图像处理：根据摄像机内参校正变形图片，摄像机内参需要提前知道。-Image Processing: According to internal camera calibration distorted picture, the camera internal need to know in advance.

双目视觉校准：已知内参，求出图像的外参对图像进行校正。-Binocular vision calibration correction: known internal reference, find the image outside the reference image.