OpenCV HoughLines

HoughLines metodu
Örnek ver

HoughLinesP metodu
lines parametresinin açıklaması şöyle. Yani line 4 noktadan oluşur. İlk iki nokta başlangıcı belirtir, son iki nokta ise bitişi belirtir.

ines – Output vector of lines. Each line is represented by a 4-element vector (x_1, y_1, x_2, y_2) , where (x_1,y_1) and (x_2, y_2) are the ending points of each detected line segment.

Şöyle yaparız.

vector<Vec4i> lines;
HoughLinesP(img, lines, 1, CV_PI/180, 50, 50, 10 );
for( size_t i = 0; i < lines.size(); i++ )
{
  Vec4i l = lines[i];
  line (img, Point(l[0], l[1]), Point(l[2], l[3]), Scalar(0,0,255), 3, CV_AA);
}