Apply(sourceImage) : sourceImage);
pictureBox2.Image = temp2;
//pictureBox5提取颜色后的图
temp5 = colorFilter.Apply(temp1);
pictureBox5.Image = temp5;
//pictureBox3灰度转化后的图
temp3 = new Grayscale(0.2125, 0.7154, 0.0721).Apply(temp5);
pictureBox3.Image = temp3;
//pictureBox4二值化后的图
temp4 = new Threshold(10).Apply(temp3);
pictureBox4.Image = temp4;
//pictureBox7去噪点后的图
temp7 = new BlobsFiltering(40, 40, temp4.Width, temp4.Height).Apply(temp4);
pictureBox7.Image = temp7;
Bitmap temp6 = AForge.Imaging.Image.Clone(temp7, temp1.PixelFormat);
temp8 = temp6;
try
{
QuadrilateralFinder qf = new QuadrilateralFinder();//获取三角形、四边形角点
List <IntPoint> corners = qf.ProcessImage(temp6);
/*
* BlobCounter extractor = new BlobCounter();
* extractor.FilterBlobs = true;
* extractor.MinWidth = extractor.MinHeight = 150;
* extractor.MaxWidth = extractor.MaxHeight = 350;
* extractor.ProcessImage(temp6);
*
* foreach (Blob blob in extractor.GetObjectsInformation())
* {
* // 获取边缘点
* List<IntPoint> edgePoints = extractor.GetBlobsEdgePoints(blob);
* // 利用边缘点，在原始图像上找到四角
* corners = PointsCloud.FindQuadrilateralCorners(edgePoints);
* }
*/
corners = CornersChange(corners, temp6.Size.Width, temp6.Size.Height);
QuadrilateralTransformation filter2 = new QuadrilateralTransformation(corners, 384, 216);
temp8 = filter2.Apply(temp1);
}
catch
{
}
//pictureBox8原图中的投影经过四边形转换后的图
temp9 = AForge.Imaging.Image.Clone(temp8, temp1.PixelFormat);
pictureBox8.Image = temp8;
//亮黄
ColorFiltering colorFilter2 = new ColorFiltering();
colorFilter2.Red = new IntRange(100, 255);
colorFilter2.Green = new IntRange(100, 255);
colorFilter2.Blue = new IntRange(0, 90);
//提取颜色
temp5 = colorFilter2.Apply(temp9);
pictureBox5.Image = temp5;
//灰度转化
temp3 = new Grayscale(0.2125, 0.7154, 0.0721).Apply(temp5);
pictureBox3.Image = temp3;
//二值化
temp4 = new Threshold(10).Apply(temp3);
//去噪点
temp7 = new BlobsFiltering(40, 40, temp4.Width, temp4.Height).Apply(temp4);
temp6 = AForge.Imaging.Image.Clone(temp7, temp9.PixelFormat);
temp9 = temp6;
try
{
QuadrilateralFinder qf = new QuadrilateralFinder();//获取三角形、四边形角点
List <IntPoint> corners = qf.ProcessImage(temp6);
corners = CornersChange(corners, temp6.Size.Width, temp6.Size.Height);
QuadrilateralTransformation filter2 = new QuadrilateralTransformation(corners, 384, 216);
BitmapData data = temp6.LockBits(new Rectangle(0, 0, temp6.Width, temp6.Height),
ImageLockMode.ReadWrite, temp6.PixelFormat);
Drawing.Polygon(data, corners, Color.Red);
for (int i = 0; i < corners.Count; i++)
{
Drawing.FillRectangle(data,
new Rectangle(corners[i].X - 2, corners[i].Y - 2, 10, 10),
Color.Red);
}
float juli = (corners[0].Y + corners[3].Y - corners[1].Y - corners[2].Y) / 2;
label1.Text = ((int)((400 - juli) / 7.5)).ToString();
temp6.UnlockBits(data);
}
catch
{
}
pictureBox9.Image = temp9;
}