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This is my code：
`void main()
{
Mat image;
image = imread("1.png");
Mat gray_image;
cvtColor(image, gray_image, CV_BGR2GRAY);
int W = image.rows;
int H = image.cols;
int image_size = W* H;
unsigned char* input = new unsigned char[image_size];
memcpy(input, gray_image.data, image_size);
vector<line_float_t> Lines;
boundingbox_t Bbox = { 0,0,W,H };
float scalex =0.5;
float scaley =0.5;
int Flag = 0;
Flag = LsdLineDetector(input, W, H, scalex, scaley, Bbox, Lines);
cout << Flag << endl;
for (int i = 0; i < Lines.size(); i++)
{
line(image, Point(Lines[i].startx, Lines[i].starty), Point(Lines[i].endx, Lines[i].endy), Scalar(0, 0, 255), 2);
}
imshow("image1", image);
waitKey(0);
system("pause");
}`
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