Image data annotation method for runway line detection

The invention relates to an image data annotation method for runway line detection. The method comprises the following steps: 1) carrying out feature point labeling on a runway line in an input image through a plurality of points; 2) carrying out linear and curve fitting on the coordinates of the feature points; 3) intercepting the straight line and the curve obtained by fitting according to the coordinates of the starting and ending feature points; 4) generating a binary image according to the intercepted straight line and curve; and 5) according to the obtained binary image, filling with different colors according to a connected region sequence, and carrying out gray level conversion to obtain an intensity image. According to the method, the marked image is converted into the binary image and the intensity image based on fitting of the straight line and the curve, the binary image and the intensity image serve as qualified criteria during runway line detection network training, the training samples can be g