For recognition, the front or trailing edge of projection of binary image on horizontal axis basically shows linear shape, so least square theory is applied in tilt correction.
识别过程中，数码管二值化后的图像在水平轴上的投影，其上升沿或下降沿基本呈现直线的形状，尝试把最小二乘法应用于倾斜校正。
Face area is gained by horizontal and vertical projection in binary image.
最后进行水平和垂直投影处理，获得人脸侯选区域。
Face area is gained by horizontal and vertical projection in binary image.
最后进行水平和垂直投影处理，获得人脸侯选区域。
应用推荐