{"id":262063,"date":"2015-07-22T17:13:02","date_gmt":"2015-07-22T13:13:02","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=262063"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=262063","title":{"rendered":"\u0410\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043f\u043e\u0432\u043e\u0440\u043e\u0442 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u043d\u043e\u043c\u0435\u0440\u0430 \u0434\u043b\u044f \u0441\u0438\u0441\u0442\u0435\u043c LPR"},"content":{"rendered":"

\u0420\u0435\u0448\u0438\u043b \u043f\u043e\u0434\u0435\u043b\u0438\u0442\u044c\u0441\u044f \u043f\u0440\u043e\u0441\u0442\u044b\u043c, \u043d\u043e \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u043c \u0441\u043f\u043e\u0441\u043e\u0431\u043e\u043c \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0430 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u043d\u043e\u043c\u0435\u0440\u0430 \u0430\u0432\u0442\u043e\u043c\u043e\u0431\u0438\u043b\u044f. \u0414\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0438\u0434\u0435\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e \u043a\u0440\u043e\u0441\u0441\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u0443\u044e \u043e\u0431\u0435\u0440\u0442\u043a\u0443 .NET \u043d\u0430\u0434 OpenCV \u2014 EMGU<\/a>.<\/p>\n


<\/a> <\/p>\n

\u041f\u043e\u0441\u0442\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430<\/h4>\n

\u041f\u0440\u0438 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0435 \u043d\u043e\u043c\u0435\u0440\u0430, \u0431\u0443\u0434\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0435\u0451 \u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0435 \u0433\u0440\u0430\u043d\u0438. \u0427\u0442\u043e\u0431\u044b \u0434\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0438\u0439 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u0441\u043c\u043e\u0433 \u0438\u0445 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c, \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0438\u0445 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c<\/b> \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u043c \u043a \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044e \u0440\u044f\u0434 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438:<\/p>\n

public Bitmap SomeMethod(Image<Bgr, byte> img)         {             using (Image<Gray, byte> gray = img.Convert<Gray, Byte>())             using (Image<Gray, float> sobel = new Image<Gray, float>(img.Size))             {                 CvInvoke.cvSmooth(gray, gray, Emgu.CV.CvEnum.SMOOTH_TYPE.CV_GAUSSIAN, 5, 5, 25, 25);                 CvInvoke.cvSobel(gray, sobel, 0, 1, 3);                  CvInvoke.cvConvert(sobel, gray); \/\/ Image<Gray, float> --> Image<Gray, Byte>             }             return null;          } <\/code><\/pre>\n
  <\/p>\n
\u0412\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0437\u043d\u0430\u043a\u043e\u0432<\/h4>\n
  \u041f\u0440\u0438\u0437\u043d\u0430\u043a\u0430\u043c\u0438 \u0434\u043b\u044f \u0434\u0430\u043d\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0438 \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043f\u0440\u044f\u043c\u044b\u0435 \u043b\u0438\u043d\u0438\u0438, \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u043e\u043d\u0438 \u0434\u043e\u043b\u0436\u043d\u044b \u0431\u044b\u0442\u044c \u0431\u043e\u043b\u044c\u0448\u0435, \u0447\u0435\u043c \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u0430 \u0448\u0438\u0440\u0438\u043d\u044b \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f. \u0414\u043b\u044f \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043b\u0438\u043d\u0438\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c \u043c\u0435\u0442\u043e\u0434:   <\/p>\n
public LineSegment2D[][] HoughLinesBinary( \tdouble rhoResolution, \tdouble thetaResolution, \tint threshold, \tdouble minLineWidth, \tdouble gapBetweenLines ) <\/code><\/pre>\n
  \u041f\u0435\u0440\u0432\u044b\u0435 \u0434\u0432\u0430 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u0430 rhoResolution <\/b>\u0438 thetaResolution <\/b>\u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u044e\u0442 \u0436\u0435\u043b\u0430\u0435\u043c\u043e\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u043b\u0438\u043d\u0438\u0438 \u0432 \u0431\u0438\u043d\u0430\u0440\u043d\u043e\u043c \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0438. \u041b\u0438\u043d\u0438\u0438 \u043c\u043e\u0436\u043d\u043e \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0442\u044c \u043a\u0430\u043a 2D \u0433\u0438\u0441\u0442\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u0441 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u0435\u043c \u0438 \u0443\u0433\u043b\u043e\u043c \u043d\u0430\u043a\u043b\u043e\u043d\u0430, \u0442\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c rhoResolution \u043d\u0430\u0437\u043d\u0430\u0447\u0430\u0435\u0442\u0441\u044f \u0432 \u043f\u0438\u043a\u0441\u0435\u043b\u044f\u0445, \u0430 thetaResolution \u0432 \u0440\u0430\u0434\u0438\u0430\u043d\u0430\u0445. Threshold <\/b>\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u043c \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e\u043c \u043f\u0438\u043a\u0441\u0435\u043b\u0435\u0439 \u0432 \u043e\u0442\u0440\u0435\u0437\u043a\u0430\u0445. \u041a\u043e\u0433\u0434\u0430 \u0441\u0447\u0435\u0442\u0447\u0438\u043a \u043f\u0438\u043a\u0441\u0435\u043b\u0435\u0439 \u0431\u043e\u043b\u044c\u0448\u0435 \u0447\u0435\u043c \u043f\u043e\u0440\u043e\u0433, \u043e\u0442\u0440\u0435\u0437\u043e\u043a \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0432 \u0441\u043f\u0438\u0441\u043e\u043a \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u0445. \u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0434\u0432\u0430 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430 minLineWidth <\/b>\u0438 gapBetweenLines<\/b>, \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0434\u043b\u0438\u043d\u043d\u043e\u0439 \u043e\u0442\u0440\u0435\u0437\u043a\u0430 \u0438 \u0440\u0430\u0437\u0440\u044b\u0432\u043e\u043c \u043c\u0435\u0436\u0434\u0443 \u043b\u0438\u043d\u0438\u044f\u043c\u0438, \u043d\u0430\u0437\u043d\u0430\u0447\u0430\u044e\u0442\u0441\u044f \u0432 \u043f\u0438\u043a\u0441\u0435\u043b\u044f\u0445.<\/p>\n
  \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u0437\u043d\u0430\u043a\u043e\u0432 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043a\u043e\u0434:  <\/p>\n
public Bitmap SomeMethod(Image<Bgr, byte> img)         {             LineSegment2D[] lines = null;             using (Image<Gray, byte> gray = img.Convert<Gray, Byte>())             using (Image<Gray, float> sobel = new Image<Gray, float>(img.Size))             {                 CvInvoke.cvSmooth(gray, gray, Emgu.CV.CvEnum.SMOOTH_TYPE.CV_GAUSSIAN, 5, 5, 20, 20);                 CvInvoke.cvSobel(gray, sobel, 0, 1, 3);                 CvInvoke.cvConvert(sobel, gray); \/\/ Image<Gray, float> --> Image<Gray, Byte>                 lines = gray.HoughLinesBinary(1, Math.PI \/ 45, 50, img.Width \/ 2, 0)[0];             }             return null;          } <\/code><\/pre>\n
  <\/p>\n
\u0412\u044b\u0447\u0438\u0441\u043b\u044f\u0435\u043c \u0443\u0433\u043e\u043b \u043d\u0430\u043a\u043b\u043e\u043d\u0430<\/h4>\n
  \u0414\u043b\u044f \u0442\u043e\u0433\u043e \u0447\u0442\u043e\u0431\u044b \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u044c \u0443\u0433\u043e\u043b \u043d\u0430\u043a\u043b\u043e\u043d\u0430 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u043c \u0441\u0440\u0435\u0434\u043d\u0435\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u0442\u043e\u0447\u0435\u043a \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0445 \u043b\u0438\u043d\u0438\u0439 (\u0442\u0430\u043a \u043a\u0430\u043a \u044d\u0442\u043e \u0434\u0435\u0448\u0435\u0432\u043b\u0435, \u0447\u0435\u043c \u043f\u0440\u043e\u0441\u0447\u0435\u0442 \u0443\u0433\u043b\u0430 \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e):  <\/p>\n
                LineSegment2D avr = new LineSegment2D();                 foreach (LineSegment2D seg in lines)                 {                     avr.P1 = new Point(avr.P1.X + seg.P1.X, avr.P1.Y + seg.P1.Y);                     avr.P2 = new Point(avr.P2.X + seg.P2.X, avr.P2.Y + seg.P2.Y);                 }                 avr.P1 = new Point(avr.P1.X \/ lines.Length, avr.P1.Y \/ lines.Length);                 avr.P2 = new Point(avr.P2.X \/ lines.Length, avr.P2.Y \/ lines.Length); <\/code><\/pre>\n
  \u0418 \u0437\u0430\u0442\u0435\u043c \u0434\u043e\u0441\u0442\u0440\u043e\u0438\u043c \u0443\u0433\u043e\u043b \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u043b\u0438\u043d\u0438\u0438:  <\/p>\n
                LineSegment2D horizontal = new LineSegment2D(avr.P1, new Point(avr.P2.X, avr.P1.Y)); <\/code><\/pre>\n
  \u041f\u043e\u043b\u0443\u0447\u0438\u043b\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0443\u0433\u043e\u043b:<\/p>\n
  <\/p>\n
  \u0413\u0434\u0435 C (horizontal), A \u2014 \u043a\u0430\u0442\u0435\u0442\u044b, B (avr) \u2014 \u0433\u0438\u043f\u043e\u0442\u0435\u043d\u0443\u0437\u0430.
  \u0414\u043b\u044f \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f \u0441\u0442\u043e\u0440\u043e\u043d \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a \u0438 \u0443\u0433\u043b\u0430 CB \u0432\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u0441\u044f \u0448\u043a\u043e\u043b\u044c\u043d\u044b\u043c\u0438 \u0444\u043e\u0440\u043c\u0443\u043b\u0430\u043c\u0438:  <\/p>\n
                double c = horizontal.P2.X - horizontal.P1.X;                 double a = Math.Abs(horizontal.P2.Y - avr.P2.Y);                 double b = Math.Sqrt(c * c + a * a);                 angle = (a \/ b * (180 \/ Math.PI)) * (horizontal.P2.Y > avr.P2.Y ? 1 : -1); <\/code><\/pre>\n
  \u041f\u043e\u0441\u043b\u0435 \u0447\u0435\u0433\u043e \u043f\u0440\u043e\u0441\u0442\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c \u043c\u0435\u0442\u043e\u0434 Rotate<\/b> \u0434\u043b\u044f \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0441 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u043c \u0443\u0433\u043b\u043e\u043c.  <\/p>\n
public Bitmap SomeMethod(Image<Bgr, byte> img)         {             LineSegment2D[] lines = null;             using (Image<Gray, byte> gray = img.Convert<Gray, Byte>())             using (Image<Gray, float> sobel = new Image<Gray, float>(img.Size))             {                 CvInvoke.cvSmooth(gray, gray, Emgu.CV.CvEnum.SMOOTH_TYPE.CV_GAUSSIAN, 5, 5, 20, 20);                 CvInvoke.cvSobel(gray, sobel, 0, 1, 3);                 CvInvoke.cvConvert(sobel, gray); \/\/ Image<Gray, float> --> Image<Gray, Byte>                 lines = gray.HoughLinesBinary(1, Math.PI \/ 45, 50, img.Width \/ 2, 0)[0];             }              if (lines != null && lines.Length > 0)             {                 double angle = 0;                 LineSegment2D avr = new LineSegment2D();                 foreach (LineSegment2D seg in lines)                 {                     avr.P1 = new Point(avr.P1.X + seg.P1.X, avr.P1.Y + seg.P1.Y);                     avr.P2 = new Point(avr.P2.X + seg.P2.X, avr.P2.Y + seg.P2.Y);                     img.Draw(seg, new Bgr(255, 0, 0), 1);                 }                 avr.P1 = new Point(avr.P1.X \/ lines.Length, avr.P1.Y \/ lines.Length);                 avr.P2 = new Point(avr.P2.X \/ lines.Length, avr.P2.Y \/ lines.Length);                 LineSegment2D horizontal = new LineSegment2D(avr.P1, new Point(avr.P2.X, avr.P1.Y));                  img.Draw(new LineSegment2D(avr.P1, new Point(avr.P2.X, avr.P1.Y)), new Bgr(0, 255, 0), 2);                 img.Draw(avr, new Bgr(0, 255, 0), 2);                  double c = horizontal.P2.X - horizontal.P1.X;                 double a = Math.Abs(horizontal.P2.Y - avr.P2.Y);                 double b = Math.Sqrt(c * c + a * a);                 angle = (a \/ b * (180 \/ Math.PI)) * (horizontal.P2.Y > avr.P2.Y ? 1 : -1);                 img = img.Rotate(angle, new Bgr(0, 0, 0));             }             return img.ToBitmap();         } <\/code><\/pre>\n
               <\/p>\n
<\/div>\n
 \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438  http:\/\/habrahabr.ru\/post\/263291\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
             \u0420\u0435\u0448\u0438\u043b \u043f\u043e\u0434\u0435\u043b\u0438\u0442\u044c\u0441\u044f \u043f\u0440\u043e\u0441\u0442\u044b\u043c, \u043d\u043e \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u043c \u0441\u043f\u043e\u0441\u043e\u0431\u043e\u043c \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0430 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u043d\u043e\u043c\u0435\u0440\u0430 \u0430\u0432\u0442\u043e\u043c\u043e\u0431\u0438\u043b\u044f. \u0414\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0438\u0434\u0435\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e \u043a\u0440\u043e\u0441\u0441\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u0443\u044e \u043e\u0431\u0435\u0440\u0442\u043a\u0443 .NET \u043d\u0430\u0434 OpenCV \u2014 EMGU<\/a>.<\/p>\n
    <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-262063","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/262063","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=262063"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/262063\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=262063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=262063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=262063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}