Why are the following lines of code used to rule out any special situations

[chenzhiwei888]

![Uploading LSP3BS2X0I4D7%@%U}IPZ1.png…

[chenzhiwei888]

Refers to the following lines of code：
if (n_bottom < 0.1 * POINT_PER_PIXEL * 0.1 * IMG_H * IMG_W ) // || n_top > 0.05 * POINT_PER_PIXEL * (params_.point_range_top - 0.2) * IMG_H * IMG_W)
{
// std::cout << "Not enough points on the bottom of the image." << std::endl;
score += 2;
continue;
}