OpenCV MediaPipe实现颜值打分功能

颜值打分

定义可视化图像函数

导入三维人脸关键点检测模型

导入可视化函数和可视化样式

将图像模型输入，获取预测结果

BGR转RGB

将RGB图像输入模型，获取预测结果

预测人人脸个数

获取脸上关键点轮廓的坐标，并且将相应的坐标标注出来，在标注点之间绘制连线（例如：左眼左眼角的识别点标号为33号）

# 颜值打分--五眼指标
import cv2 as cv
import  mediapipe as mp
import numpy as np
from tqdm import tqdm
import time
import  matplotlib.pyplot as plt

# 定义可视化图像函数
def look_img(img):
   img_RGB=cv.cvtColor(img,cv.COLOR_BGR2RGB)
   plt.imshow(img_RGB)
   plt.show()

# 导入三维人脸关键点检测模型
mp_face_mesh=mp.solutions.face_mesh
# help(mp_face_mesh.FaceMesh)

model=mp_face_mesh.FaceMesh(
   static_image_mode=True,#TRUE:静态图片/False:摄像头实时读取
   refine_landmarks=True,#使用Attention Mesh模型
   max_num_faces=40,
   min_detection_confidence=0.5, #置信度阈值，越接近1越准
   min_tracking_confidence=0.5,#追踪阈值
)

# 导入可视化函数和可视化样式
mp_drawing=mp.solutions.drawing_utils
# mp_drawing_styles=mp.solutions.drawing_styles
draw_spec=mp_drawing.DrawingSpec(thickness=2,circle_radius=1,color=[66,77,229])

img=cv.imread("img.png")

# 将图像模型输入，获取预测结果

# BGR转RGB
img_RGB=cv.cvtColor(img,cv.COLOR_BGR2RGB)
scaler=1
h,w=img.shape[0],img.shape[1]
# 将RGB图像输入模型，获取预测结果

results=model.process(img_RGB)
# # 预测人人脸个数
# len(results.multi_face_landmarks)
#
# print(len(results.multi_face_landmarks))

if results.multi_face_landmarks:
   for face_landmarks  in results.multi_face_landmarks:
       mp_drawing.draw_landmarks(
           image=img,
           landmark_list=face_landmarks,
           connections=mp_face_mesh.FACEMESH_CONTOURS,
           landmark_drawing_spec=draw_spec,
           connection_drawing_spec=draw_spec
       )
       for idx, coord in enumerate(face_landmarks.landmark):
           cx = int(coord.x * w)
           cy = int(coord.y * h)
           img = cv.putText(img, ' FACE DELECTED', (25, 50), cv.FONT_HERSHEY_SIMPLEX, 0.1,
                            (218, 112, 214), 1, 1)
           img = cv.putText(img, str(idx), (cx, cy), cv.FONT_HERSHEY_SIMPLEX, 0.3,
                            (218, 112, 214), 1, 1)

else:
   img = cv.putText(img, 'NO FACE DELECTED', (25, 50), cv.FONT_HERSHEY_SIMPLEX, 1.25,
                    (218, 112, 214), 1, 8)
look_img(img)

cv.imwrite('face_id.jpg',img)

# 连轮廓最左侧点
FL=results.multi_face_landmarks[0].landmark[234];
FL_X,FL_Y=int(FL.x*w),int(FL.y*h);FL_Color=(234,0,255)
img=cv.circle(img,(FL_X,FL_Y),20,FL_Color,-1)
look_img(img)

# 脸上侧边缘
FT=results.multi_face_landmarks[0].landmark[10];#  10 坐标为上图中标注的点的序号
FT_X,FT_Y=int(FT.x*w),int(FT.y*h);FT_Color=(231,141,181)
img=cv.circle(img,(FT_X,FT_Y),20,FT_Color,-1)
look_img(img)

# 下侧边缘
FB=results.multi_face_landmarks[0].landmark[152];#  152 坐标为上图中标注的点的序号
FB_X,FB_Y=int(FB.x*w),int(FB.y*h);FB_Color=(231,141,181)
img=cv.circle(img,(FB_X,FB_Y),20,FB_Color,-1)
look_img(img)

# 右侧
FR=results.multi_face_landmarks[0].landmark[454];#  454 坐标为上图中标注的点的序号
FR_X,FR_Y=int(FR.x*w),int(FR.y*h);FR_Color=(0,255,0)
img=cv.circle(img,(FR_X,FR_Y),20,FR_Color,-1)
look_img(img)

# 左眼左眼角
ELL=results.multi_face_landmarks[0].landmark[33];#  33坐标为上图中标注的点的序号
ELL_X,ELL_Y=int(ELL.x*w),int(ELL.y*h);ELL_Color=(0,255,0)
img=cv.circle(img,(ELL_X,ELL_Y),20,ELL_Color,-1)
look_img(img)

#左眼右眼角
ELR=results.multi_face_landmarks[0].landmark[133];#  133坐标为上图中标注的点的序号
ELR_X,ELR_Y=int(ELR.x*w),int(ELR.y*h);ELR_Color=(0,255,0)
img=cv.circle(img,(ELR_X,ELR_Y),20,ELR_Color,-1)
look_img(img)

# 右眼左眼角362
ERL=results.multi_face_landmarks[0].landmark[362];#  133坐标为上图中标注的点的序号
ERL_X,ERL_Y=int(ERL.x*w),int(ERL.y*h);ERL_Color=(233,255,128)
img=cv.circle(img,(ERL_X,ERL_Y),20,ERL_Color,-1)
look_img(img)

# 右眼右眼角263
ERR=results.multi_face_landmarks[0].landmark[263];#  133坐标为上图中标注的点的序号
ERR_X,ERR_Y=int(ERR.x*w),int(ERR.y*h);ERR_Color=(23,255,128)
img=cv.circle(img,(ERR_X,ERR_Y),20,ERR_Color,-1)
look_img(img)

# 从左往右六个点的横坐标
Six_X=np.array([FL_X,ELL_X,ELR_X,ERL_X,ERR_X,FR_X])

# 从最左到最右的距离
Left_Right=FR_X-FL_X
# 从左向右六个点的间隔的五个距离一并划归
Five_Distance=100*np.diff(Six_X)/Left_Right

# 两眼宽度的平均值
Eye_Width_Mean=np.mean((Five_Distance[1],Five_Distance[3]))

# 五个距离分别与两眼宽度均值的差
Five_Eye_Diff=Five_Distance-Eye_Width_Mean

# 求L2范数，作为颜值的指标
Five_Eye_Metrics=np.linalg.norm(Five_Eye_Diff)

cv.line(img,(FL_X,FT_Y),(FL_X,FB_Y),FL_Color,3)
cv.line(img,(ELL_X,FT_Y),(ELL_X,FB_Y),ELL_Color,3)
cv.line(img,(ELR_X,FT_Y),(ELR_X,FB_Y),ELR_Color,3)
cv.line(img,(ERL_X,FT_Y),(ERL_X,FB_Y),ERL_Color,3)
cv.line(img,(ERR_X,FT_Y),(ERR_X,FB_Y),ERR_Color,3)
cv.line(img,(FR_X,FT_Y),(FR_X,FB_Y),FR_Color,3)
cv.line(img,(FL_X,FT_Y),(FR_X,FT_Y),FT_Color,3)
cv.line(img,(FL_X,FB_Y),(FR_X,FB_Y),FB_Color,3)

scaler=1
img = cv.putText(img, 'Five Eye Metrics{:.2f}'.format(Five_Eye_Metrics), (25, 50), cv.FONT_HERSHEY_SIMPLEX, 1,
                (218, 112, 214), 6, 6)
img = cv.putText(img, 'Distance 1{:.2f}'.format(Five_Eye_Diff[0]), (25, 100), cv.FONT_HERSHEY_SIMPLEX, 1,
                (218, 112, 214), 5, 5)
img = cv.putText(img, 'Distance 1{:.2f}'.format(Five_Eye_Diff[2]), (25, 150), cv.FONT_HERSHEY_SIMPLEX, 1,
                (218, 112, 214), 4, 4)
img = cv.putText(img, 'Distance 1{:.2f}'.format(Five_Eye_Diff[4]), (25, 200), cv.FONT_HERSHEY_SIMPLEX,1,
                (218, 112, 214), 3, 4)
look_img(img)
cv.imwrite("yanzhi.jpg",img)

摄像头实时检测颜值打分

最后一部分代码是调用摄像头的模板，可以直接使用

关键步骤在代码注释中有体现

import cv2 as cv
import  mediapipe as mp
import numpy as np
from tqdm import tqdm
import time
import  matplotlib.pyplot as plt

# 定义可视化图像函数
def look_img(img):
   img_RGB=cv.cvtColor(img,cv.COLOR_BGR2RGB)
   plt.imshow(img_RGB)
   plt.show()

# 导入三维人脸关键点检测模型
mp_face_mesh=mp.solutions.face_mesh
# help(mp_face_mesh.FaceMesh)

model=mp_face_mesh.FaceMesh(
   static_image_mode=False,#TRUE:静态图片/False:摄像头实时读取
   refine_landmarks=True,#使用Attention Mesh模型
   max_num_faces=5,
   min_detection_confidence=0.5, #置信度阈值，越接近1越准
   min_tracking_confidence=0.5,#追踪阈值
)

# 导入可视化函数和可视化样式
mp_drawing=mp.solutions.drawing_utils
# mp_drawing_styles=mp.solutions.drawing_styles
draw_spec=mp_drawing.DrawingSpec(thickness=2,circle_radius=1,color=[66,77,229])
landmark_drawing_spec=mp_drawing.DrawingSpec(thickness=1,circle_radius=2,color=[66,77,229])
# 轮廓可视化
connection_drawing_spec=mp_drawing.DrawingSpec(thickness=2,circle_radius=1,color=[233,155,6])

# 处理帧函数
def process_frame(img):
   start_time = time.time()
   scaler = 1
   h, w = img.shape[0], img.shape[1]
   img_RGB = cv.cvtColor(img, cv.COLOR_BGR2RGB)
   results = model.process(img_RGB)
   if results.multi_face_landmarks:
       # for face_landmarks in results.multi_face_landmarks:
           # 连轮廓最左侧点
           FL = results.multi_face_landmarks[0].landmark[234];
           FL_X, FL_Y = int(FL.x * w), int(FL.y * h);
           FL_Color = (234, 0, 255)
           img = cv.circle(img, (FL_X, FL_Y), 5, FL_Color, -1)
           look_img(img)

# 脸上侧边缘
           FT = results.multi_face_landmarks[0].landmark[10];  # 10 坐标为上图中标注的点的序号
           FT_X, FT_Y = int(FT.x * w), int(FT.y * h);
           FT_Color = (231, 141, 181)
           img = cv.circle(img, (FT_X, FT_Y), 5, FT_Color, -1)
           look_img(img)

# 下侧边缘
           FB = results.multi_face_landmarks[0].landmark[152];  # 152 坐标为上图中标注的点的序号
           FB_X, FB_Y = int(FB.x * w), int(FB.y * h);
           FB_Color = (231, 141, 181)
           img = cv.circle(img, (FB_X, FB_Y), 5, FB_Color, -1)
           look_img(img)

# 右侧
           FR = results.multi_face_landmarks[0].landmark[454];  # 454 坐标为上图中标注的点的序号
           FR_X, FR_Y = int(FR.x * w), int(FR.y * h);
           FR_Color = (0, 255, 0)
           img = cv.circle(img, (FR_X, FR_Y), 5, FR_Color, -1)
           look_img(img)

# 左眼左眼角
           ELL = results.multi_face_landmarks[0].landmark[33];  # 33坐标为上图中标注的点的序号
           ELL_X, ELL_Y = int(ELL.x * w), int(ELL.y * h);
           ELL_Color = (0, 255, 0)
           img = cv.circle(img, (ELL_X, ELL_Y), 5, ELL_Color, -1)
           look_img(img)

# 左眼右眼角
           ELR = results.multi_face_landmarks[0].landmark[133];  # 133坐标为上图中标注的点的序号
           ELR_X, ELR_Y = int(ELR.x * w), int(ELR.y * h);
           ELR_Color = (0, 255, 0)
           img = cv.circle(img, (ELR_X, ELR_Y), 5, ELR_Color, -1)
           look_img(img)

# 右眼左眼角362
           ERL = results.multi_face_landmarks[0].landmark[362];  # 133坐标为上图中标注的点的序号
           ERL_X, ERL_Y = int(ERL.x * w), int(ERL.y * h);
           ERL_Color = (233, 255, 128)
           img = cv.circle(img, (ERL_X, ERL_Y), 5, ERL_Color, -1)
           look_img(img)

# 右眼右眼角263
           ERR = results.multi_face_landmarks[0].landmark[263];  # 133坐标为上图中标注的点的序号
           ERR_X, ERR_Y = int(ERR.x * w), int(ERR.y * h);
           ERR_Color = (23, 255, 128)
           img = cv.circle(img, (ERR_X, ERR_Y), 5, ERR_Color, -1)
           look_img(img)

# 从左往右六个点的横坐标
           Six_X = np.array([FL_X, ELL_X, ELR_X, ERL_X, ERR_X, FR_X])

# 从最左到最右的距离
           Left_Right = FR_X - FL_X
           # 从左向右六个点的间隔的五个距离一并划归
           Five_Distance = 100 * np.diff(Six_X) / Left_Right

# 两眼宽度的平均值
           Eye_Width_Mean = np.mean((Five_Distance[1], Five_Distance[3]))

# 五个距离分别与两眼宽度均值的差
           Five_Eye_Diff = Five_Distance - Eye_Width_Mean

# 求L2范数，作为颜值的指标
           Five_Eye_Metrics = np.linalg.norm(Five_Eye_Diff)

cv.line(img, (FL_X, FT_Y), (FL_X, FB_Y), FL_Color, 3)
           cv.line(img, (ELL_X, FT_Y), (ELL_X, FB_Y), ELL_Color, 3)
           cv.line(img, (ELR_X, FT_Y), (ELR_X, FB_Y), ELR_Color, 3)
           cv.line(img, (ERL_X, FT_Y), (ERL_X, FB_Y), ERL_Color, 3)
           cv.line(img, (ERR_X, FT_Y), (ERR_X, FB_Y), ERR_Color, 3)
           cv.line(img, (FR_X, FT_Y), (FR_X, FB_Y), FR_Color, 3)
           cv.line(img, (FL_X, FT_Y), (FR_X, FT_Y), FT_Color, 3)
           cv.line(img, (FL_X, FB_Y), (FR_X, FB_Y), FB_Color, 3)

scaler = 1
           img = cv.putText(img, 'Five Eye Metrics{:.2f}'.format(Five_Eye_Metrics), (25, 50), cv.FONT_HERSHEY_SIMPLEX,
                            1,
                            (218, 112, 214), 2, 6)
           img = cv.putText(img, 'Distance 1{:.2f}'.format(Five_Eye_Diff[0]), (25, 100), cv.FONT_HERSHEY_SIMPLEX, 1,
                            (218, 112, 214), 2, 5)
           img = cv.putText(img, 'Distance 1{:.2f}'.format(Five_Eye_Diff[2]), (25, 150), cv.FONT_HERSHEY_SIMPLEX, 1,
                            (218, 112, 214), 2, 4)
           img = cv.putText(img, 'Distance 1{:.2f}'.format(Five_Eye_Diff[4]), (25, 200), cv.FONT_HERSHEY_SIMPLEX, 1,
                            (218, 112, 214), 2, 4)

else:
       img = cv.putText(img, 'NO FACE DELECTED', (25, 50), cv.FONT_HERSHEY_SIMPLEX, 1.25,
                        (218, 112, 214), 1, 8)

# 记录该帧处理完毕的时间
   end_time = time.time()
   # 计算每秒处理图像的帧数FPS
   FPS = 1 / (end_time - start_time)
   scaler = 1
   img = cv.putText(img, 'FPS' + str(int(FPS)), (25 * scaler, 300 * scaler), cv.FONT_HERSHEY_SIMPLEX,
                        1.25 * scaler, (0, 0, 255), 1, 8)
   return img

# 调用摄像头
cap=cv.VideoCapture(0)

cap.open(0)
# 无限循环，直到break被触发
while cap.isOpened():
   success,frame=cap.read()
   # if not success:
   #     print('ERROR')
   #     break
   frame=process_frame(frame)
   #展示处理后的三通道图像
   cv.imshow('my_window',frame)
   if cv.waitKey(1) &0xff==ord('q'):
       break

cap.release()
cv.destroyAllWindows()

好像也可以识别出哈士奇

达芬奇指标

这里更加深化了上面的代码，增加了更多的指标

import cv2 as cv
import  mediapipe as mp
import numpy as np
from tqdm import tqdm
import time
import  matplotlib.pyplot as plt

# 定义可视化图像函数
def look_img(img):
   img_RGB=cv.cvtColor(img,cv.COLOR_BGR2RGB)
   plt.imshow(img_RGB)
   plt.show()

# 导入三维人脸关键点检测模型
mp_face_mesh=mp.solutions.face_mesh
# help(mp_face_mesh.FaceMesh)

model=mp_face_mesh.FaceMesh(
   static_image_mode=True,#TRUE:静态图片/False:摄像头实时读取
   refine_landmarks=True,#使用Attention Mesh模型
   max_num_faces=40,
   min_detection_confidence=0.2, #置信度阈值，越接近1越准
   min_tracking_confidence=0.5,#追踪阈值
)

# 导入可视化函数和可视化样式
mp_drawing=mp.solutions.drawing_utils
# mp_drawing_styles=mp.solutions.drawing_styles
draw_spec=mp_drawing.DrawingSpec(thickness=2,circle_radius=1,color=[223,155,6])
# 读取图像

img=cv.imread("img.png")
# width=img1.shape[1]
# height=img1.shape[0]
# img=cv.resize(img1,(width*10,height*10))
# look_img(img)

# 将图像模型输入，获取预测结果

# BGR转RGB
img_RGB=cv.cvtColor(img,cv.COLOR_BGR2RGB)

# 将RGB图像输入模型，获取预测结果

results=model.process(img_RGB)
radius=12
lw=2
scaler=1
h,w=img.shape[0],img.shape[1]
# 将RGB图像输入模型，获取预测结果

# # 预测人人脸个数
# len(results.multi_face_landmarks)
#
# print(len(results.multi_face_landmarks))

if results.multi_face_landmarks:
   for face_landmarks  in results.multi_face_landmarks:
       mp_drawing.draw_landmarks(
           image=img,
           landmark_list=face_landmarks,
           connections=mp_face_mesh.FACEMESH_CONTOURS,
           landmark_drawing_spec=draw_spec,
           connection_drawing_spec=draw_spec
       )
       for idx, coord in enumerate(face_landmarks.landmark):
           cx = int(coord.x * w)
           cy = int(coord.y * h)
           img = cv.putText(img, ' FACE DELECTED', (25, 50), cv.FONT_HERSHEY_SIMPLEX, 0.1,
                            (218, 112, 214), 1, 1)
           img = cv.putText(img, str(idx), (cx, cy), cv.FONT_HERSHEY_SIMPLEX, 0.3,
                            (218, 112, 214), 1, 1)

else:
   img = cv.putText(img, 'NO FACE DELECTED', (25, 50), cv.FONT_HERSHEY_SIMPLEX, 1.25,
                    (218, 112, 214), 1, 8)
look_img(img)

# 连轮廓最左侧点
FL=results.multi_face_landmarks[0].landmark[234];
FL_X,FL_Y=int(FL.x*w),int(FL.y*h);FL_Color=(234,0,255)
img=cv.circle(img,(FL_X,FL_Y),radius,FL_Color,-1)
look_img(img)

# 脸上侧边缘
FT=results.multi_face_landmarks[0].landmark[10];#  10 坐标为上图中标注的点的序号
FT_X,FT_Y=int(FT.x*w),int(FT.y*h);FT_Color=(231,141,181)
img=cv.circle(img,(FT_X,FT_Y),radius,FT_Color,-1)
look_img(img)

# 下侧边缘
FB=results.multi_face_landmarks[0].landmark[152];#  152 坐标为上图中标注的点的序号
FB_X,FB_Y=int(FB.x*w),int(FB.y*h);FB_Color=(231,141,181)
img=cv.circle(img,(FB_X,FB_Y),radius,FB_Color,-1)
look_img(img)

# 右侧
FR=results.multi_face_landmarks[0].landmark[454];#  454 坐标为上图中标注的点的序号
FR_X,FR_Y=int(FR.x*w),int(FR.y*h);FR_Color=(0,255,0)
img=cv.circle(img,(FR_X,FR_Y),radius,FR_Color,-1)
look_img(img)

# 左眼左眼角
ELL=results.multi_face_landmarks[0].landmark[33];#  33坐标为上图中标注的点的序号
ELL_X,ELL_Y=int(ELL.x*w),int(ELL.y*h);ELL_Color=(0,255,0)
img=cv.circle(img,(ELL_X,ELL_Y),radius,ELL_Color,-1)
look_img(img)

#左眼右眼角
ELR=results.multi_face_landmarks[0].landmark[133];#  133坐标为上图中标注的点的序号
ELR_X,ELR_Y=int(ELR.x*w),int(ELR.y*h);ELR_Color=(0,255,0)
img=cv.circle(img,(ELR_X,ELR_Y),radius,ELR_Color,-1)
look_img(img)

# 右眼左眼角362
ERL=results.multi_face_landmarks[0].landmark[362];#  133坐标为上图中标注的点的序号
ERL_X,ERL_Y=int(ERL.x*w),int(ERL.y*h);ERL_Color=(233,255,128)
img=cv.circle(img,(ERL_X,ERL_Y),radius,ERL_Color,-1)
look_img(img)

# 右眼右眼角263
ERR=results.multi_face_landmarks[0].landmark[263];#  133坐标为上图中标注的点的序号
ERR_X,ERR_Y=int(ERR.x*w),int(ERR.y*h);ERR_Color=(23,255,128)
img=cv.circle(img,(ERR_X,ERR_Y),radius,ERR_Color,-1)
look_img(img)

# 从左往右六个点的横坐标
Six_X=np.array([FL_X,ELL_X,ELR_X,ERL_X,ERR_X,FR_X])

# 从最左到最右的距离
Left_Right=FR_X-FL_X
# 从左向右六个点的间隔的五个距离一并划归
Five_Distance=100*np.diff(Six_X)/Left_Right

# 两眼宽度的平均值
Eye_Width_Mean=np.mean((Five_Distance[1],Five_Distance[3]))

# 五个距离分别与两眼宽度均值的差
Five_Eye_Diff=Five_Distance-Eye_Width_Mean

# 求L2范数，作为颜值的指标
Five_Eye_Metrics=np.linalg.norm(Five_Eye_Diff)

# 三庭
# 眉心
MX=results.multi_face_landmarks[0].landmark[9];#  9 坐标为上图中标注的点的序号
MX_X,MX_Y=int(MX.x*w),int(MX.y*h);MX_Color=(29,123,234)
img=cv.circle(img,(MX_X,MX_Y),radius,MX_Color,-1)
look_img(img)

# 鼻翼下缘 2

NB=results.multi_face_landmarks[0].landmark[2];#  2 坐标为上图中标注的点的序号
NB_X,NB_Y=int(NB.x*w),int(NB.y*h);NB_Color=(180,187,28)
img=cv.circle(img,(NB_X,NB_Y),radius,NB_Color,-1)
look_img(img)

# 嘴唇中心  13
LC=results.multi_face_landmarks[0].landmark[13];#  17 坐标为上图中标注的点的序号
LC_X,LC_Y=int(LC.x*w),int(LC.y*h);LC_Color=(0,0,258)
img=cv.circle(img,(LC_X,LC_Y),radius,LC_Color,-1)
look_img(img)

# 嘴唇下缘  17
LB=results.multi_face_landmarks[0].landmark[17];#  17 坐标为上图中标注的点的序号
LB_X,LB_Y=int(LB.x*w),int(LB.y*h);LB_Color=(139,0,0)
img=cv.circle(img,(LB_X,LB_Y),radius,LB_Color,-1)
look_img(img)

Six_Y=np.array([FT_Y,MX_Y,NB_Y,LC_Y,LB_Y,FB_Y])

Top_Down=FB_Y-FT_Y

Three_Section_Distance =100*np.diff(Six_Y)/Top_Down

Three_Section_Mrtric_A=np.abs(Three_Section_Distance[1]-sum(Three_Section_Distance[2:]))

# 鼻下到唇心距离 占第三庭的三分之一

Three_Section_Mrtric_B=np.abs(Three_Section_Distance[2]-sum(Three_Section_Distance[2:])/3)

#唇心到下巴尖距离 占 第三庭的二分之一

Three_Section_Mrtric_C=np.abs(sum(Three_Section_Distance[3:])-sum(Three_Section_Distance[2:])/2)

# 达芬奇
# 嘴唇左角  61
LL=results.multi_face_landmarks[0].landmark[61];#  61 坐标为上图中标注的点的序号
LL_X,LL_Y=int(LL.x*w),int(LL.y*h);LL_Color=(255,255,255)
img=cv.circle(img,(LL_X,LL_Y),radius,LL_Color,-1)
look_img(img)

# 嘴唇右角 291
LR=results.multi_face_landmarks[0].landmark[291];#  291 坐标为上图中标注的点的序号
LR_X,LR_Y=int(LR.x*w),int(LR.y*h);LR_Color=(255,255,255)
img=cv.circle(img,(LR_X,LR_Y),radius,LR_Color,-1)
look_img(img)

# 鼻子左缘 129
NL=results.multi_face_landmarks[0].landmark[129];#  291 坐标为上图中标注的点的序号
NL_X,NL_Y=int(NL.x*w),int(NL.y*h);NL_Color=(255,255,255)
img=cv.circle(img,(NL_X,NL_Y),radius,NL_Color,-1)
look_img(img)

# 鼻子右缘 358
NR=results.multi_face_landmarks[0].landmark[358];#  358 坐标为上图中标注的点的序号
NR_X,NR_Y=int(NR.x*w),int(NR.y*h);NR_Color=(255,255,255)
img=cv.circle(img,(NR_X,NR_Y),radius,NR_Color,-1)
look_img(img)

# 嘴宽为鼻宽的1.5/1.6倍
Da_Vinci=(LR.x-LL.x)/(NR.x-NL.x)

# 眉毛

# 左眉毛左眉角 46
EBLL=results.multi_face_landmarks[0].landmark[46];#  46 坐标为上图中标注的点的序号
EBLL_X,EBLL_Y=int(EBLL.x*w),int(EBLL.y*h);EBLL_Color=(255,355,155)
img=cv.circle(img,(EBLL_X,EBLL_Y),radius,EBLL_Color,-1)
look_img(img)

# 左眉毛眉峰 105
EBLT=results.multi_face_landmarks[0].landmark[105];#  105 坐标为上图中标注的点的序号
EBLT_X,EBLT_Y=int(EBLT.x*w),int(EBLT.y*h);EBLT_Color=(255,355,155)
img=cv.circle(img,(EBLT_X,EBLT_Y),radius,EBLT_Color,-1)
look_img(img)

#左眉毛右角 107
EBLR=results.multi_face_landmarks[0].landmark[107];#  107 坐标为上图中标注的点的序号
EBLR_X,EBLR_Y=int(EBLR.x*w),int(EBLR.y*h);EBLR_Color=(255,355,155)
img=cv.circle(img,(EBLR_X,EBLR_Y),radius,EBLR_Color,-1)
look_img(img)

# 右眉毛左角 336
EBRL=results.multi_face_landmarks[0].landmark[336];#  336 坐标为上图中标注的点的序号
EBRL_X,EBRL_Y=int(EBRL.x*w),int(EBRL.y*h);EBRL_Color=(295,355,105)
img=cv.circle(img,(EBRL_X,EBRL_Y),radius,EBRL_Color,-1)
look_img(img)

# 右眉毛眉峰 334
EBRT=results.multi_face_landmarks[0].landmark[334];#  334 坐标为上图中标注的点的序号
EBRT_X,EBRT_Y=int(EBRT.x*w),int(EBRT.y*h);EBRT_Color=( 355,155,155)
img=cv.circle(img,(EBRT_X,EBRT_Y),radius,EBRT_Color,-1)
look_img(img)

# 右眉毛右角 276
EBRR=results.multi_face_landmarks[0].landmark[276];#  107 坐标为上图中标注的点的序号
EBRR_X,EBRR_Y=int(EBRR.x*w),int(EBRR.y*h);EBRR_Color=(155,305,195)
img=cv.circle(img,(EBRR_X,EBRR_Y),radius,EBRR_Color,-1)
look_img(img)

# 眉头是否在眼角的正上方
EB_Metric_A=(EBLR_X-ELR_X)/Left_Right
EB_Metric_B=(EBRL_X-ERL_X)/Left_Right

EB_Metric_C=(EBLT_X-ELL_X)/Left_Right
EB_Metric_D=(EBRT_X-ERR_X)/Left_Right

EB_Metric_E=0.5*np.linalg.det([[EBLL_X,EBLL_Y,1],[ELL_X,ELL_Y,1],[NL_X,NL_Y,1]])/(Left_Right)**2

EB_Metric_F=0.5*np.linalg.det([[EBRR_X,EBRR_Y,1],[ERR_X,ERR_Y,1],[NR_X,NR_Y,1]])/(Left_Right)**2

cv.line(img,(EBLL_X,EBLL_Y),(ELL_X,ELL_Y),EBLL_Color,lw)
cv.line(img,(ELL_X,ELL_Y),(NL_X,NL_Y),EBLL_Color,lw)
cv.line(img,(EBLL_X,EBLL_Y),(NL_X,NL_Y),EBLL_Color,lw)

cv.line(img,(EBRR_X,EBRR_Y),(ERR_X,ERR_Y),EBLL_Color,lw)
cv.line(img,(EBRR_X,EBRR_Y),(NR_X,NR_Y),EBLL_Color,lw)
cv.line(img,(EBRR_X,EBRR_Y),(NR_X,NR_Y),EBLL_Color,lw)
look_img(img)

#左内眼角上点 157
ELRT=results.multi_face_landmarks[0].landmark[157];#  157 坐标为上图中标注的点的序号
ELRT_X,ELRT_Y=int(ELRT.x*w),int(ELRT.y*h);ELRT_Color=(155,305,195)
img=cv.circle(img,(ELRT_X,ELRT_Y),radius,ELRT_Color,-1)
look_img(img)

#左内眼角下点   154
ELRB=results.multi_face_landmarks[0].landmark[154];#  154 坐标为上图中标注的点的序号
ELRB_X,ELRB_Y=int(ELRB.x*w),int(ELRB.y*h);ELRB_Color=(155,305,195)
img=cv.circle(img,(ELRB_X,ELRB_Y),radius,ELRB_Color,-1)
look_img(img)

#右内眼角上点 384
ERLT=results.multi_face_landmarks[0].landmark[384];#  384 坐标为上图中标注的点的序号
ERLT_X,ERLT_Y=int(ERLT.x*w),int(ERLT.y*h);ERLT_Color=(155,305,195)
img=cv.circle(img,(ERLT_X,ERLT_Y),radius,ERLT_Color,-1)
look_img(img)

# 右内眼角下点  381
ERRB=results.multi_face_landmarks[0].landmark[381];#  384 坐标为上图中标注的点的序号
ERRB_X,ERRB_Y=int(ERRB.x*w),int(ERRB.y*h);ERRB_Color=(155,305,195)
img=cv.circle(img,(ERRB_X,ERRB_Y),radius,ERRB_Color,-1)
look_img(img)

# 角度
vector_a=np.array([ELRT_X-ELR_X,ELRT_Y-ELR_Y])
vector_b=np.array([ELRB_X-ELR_X,ELRB_Y-ELR_Y])
cos=vector_a.dot(vector_b)/(np.linalg.norm(vector_a)*np.linalg.norm(vector_b))
EB_Metric_G=np.degrees(np.arccos(cos))

vector_a=np.array([ERLT_X-ERL_X,ERLT_Y-ERL_Y])
vector_b=np.array([ERRB_X-ERL_X,ERRB_Y-ERL_Y])
cos=vector_a.dot(vector_b)/(np.linalg.norm(vector_a)*np.linalg.norm(vector_b))
EB_Metric_H=np.degrees(np.arccos(cos))

# 可视化
cv.line(img,(FL_X,FT_Y),(FL_X,FB_Y),FL_Color,3)
cv.line(img,(ELL_X,FT_Y),(ELL_X,FB_Y),ELL_Color,3)
cv.line(img,(ELR_X,FT_Y),(ELR_X,FB_Y),ELR_Color,3)
cv.line(img,(ERL_X,FT_Y),(ERL_X,FB_Y),ERL_Color,3)
cv.line(img,(ERR_X,FT_Y),(ERR_X,FB_Y),ERR_Color,3)
cv.line(img,(FR_X,FT_Y),(FR_X,FB_Y),FR_Color,3)
cv.line(img,(FL_X,FT_Y),(FR_X,FT_Y),FT_Color,3)
cv.line(img,(FL_X,FB_Y),(FR_X,FB_Y),FB_Color,3)

cv.line(img,(FL_X,MX_Y),(FR_X,MX_Y),MX_Color,lw)
cv.line(img,(FL_X,NB_Y),(FR_X,NB_Y),NB_Color,lw)
cv.line(img,(FL_X,LC_Y),(FR_X,LC_Y),LC_Color,lw)
cv.line(img,(FL_X,LB_Y),(FR_X,LB_Y),LB_Color,lw)

scaler=1
img = cv.putText(img, 'Five Eye Metrics{:.2f}'.format(Five_Eye_Metrics), (25, 50), cv.FONT_HERSHEY_SIMPLEX, 1,
                (218, 112, 214), 3, 10)
img = cv.putText(img, 'A{:.2f}'.format(Five_Eye_Diff[0]), (25, 100), cv.FONT_HERSHEY_SIMPLEX, 1,
                (218, 112, 214), 3, 10)
img = cv.putText(img, 'B{:.2f}'.format(Five_Eye_Diff[2]), (25, 150), cv.FONT_HERSHEY_SIMPLEX, 1,
                (218, 112, 214), 3, 10)
img = cv.putText(img, 'C{:.2f}'.format(Five_Eye_Diff[4]), (25, 200), cv.FONT_HERSHEY_SIMPLEX,1,
                (218, 112, 214), 3, 10)
img = cv.putText(img, 'Three Scetion{:.2f}'.format(Three_Section_Mrtric_A), (25, 300), cv.FONT_HERSHEY_SIMPLEX,1,
                (218, 112, 214), 3, 10)
img = cv.putText(img, '1/3{:.2f}'.format(Three_Section_Mrtric_B), (25, 400), cv.FONT_HERSHEY_SIMPLEX,1,
                (218, 112, 214), 3, 10)
img = cv.putText(img, '1/2{:.2f}'.format(Three_Section_Mrtric_C), (25, 500), cv.FONT_HERSHEY_SIMPLEX,1,
                (218, 112, 214), 3, 10)
img = cv.putText(img, 'Da Vinci{:.2f}'.format(Da_Vinci), (25, 600), cv.FONT_HERSHEY_SIMPLEX,1,
                (218, 112, 214), 3, 10)
look_img(img)

在这张图上体现了更加细致的指标

摄像头实时达芬奇颜值指标

与上面操作流程类似，可参考上面的流程 

import cv2 as cv
import  mediapipe as mp
import numpy as np
from tqdm import tqdm
import time
import  matplotlib.pyplot as plt

# 定义可视化图像函数
def look_img(img):
   img_RGB=cv.cvtColor(img,cv.COLOR_BGR2RGB)
   plt.imshow(img_RGB)
   plt.show()

# 导入三维人脸关键点检测模型
mp_face_mesh=mp.solutions.face_mesh
# help(mp_face_mesh.FaceMesh)

model=mp_face_mesh.FaceMesh(
   static_image_mode=False,#TRUE:静态图片/False:摄像头实时读取
   refine_landmarks=True,#使用Attention Mesh模型
   max_num_faces=5,
   min_detection_confidence=0.5, #置信度阈值，越接近1越准
   min_tracking_confidence=0.5,#追踪阈值
)

# 导入可视化函数和可视化样式
mp_drawing=mp.solutions.drawing_utils
# mp_drawing_styles=mp.solutions.drawing_styles
draw_spec=mp_drawing.DrawingSpec(thickness=2,circle_radius=1,color=[66,77,229])
landmark_drawing_spec=mp_drawing.DrawingSpec(thickness=1,circle_radius=2,color=[66,77,229])
# 轮廓可视化
connection_drawing_spec=mp_drawing.DrawingSpec(thickness=2,circle_radius=1,color=[233,155,6])

# 处理帧函数
def process_frame(img):
   start_time = time.time()
   scaler = 1
   scaler = 1
   radius = 12
   lw = 2
   scaler = 1
   h, w = img.shape[0], img.shape[1]
   img_RGB = cv.cvtColor(img, cv.COLOR_BGR2RGB)
   results = model.process(img_RGB)
   if results.multi_face_landmarks:
       # for face_landmarks in results.multi_face_landmarks:
       # 连轮廓最左侧点
       FL = results.multi_face_landmarks[0].landmark[234];
       FL_X, FL_Y = int(FL.x * w), int(FL.y * h);
       FL_Color = (234, 0, 255)
       img = cv.circle(img, (FL_X, FL_Y), 5, FL_Color, -1)
       look_img(img)

# 脸上侧边缘
       FT = results.multi_face_landmarks[0].landmark[10];  # 10 坐标为上图中标注的点的序号
       FT_X, FT_Y = int(FT.x * w), int(FT.y * h);
       FT_Color = (231, 141, 181)
       img = cv.circle(img, (FT_X, FT_Y), 5, FT_Color, -1)
       look_img(img)

# 下侧边缘
       FB = results.multi_face_landmarks[0].landmark[152];  # 152 坐标为上图中标注的点的序号
       FB_X, FB_Y = int(FB.x * w), int(FB.y * h);
       FB_Color = (231, 141, 181)
       img = cv.circle(img, (FB_X, FB_Y), 5, FB_Color, -1)
       look_img(img)

# 右侧
       FR = results.multi_face_landmarks[0].landmark[454];  # 454 坐标为上图中标注的点的序号
       FR_X, FR_Y = int(FR.x * w), int(FR.y * h);
       FR_Color = (0, 255, 0)
       img = cv.circle(img, (FR_X, FR_Y), 5, FR_Color, -1)
       look_img(img)

# 左眼左眼角
       ELL = results.multi_face_landmarks[0].landmark[33];  # 33坐标为上图中标注的点的序号
       ELL_X, ELL_Y = int(ELL.x * w), int(ELL.y * h);
       ELL_Color = (0, 255, 0)
       img = cv.circle(img, (ELL_X, ELL_Y), 5, ELL_Color, -1)
       look_img(img)

# 左眼右眼角
       ELR = results.multi_face_landmarks[0].landmark[133];  # 133坐标为上图中标注的点的序号
       ELR_X, ELR_Y = int(ELR.x * w), int(ELR.y * h);
       ELR_Color = (0, 255, 0)
       img = cv.circle(img, (ELR_X, ELR_Y), 5, ELR_Color, -1)
       look_img(img)

# 右眼左眼角362
       ERL = results.multi_face_landmarks[0].landmark[362];  # 133坐标为上图中标注的点的序号
       ERL_X, ERL_Y = int(ERL.x * w), int(ERL.y * h);
       ERL_Color = (233, 255, 128)
       img = cv.circle(img, (ERL_X, ERL_Y), 5, ERL_Color, -1)
       look_img(img)

# 右眼右眼角263
       ERR = results.multi_face_landmarks[0].landmark[263];  # 133坐标为上图中标注的点的序号
       ERR_X, ERR_Y = int(ERR.x * w), int(ERR.y * h);
       ERR_Color = (23, 255, 128)
       img = cv.circle(img, (ERR_X, ERR_Y), 5, ERR_Color, -1)
       look_img(img)

# 从左往右六个点的横坐标
       Six_X = np.array([FL_X, ELL_X, ELR_X, ERL_X, ERR_X, FR_X])

# 从最左到最右的距离
       Left_Right = FR_X - FL_X
       # 从左向右六个点的间隔的五个距离一并划归
       Five_Distance = 100 * np.diff(Six_X) / Left_Right

# 两眼宽度的平均值
       Eye_Width_Mean = np.mean((Five_Distance[1], Five_Distance[3]))

# 五个距离分别与两眼宽度均值的差
       Five_Eye_Diff = Five_Distance - Eye_Width_Mean

# 求L2范数，作为颜值的指标
       Five_Eye_Metrics = np.linalg.norm(Five_Eye_Diff)

cv.line(img, (FL_X, FT_Y), (FL_X, FB_Y), FL_Color, 3)
       cv.line(img, (ELL_X, FT_Y), (ELL_X, FB_Y), ELL_Color, 3)
       cv.line(img, (ELR_X, FT_Y), (ELR_X, FB_Y), ELR_Color, 3)
       cv.line(img, (ERL_X, FT_Y), (ERL_X, FB_Y), ERL_Color, 3)
       cv.line(img, (ERR_X, FT_Y), (ERR_X, FB_Y), ERR_Color, 3)
       cv.line(img, (FR_X, FT_Y), (FR_X, FB_Y), FR_Color, 3)
       cv.line(img, (FL_X, FT_Y), (FR_X, FT_Y), FT_Color, 3)
       cv.line(img, (FL_X, FB_Y), (FR_X, FB_Y), FB_Color, 3)
       # 三庭
       # 眉心
       MX = results.multi_face_landmarks[0].landmark[9];  # 9 坐标为上图中标注的点的序号
       MX_X, MX_Y = int(MX.x * w), int(MX.y * h);
       MX_Color = (29, 123, 234)
       img = cv.circle(img, (MX_X, MX_Y), radius, MX_Color, -1)
       look_img(img)

# 鼻翼下缘 2

NB = results.multi_face_landmarks[0].landmark[2];  # 2 坐标为上图中标注的点的序号
       NB_X, NB_Y = int(NB.x * w), int(NB.y * h);
       NB_Color = (180, 187, 28)
       img = cv.circle(img, (NB_X, NB_Y), radius, NB_Color, -1)
       look_img(img)

# 嘴唇中心  13
       LC = results.multi_face_landmarks[0].landmark[13];  # 17 坐标为上图中标注的点的序号
       LC_X, LC_Y = int(LC.x * w), int(LC.y * h);
       LC_Color = (0, 0, 258)
       img = cv.circle(img, (LC_X, LC_Y), radius, LC_Color, -1)
       look_img(img)

# 嘴唇下缘  17
       LB = results.multi_face_landmarks[0].landmark[17];  # 17 坐标为上图中标注的点的序号
       LB_X, LB_Y = int(LB.x * w), int(LB.y * h);
       LB_Color = (139, 0, 0)
       img = cv.circle(img, (LB_X, LB_Y), radius, LB_Color, -1)
       look_img(img)

Six_Y = np.array([FT_Y, MX_Y, NB_Y, LC_Y, LB_Y, FB_Y])

Top_Down = FB_Y - FT_Y

Three_Section_Distance = 100 * np.diff(Six_Y) / Top_Down

Three_Section_Mrtric_A = np.abs(Three_Section_Distance[1] - sum(Three_Section_Distance[2:]))

# 鼻下到唇心距离 占第三庭的三分之一

Three_Section_Mrtric_B = np.abs(Three_Section_Distance[2] - sum(Three_Section_Distance[2:]) / 3)

# 唇心到下巴尖距离 占 第三庭的二分之一

Three_Section_Mrtric_C = np.abs(sum(Three_Section_Distance[3:]) - sum(Three_Section_Distance[2:]) / 2)

# 达芬奇
       # 嘴唇左角  61
       LL = results.multi_face_landmarks[0].landmark[61];  # 61 坐标为上图中标注的点的序号
       LL_X, LL_Y = int(LL.x * w), int(LL.y * h);
       LL_Color = (255, 255, 255)
       img = cv.circle(img, (LL_X, LL_Y), radius, LL_Color, -1)
       look_img(img)

# 嘴唇右角 291
       LR = results.multi_face_landmarks[0].landmark[291];  # 291 坐标为上图中标注的点的序号
       LR_X, LR_Y = int(LR.x * w), int(LR.y * h);
       LR_Color = (255, 255, 255)
       img = cv.circle(img, (LR_X, LR_Y), radius, LR_Color, -1)
       look_img(img)

# 鼻子左缘 129
       NL = results.multi_face_landmarks[0].landmark[129];  # 291 坐标为上图中标注的点的序号
       NL_X, NL_Y = int(NL.x * w), int(NL.y * h);
       NL_Color = (255, 255, 255)
       img = cv.circle(img, (NL_X, NL_Y), radius, NL_Color, -1)
       look_img(img)

# 鼻子右缘 358
       NR = results.multi_face_landmarks[0].landmark[358];  # 358 坐标为上图中标注的点的序号
       NR_X, NR_Y = int(NR.x * w), int(NR.y * h);
       NR_Color = (255, 255, 255)
       img = cv.circle(img, (NR_X, NR_Y), radius, NR_Color, -1)
       look_img(img)

# 嘴宽为鼻宽的1.5/1.6倍
       Da_Vinci = (LR.x - LL.x) / (NR.x - NL.x)

# 眉毛

# 左眉毛左眉角 46
       EBLL = results.multi_face_landmarks[0].landmark[46];  # 46 坐标为上图中标注的点的序号
       EBLL_X, EBLL_Y = int(EBLL.x * w), int(EBLL.y * h);
       EBLL_Color = (255, 355, 155)
       img = cv.circle(img, (EBLL_X, EBLL_Y), radius, EBLL_Color, -1)
       look_img(img)

# 左眉毛眉峰 105
       EBLT = results.multi_face_landmarks[0].landmark[105];  # 105 坐标为上图中标注的点的序号
       EBLT_X, EBLT_Y = int(EBLT.x * w), int(EBLT.y * h);
       EBLT_Color = (255, 355, 155)
       img = cv.circle(img, (EBLT_X, EBLT_Y), radius, EBLT_Color, -1)
       look_img(img)

# 左眉毛右角 107
       EBLR = results.multi_face_landmarks[0].landmark[107];  # 107 坐标为上图中标注的点的序号
       EBLR_X, EBLR_Y = int(EBLR.x * w), int(EBLR.y * h);
       EBLR_Color = (255, 355, 155)
       img = cv.circle(img, (EBLR_X, EBLR_Y), radius, EBLR_Color, -1)
       look_img(img)

# 右眉毛左角 336
       EBRL = results.multi_face_landmarks[0].landmark[336];  # 336 坐标为上图中标注的点的序号
       EBRL_X, EBRL_Y = int(EBRL.x * w), int(EBRL.y * h);
       EBRL_Color = (295, 355, 105)
       img = cv.circle(img, (EBRL_X, EBRL_Y), radius, EBRL_Color, -1)
       look_img(img)

# 右眉毛眉峰 334
       EBRT = results.multi_face_landmarks[0].landmark[334];  # 334 坐标为上图中标注的点的序号
       EBRT_X, EBRT_Y = int(EBRT.x * w), int(EBRT.y * h);
       EBRT_Color = (355, 155, 155)
       img = cv.circle(img, (EBRT_X, EBRT_Y), radius, EBRT_Color, -1)
       look_img(img)

# 右眉毛右角 276
       EBRR = results.multi_face_landmarks[0].landmark[276];  # 107 坐标为上图中标注的点的序号
       EBRR_X, EBRR_Y = int(EBRR.x * w), int(EBRR.y * h);
       EBRR_Color = (155, 305, 195)
       img = cv.circle(img, (EBRR_X, EBRR_Y), radius, EBRR_Color, -1)
       look_img(img)

# 眉头是否在眼角的正上方
       EB_Metric_A = (EBLR_X - ELR_X) / Left_Right
       EB_Metric_B = (EBRL_X - ERL_X) / Left_Right

EB_Metric_C = (EBLT_X - ELL_X) / Left_Right
       EB_Metric_D = (EBRT_X - ERR_X) / Left_Right

EB_Metric_E = 0.5 * np.linalg.det([[EBLL_X, EBLL_Y, 1], [ELL_X, ELL_Y, 1], [NL_X, NL_Y, 1]]) / (Left_Right) ** 2

EB_Metric_F = 0.5 * np.linalg.det([[EBRR_X, EBRR_Y, 1], [ERR_X, ERR_Y, 1], [NR_X, NR_Y, 1]]) / (Left_Right) ** 2

cv.line(img, (EBLL_X, EBLL_Y), (ELL_X, ELL_Y), EBLL_Color, lw)
       cv.line(img, (ELL_X, ELL_Y), (NL_X, NL_Y), EBLL_Color, lw)
       cv.line(img, (EBLL_X, EBLL_Y), (NL_X, NL_Y), EBLL_Color, lw)

cv.line(img, (EBRR_X, EBRR_Y), (ERR_X, ERR_Y), EBLL_Color, lw)
       cv.line(img, (EBRR_X, EBRR_Y), (NR_X, NR_Y), EBLL_Color, lw)
       cv.line(img, (EBRR_X, EBRR_Y), (NR_X, NR_Y), EBLL_Color, lw)
       look_img(img)

# 左内眼角上点 157
       ELRT = results.multi_face_landmarks[0].landmark[157];  # 157 坐标为上图中标注的点的序号
       ELRT_X, ELRT_Y = int(ELRT.x * w), int(ELRT.y * h);
       ELRT_Color = (155, 305, 195)
       img = cv.circle(img, (ELRT_X, ELRT_Y), radius, ELRT_Color, -1)
       look_img(img)

# 左内眼角下点   154
       ELRB = results.multi_face_landmarks[0].landmark[154];  # 154 坐标为上图中标注的点的序号
       ELRB_X, ELRB_Y = int(ELRB.x * w), int(ELRB.y * h);
       ELRB_Color = (155, 305, 195)
       img = cv.circle(img, (ELRB_X, ELRB_Y), radius, ELRB_Color, -1)
       look_img(img)

# 右内眼角上点 384
       ERLT = results.multi_face_landmarks[0].landmark[384];  # 384 坐标为上图中标注的点的序号
       ERLT_X, ERLT_Y = int(ERLT.x * w), int(ERLT.y * h);
       ERLT_Color = (155, 305, 195)
       img = cv.circle(img, (ERLT_X, ERLT_Y), radius, ERLT_Color, -1)
       look_img(img)

# 右内眼角下点  381
       ERRB = results.multi_face_landmarks[0].landmark[381];  # 384 坐标为上图中标注的点的序号
       ERRB_X, ERRB_Y = int(ERRB.x * w), int(ERRB.y * h);
       ERRB_Color = (155, 305, 195)
       img = cv.circle(img, (ERRB_X, ERRB_Y), radius, ERRB_Color, -1)
       look_img(img)

# 角度
       vector_a = np.array([ELRT_X - ELR_X, ELRT_Y - ELR_Y])
       vector_b = np.array([ELRB_X - ELR_X, ELRB_Y - ELR_Y])
       cos = vector_a.dot(vector_b) / (np.linalg.norm(vector_a) * np.linalg.norm(vector_b))
       EB_Metric_G = np.degrees(np.arccos(cos))

vector_a = np.array([ERLT_X - ERL_X, ERLT_Y - ERL_Y])
       vector_b = np.array([ERRB_X - ERL_X, ERRB_Y - ERL_Y])
       cos = vector_a.dot(vector_b) / (np.linalg.norm(vector_a) * np.linalg.norm(vector_b))
       EB_Metric_H = np.degrees(np.arccos(cos))

# 可视化
       cv.line(img, (FL_X, FT_Y), (FL_X, FB_Y), FL_Color, 3)
       cv.line(img, (ELL_X, FT_Y), (ELL_X, FB_Y), ELL_Color, 3)
       cv.line(img, (ELR_X, FT_Y), (ELR_X, FB_Y), ELR_Color, 3)
       cv.line(img, (ERL_X, FT_Y), (ERL_X, FB_Y), ERL_Color, 3)
       cv.line(img, (ERR_X, FT_Y), (ERR_X, FB_Y), ERR_Color, 3)
       cv.line(img, (FR_X, FT_Y), (FR_X, FB_Y), FR_Color, 3)
       cv.line(img, (FL_X, FT_Y), (FR_X, FT_Y), FT_Color, 3)
       cv.line(img, (FL_X, FB_Y), (FR_X, FB_Y), FB_Color, 3)

cv.line(img, (FL_X, MX_Y), (FR_X, MX_Y), MX_Color, lw)
       cv.line(img, (FL_X, NB_Y), (FR_X, NB_Y), NB_Color, lw)
       cv.line(img, (FL_X, LC_Y), (FR_X, LC_Y), LC_Color, lw)
       cv.line(img, (FL_X, LB_Y), (FR_X, LB_Y), LB_Color, lw)

img = cv.putText(img, 'Five Eye Metrics{:.2f}'.format(Five_Eye_Metrics), (25, 50), cv.FONT_HERSHEY_SIMPLEX, 1,
                        (218, 112, 214), 3, 10)
       img = cv.putText(img, 'A{:.2f}'.format(Five_Eye_Diff[0]), (25, 100), cv.FONT_HERSHEY_SIMPLEX, 1,
                        (218, 112, 214), 3, 10)
       img = cv.putText(img, 'B{:.2f}'.format(Five_Eye_Diff[2]), (25, 150), cv.FONT_HERSHEY_SIMPLEX, 1,
                        (218, 112, 214), 3, 10)
       img = cv.putText(img, 'C{:.2f}'.format(Five_Eye_Diff[4]), (25, 200), cv.FONT_HERSHEY_SIMPLEX, 1,
                        (218, 112, 214), 3, 10)
       img = cv.putText(img, 'Three Scetion{:.2f}'.format(Three_Section_Mrtric_A), (25, 300), cv.FONT_HERSHEY_SIMPLEX,
                        1,
                        (218, 112, 214), 3, 10)
       img = cv.putText(img, '1/3{:.2f}'.format(Three_Section_Mrtric_B), (25, 400), cv.FONT_HERSHEY_SIMPLEX, 1,
                        (218, 112, 214), 3, 10)
       img = cv.putText(img, '1/2{:.2f}'.format(Three_Section_Mrtric_C), (25, 500), cv.FONT_HERSHEY_SIMPLEX, 1,
                        (218, 112, 214), 3, 10)
       img = cv.putText(img, 'Da Vinci{:.2f}'.format(Da_Vinci), (25, 600), cv.FONT_HERSHEY_SIMPLEX, 1,
                        (218, 112, 214), 3, 10)

look_img(img)

img = cv.putText(img, 'Five Eye Metrics{:.2f}'.format(Five_Eye_Metrics), (25, 50), cv.FONT_HERSHEY_SIMPLEX,
                        1,
                        (218, 112, 214), 2, 6)
       img = cv.putText(img, 'Distance 1{:.2f}'.format(Five_Eye_Diff[0]), (25, 100), cv.FONT_HERSHEY_SIMPLEX, 1,
                        (218, 112, 214), 2, 5)
       img = cv.putText(img, 'Distance 1{:.2f}'.format(Five_Eye_Diff[2]), (25, 150), cv.FONT_HERSHEY_SIMPLEX, 1,
                        (218, 112, 214), 2, 4)
       img = cv.putText(img, 'Distance 1{:.2f}'.format(Five_Eye_Diff[4]), (25, 200), cv.FONT_HERSHEY_SIMPLEX, 1,
                        (218, 112, 214), 2, 4)

else:
       img = cv.putText(img, 'NO FACE DELECTED', (25, 50), cv.FONT_HERSHEY_SIMPLEX, 1.25,
                        (218, 112, 214), 1, 8)

# 记录该帧处理完毕的时间
   end_time = time.time()
   # 计算每秒处理图像的帧数FPS
   FPS = 1 / (end_time - start_time)
   scaler = 1
   img = cv.putText(img, 'FPS' + str(int(FPS)), (25 * scaler, 700 * scaler), cv.FONT_HERSHEY_SIMPLEX,
                        1.25 * scaler, (0, 0, 255), 1, 8)
   return img

# 调用摄像头
cap=cv.VideoCapture(0)

cap.open(0)
# 无限循环，直到break被触发
while cap.isOpened():
   success,frame=cap.read()
   # if not success:
   #     print('ERROR')
   #     break
   frame=process_frame(frame)
   #展示处理后的三通道图像
   cv.imshow('my_window',frame)
   if cv.waitKey(1) &0xff==ord('q'):
       break
cap.release()
cv.destroyAllWindows()

来源：https://blog.csdn.net/weixin_52465909/article/details/122183670