// =========================================================
/// <summary>
/// This function will display markings at specified locations on the image offset from the center of the image
/// </summary>
public void DrawMarks(ref Bitmap image, List <PointF> points, Color color, int size)
{
try {
using (Image <Bgr, Byte> img = new Image <Bgr, byte>(image)) {
foreach (var pt in points)
{
PointF p = new PointF(pt.X + videoCapture.FrameCenterX, videoCapture.FrameCenterY - pt.Y);
var cross = new Cross2DF(p, size, size);
img.Draw(cross, new Bgr(color), 2);
}
image = img.ToBitmap();
}
} catch {
}
}
void ComputeDenseOpticalFlow()
{
faceGrayImage = grayFrame;
faceNextGrayImage = nextGrayFrame;
// Compute dense optical flow using Horn and Schunk algo
velx = new Image <Gray, float>(faceGrayImage.Size);
vely = new Image <Gray, float>(faceNextGrayImage.Size);
OpticalFlow.HS(faceGrayImage, faceNextGrayImage, true, velx, vely, 0.1d, new MCvTermCriteria(100));
#region Dense Optical Flow Drawing
Size winSize = new Size(10, 10);
vectorFieldX = (int)Math.Round((double)faceGrayImage.Width / winSize.Width);
vectorFieldY = (int)Math.Round((double)faceGrayImage.Height / winSize.Height);
sumVectorFieldX = 0f;
sumVectorFieldY = 0f;
vectorField = new PointF[vectorFieldX][];
for (int i = 0; i < vectorFieldX; i++)
{
vectorField[i] = new PointF[vectorFieldY];
for (int j = 0; j < vectorFieldY; j++)
{
Gray velx_gray = velx[j * winSize.Width, i *winSize.Width];
float velx_float = (float)velx_gray.Intensity;
Gray vely_gray = vely[j * winSize.Height, i *winSize.Height];
float vely_float = (float)vely_gray.Intensity;
sumVectorFieldX += velx_float;
sumVectorFieldY += vely_float;
vectorField[i][j] = new PointF(velx_float, vely_float);
Cross2DF cr = new Cross2DF(
new PointF((i * winSize.Width) + trackingArea.X,
(j * winSize.Height) + trackingArea.Y),
1, 1);
opticalFlowFrame.Draw(cr, new Bgr(Color.Red), 1);
LineSegment2D ci = new LineSegment2D(
new Point((i * winSize.Width) + trackingArea.X,
(j * winSize.Height) + trackingArea.Y),
new Point((int)((i * winSize.Width) + trackingArea.X + velx_float),
(int)((j * winSize.Height) + trackingArea.Y + vely_float)));
opticalFlowFrame.Draw(ci, new Bgr(Color.Yellow), 1);
}
}
#endregion
}
void DrawDenseOpticalFlow()
{
int winSizeX = 2;
int winSizeY = 2;
vectorFieldX = (int)Math.Round((double)_currentTrackedGrayImage.Width / winSizeX);
vectorFieldY = (int)Math.Round((double)_currentTrackedGrayImage.Height / winSizeY);
sumVectorFieldX = 0f;
sumVectorFieldY = 0f;
vectorField = new PointF[vectorFieldX][];
for (int i = 0; i < vectorFieldX; i++)
{
vectorField[i] = new PointF[vectorFieldY];
for (int j = 0; j < vectorFieldY; j++)
{
Gray velx_gray = velx[j * winSizeX, i *winSizeX];
float velx_float = (float)velx_gray.Intensity;
Gray vely_gray = vely[j * winSizeY, i *winSizeY];
float vely_float = (float)vely_gray.Intensity;
sumVectorFieldX += velx_float;
sumVectorFieldY += vely_float;
vectorField[i][j] = new PointF(velx_float, vely_float);
Cross2DF cr = new Cross2DF(
new PointF((i * winSizeX) + _trackingArea.X,
(j * winSizeY) + _trackingArea.Y),
1, 1);
_opticalFlowFrame.Draw(cr, new Bgr(Color.Red), 1);
LineSegment2D ci = new LineSegment2D(
new Point((i * winSizeX) + _trackingArea.X,
(j * winSizeY) + _trackingArea.Y),
new Point((int)((i * winSizeX) + _trackingArea.X + velx_float),
(int)((j * winSizeY) + _trackingArea.Y + vely_float)));
_opticalFlowFrame.Draw(ci, new Bgr(Color.Yellow), 1);
}
}
}
public void Draw(string a)
{
if (_show && _ForShow != null)
{
LineSegment2D ci = new LineSegment2D();
Cross2DF cr = new Cross2DF();
switch (a)
{
case "Average":
int ii = vectorFieldX / 2;
int jj = vectorFieldY / 2;
SetImgROI(_ForShow, _ROI_center, _ROI_size);
cr = new Cross2DF(new PointF(ii * _winSize.Width, jj * _winSize.Height), 2, 2);
_ForShow.Draw(cr, new Bgr(Color.Red), 5);
float vecval = 20;
if (Direction == 1)
{
ci = new LineSegment2D(new Point(ii * _winSize.Width, jj * _winSize.Height), new Point((int)((ii * _winSize.Width) + 0), (int)((jj * _winSize.Height) - vecval)));
}
if (Direction == 2)
{
ci = new LineSegment2D(new Point(ii * _winSize.Width, jj * _winSize.Height), new Point((int)((ii * _winSize.Width) + vecval), (int)((jj * _winSize.Height) - vecval)));
}
if (Direction == 3)
{
ci = new LineSegment2D(new Point(ii * _winSize.Width, jj * _winSize.Height), new Point((int)((ii * _winSize.Width) + vecval), (int)((jj * _winSize.Height) + 0)));
}
if (Direction == 4)
{
ci = new LineSegment2D(new Point(ii * _winSize.Width, jj * _winSize.Height), new Point((int)((ii * _winSize.Width) + vecval), (int)((jj * _winSize.Height) + vecval)));
}
if (Direction == 5)
{
ci = new LineSegment2D(new Point(ii * _winSize.Width, jj * _winSize.Height), new Point((int)((ii * _winSize.Width) + 0), (int)((jj * _winSize.Height) + vecval)));
}
if (Direction == 6)
{
ci = new LineSegment2D(new Point(ii * _winSize.Width, jj * _winSize.Height), new Point((int)((ii * _winSize.Width) - vecval), (int)((jj * _winSize.Height) + vecval)));
}
if (Direction == 7)
{
ci = new LineSegment2D(new Point(ii * _winSize.Width, jj * _winSize.Height), new Point((int)((ii * _winSize.Width) - vecval), (int)((jj * _winSize.Height) + 0)));
}
if (Direction == 8)
{
ci = new LineSegment2D(new Point(ii * _winSize.Width, jj * _winSize.Height), new Point((int)((ii * _winSize.Width) - vecval), (int)((jj * _winSize.Height) - vecval)));
}
_ForShow.Draw(ci, new Bgr(Color.Blue), 2);
CvInvoke.cvResetImageROI(_ForShow);
break;
case "Rejected":
int iii = vectorFieldX / 2;
int jjj = vectorFieldY / 2;
SetImgROI(_ForShow, _ROI_center, _ROI_size);
cr = new Cross2DF(new PointF(iii * _winSize.Width, jjj * _winSize.Height), 1, 1);
_ForShow.Draw(cr, new Bgr(Color.Red), 20);
CvInvoke.cvResetImageROI(_ForShow);
break;
}
}
}
static void Main(string[] args)
{
String apiKey = "847e6315f892e21449da5f4077c5104f";
String apiSecret = "BmskojfFyrZVQhkLfNSnRzX-lK8musO6";
FaceService faceService = new FaceService(apiKey, apiSecret);
string filePath = "D:\\Codes\\datasets\\face_morph\\bbt.jpg";
DetectResult detectResult = faceService.Detection_DetectImg(filePath);
Image <Bgr, Byte> srcImg = new Image <Bgr, Byte>(filePath);
for (int cnt = 0; cnt < detectResult.face.Count; cnt++)
{
string pointFileName = String.Format("D:\\Codes\\datasets\\face_morph\\result_bbt_face_{0}.txt", cnt);
FileStream fileStream = new FileStream(pointFileName, FileMode.Create);
StreamWriter streamWriter = new StreamWriter(fileStream);
Rectangle faceRect = new Rectangle(
(int)(detectResult.face[cnt].position.center.x * srcImg.Width / 100 - detectResult.face[cnt].position.width * srcImg.Width * 0.5 / 100),
(int)(detectResult.face[cnt].position.center.y * srcImg.Height / 100 - detectResult.face[cnt].position.height * srcImg.Height * 0.5 / 100),
(int)detectResult.face[cnt].position.width * srcImg.Width / 100,
(int)detectResult.face[cnt].position.height * srcImg.Height / 100);
Image <Bgr, byte> faceImg = srcImg.GetSubRect(faceRect);
string fileName = String.Format("D:\\Codes\\datasets\\face_morph\\result_bbt_face_{0}.jpg", cnt);
faceImg.Save(fileName);
IList <FaceppSDK.Point> featurePoints = new List <FaceppSDK.Point>();
//featurePoints.Add(detectResult.face[cnt].position.center);
FaceppSDK.Point tempPoint1 = new FaceppSDK.Point();
tempPoint1.x = (detectResult.face[cnt].position.eye_left.x
- detectResult.face[cnt].position.center.x) / detectResult.face[cnt].position.width;
tempPoint1.y = (detectResult.face[cnt].position.eye_left.y
- detectResult.face[cnt].position.center.y) / detectResult.face[cnt].position.height;
featurePoints.Add(tempPoint1);
FaceppSDK.Point tempPoint2 = new FaceppSDK.Point();
tempPoint2.x = (detectResult.face[cnt].position.eye_right.x
- detectResult.face[cnt].position.center.x) / detectResult.face[cnt].position.width;
tempPoint2.y = (detectResult.face[cnt].position.eye_right.y
- detectResult.face[cnt].position.center.y) / detectResult.face[cnt].position.height;
featurePoints.Add(tempPoint2);
FaceppSDK.Point tempPoint3 = new FaceppSDK.Point();
tempPoint3.x = (detectResult.face[cnt].position.mouth_left.x
- detectResult.face[cnt].position.center.x) / detectResult.face[cnt].position.width;
tempPoint3.y = (detectResult.face[cnt].position.mouth_left.y
- detectResult.face[cnt].position.center.y) / detectResult.face[cnt].position.height;
featurePoints.Add(tempPoint3);
FaceppSDK.Point tempPoint4 = new FaceppSDK.Point();
tempPoint4.x = (detectResult.face[cnt].position.mouth_right.x
- detectResult.face[cnt].position.center.x) / detectResult.face[cnt].position.width;
tempPoint4.y = (detectResult.face[cnt].position.mouth_right.y
- detectResult.face[cnt].position.center.y) / detectResult.face[cnt].position.height;
featurePoints.Add(tempPoint4);
FaceppSDK.Point tempPoint5 = new FaceppSDK.Point();
tempPoint5.x = (detectResult.face[cnt].position.nose.x
- detectResult.face[cnt].position.center.x) / detectResult.face[cnt].position.width;
tempPoint5.y = (detectResult.face[cnt].position.nose.y
- detectResult.face[cnt].position.center.y) / detectResult.face[cnt].position.height;
featurePoints.Add(tempPoint5);
foreach (FaceppSDK.Point featurePoint in featurePoints)
{
streamWriter.WriteLine(featurePoint.x.ToString());
streamWriter.WriteLine(featurePoint.y.ToString());
System.Drawing.PointF point = new System.Drawing.PointF((float)featurePoint.x * srcImg.Width / 100,
(float)featurePoint.y * srcImg.Height / 100);
Cross2DF cross = new Cross2DF(point, (float)3.0, (float)3.0);
srcImg.Draw(cross, new Bgr(0, 255, 0), 3);
}
streamWriter.Flush();
streamWriter.Close();
fileStream.Close();
//srcImg.Save("D:\\Codes\\datasets\\face_morph\\result_bbt.jpg");
}
}
