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test
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test
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```python3.7
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import cv2
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import threading
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face_cascade_path = 'C:/Users/User/anaconda3/Lib/site-packages/cv2/data/haarcascade_frontalface_alt2.xml' #顔用cascade分類器
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upperbody_cascade_path = 'C:/Users/User/anaconda3/Lib/site-packages/cv2/data/haarcascade_upperbody.xml' #上半身用cascade分類器
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lowerbody_cascade_path = 'C:/Users/User/anaconda3/Lib/site-packages/cv2/data/haarcascade_lowerbody.xml' #下半身用cascade分類器
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#全身だけHOG特徴量を使って検出
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global hog
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hog = cv2.HOGDescriptor()
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hog.setSVMDetector(cv2.HOGDescriptor_getDefaultPeopleDetector())
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face_cascade = cv2.CascadeClassifier(face_cascade_path)
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#fullbody_cascade = cv2.CascadeClassifier(fullbody_cascade_path)
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upperbody_cascade = cv2.CascadeClassifier(upperbody_cascade_path)
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lowerbody_cascade = cv2.CascadeClassifier(lowerbody_cascade_path)
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#顔検出用矩形描画スレッド
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def face_rectangle(img, img_gray, faces):
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for x, y, w, h in faces:
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cv2.rectangle(img, (x,y), (x+w, y+h), (0, 0, 255), 2)
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face = img[y:y+h, x:x+w]
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face_gray = img_gray[y:y+h, x:x+w]
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#全身検出用矩形描画スレッド
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def fullbody_rectangle(img, fullbodys):
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for x, y, w, h in fullbodys:
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cv2.rectangle(img, (x,y), (x+w, y+h), (0, 255, 0), 2)
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#上半身検出用矩形描画スレッド
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def upperbody_rectangle(img, img_gray, upperbodys):
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for x, y, w, h in upperbodys:
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cv2.rectangle(img, (x,y), (x+w, y+h), (0, 255, 0), 2)
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upperbody = img[y:y+h, x:x+w]
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upperbody_gray = img_gray[y:y+h, x:x+w]
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#下半身検出用矩形描画スレッド
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def lowerbody_rectangle(img, img_gray, lowerbodys):
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for x, y, w, h in lowerbodys:
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cv2.rectangle(img, (x,y), (x+w, y+h), (0, 255, 0), 2)
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lowerbody = img[y:y+h, x:x+w]
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lowerbody_gray = img_gray[y:y+h, x:x+w]
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#カメラキャプチャ
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cap = cv2.VideoCapture(0)
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if __name__ == '__main__':
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while(cap.isOpened()):
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ret, frame = cap.read()
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cv2.resize(frame, (320, 240)) #画像縮小(ここが機能していない)
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frame_gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
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faces = face_cascade.detectMultiScale(frame_gray, 1.11, 3)
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fullbodys, features = hog.detectMultiScale(frame, winStride = (8, 8), padding = (32, 32), scale = 1.05)
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upperbodys = upperbody_cascade.detectMultiScale(frame_gray, 1.11, 3)
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lowerbodys = lowerbody_cascade.detectMultiScale(frame_gray, 1.11, 3)
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t1 = threading.Thread(target = face_rectangle, args = (frame, frame_gray, faces))
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t2 = threading.Thread(target = fullbody_rectangle, args = (frame, fullbodys))
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t3 = threading.Thread(target = upperbody_rectangle, args = (frame, frame_gray, upperbodys))
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t4 = threading.Thread(target = lowerbody_rectangle, args = (frame, frame_gray, lowerbodys))
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t1.start()
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t2.start()
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t3.start()
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t4.start()
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#画像の表示
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cv2.imshow('detect', frame)
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key_input = cv2.waitKey(1)
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if key_input > 0:
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break
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cap.release()
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cv2.destroyAllWindows()
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```
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