基于OpenCV的摄像头凝视追踪基于Fabian Timm的眼睛中心算法简单的图像梯度-Camera gaze tracking based on Timm OpenCV eye center algorithm based on Fabian simple image gradient

通过最速下降算法研究基于梯度的自适应方法,最速下降是递归的,-Through the study of steepest descent algorithm based on gradient adaptive method, the steepest decline is recursive,