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zhaipro / face-alignment

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秒记 #1

Open zhaipro opened 5 years ago

zhaipro commented 5 years ago

人脸姿态估计

zhaipro commented 5 years ago

Head pose estimation

旋转矩阵 焦距 最小二乘 欧拉角包含3个角度：pitch、yaw、roll，这三个角度也称为姿态角。

Pitch：三维旋转之俯仰角度[-90(上), 90(下)] Roll：平面内旋转角[-180(逆时针), 180(顺时针)] Yaw：三维旋转之左右旋转角[-90(左), 90(右)] yaw pitch roll

http://ai.baidu.com/docs#/Face-Detect-V3/top https://blog.csdn.net/yuanlulu/article/details/82763170 http://www.sohu.com/a/278664242_100007727 https://docs.opencv.org/2.4/modules/calib3d/doc/camera_calibration_and_3d_reconstruction.html#solvepnp https://docs.opencv.org/2.4/modules/calib3d/doc/camera_calibration_and_3d_reconstruction.html#void%20Rodrigues(InputArray%20src,%20OutputArray%20dst,%20OutputArray%20jacobian) 最小二乘进行迭代求解

我总是会忘的内容： cv2.IMREAD_GRAYSCALE