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model_working.py
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model_working.py
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import tensorflow as tf
import cv2
import matplotlib.pyplot as plt
import numpy as np
%matplotlib inline
model_pred = tf.keras.models.load_model('CKmodel.h5')
model_pred.compile(loss='categorical_crossentropy',
optimizer='adam',
metrics=['accuracy'])
face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
exp = ['Angry','Happy','Sad','Surprise']
MODEL_MEAN_VALUES = (78.4263377603, 87.7689143744, 114.895847746)
age_list = ['(0 - 2)', '(4 - 6)', '(8 - 12)', '(15 - 20)', '(25 - 32)', '(38 - 43)', '(48 - 53)', '(60 - 100)']
gender_list = ['Male', 'Female']
def load_caffe_models():
age_net = cv2.dnn.readNetFromCaffe('deploy_age.prototxt', 'age_net.caffemodel')
gender_net = cv2.dnn.readNetFromCaffe('deploy_gender.prototxt', 'gender_net.caffemodel')
return(age_net, gender_net)
age_net , gender_net = load_caffe_models()
def detect_face(img):
flag = False
face_img = img.copy()
face_rects = face_cascade.detectMultiScale(face_img)
for (x,y,w,h) in face_rects:
cv2.rectangle(face_img, (x,y), (x+w,y+h), (255,255,255), 2)
crop_img = face_img[y:y+h,x:x+w]
flag = True
crop = crop_img.copy()
crop = cv2.resize(crop,(48,48))
crop = crop.reshape(1,48,48,3)
crop = crop.astype('float64')
pred = model_pred.predict(crop)
n1 = int(np.random.randint(0,256,1))
n2 = int(np.random.randint(0,256,1))
n3 = int(np.random.randint(0,256,1))
text = exp[pred.argmax()]
cv2.putText(face_img,text,(x,y-30),fontFace = cv2.FONT_ITALIC,
fontScale = 2,color=[n1,n2,n3],thickness=5)
crop_img = cv2.resize(crop_img,(227,227))
blob = cv2.dnn.blobFromImage(crop_img, 1, (227, 227), MODEL_MEAN_VALUES, swapRB=False)
age_net.setInput(blob)
age_preds = age_net.forward()
age = age_list[age_preds[0].argmax()]
text = 'Age : ' + age
cv2.putText(face_img,text,(x-20,y+h+50),fontFace = cv2.FONT_HERSHEY_SIMPLEX,
fontScale = 1,color=[0,220,0],thickness=3)
gender_net.setInput(blob)
gender_preds = gender_net.forward()
gender = gender_list[gender_preds[0].argmax()]
text = 'Gender : '+ gender
cv2.putText(face_img,text,(x+w+2,y+int(h/2)+20),fontFace = cv2.FONT_HERSHEY_SIMPLEX,
fontScale = 1,color=[0,0,255],thickness=3)
if(flag):
return face_img
else:
return face_img
width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
writer = cv2.VideoWriter('video_out.mp4', cv2.VideoWriter_fourcc(*'XVID'),15, (width, height))
cap = cv2.VideoCapture(0)
while True:
ret, frame = cap.read()
frame = detect_face(frame)
writer.write(frame)
cv2.imshow('Video Face Detection', frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
cap.release()
writer.release()
cv2.destroyAllWindows()