我的文件夹中有4个模块(一个是 init .py)xml文件和单独的图片专辑。
我有 main.pyfrom zdjecia import pics
pic = pics()
pic.run()
pic.end()
zdjecia.py
import cv2
import time
import threading
import os
from facedetect import detektuj
class pics (threading.Thread):
def __init__(self):
self.camera_port = 0
self.ramp_frames = 30
self.camera = cv2.VideoCapture(self.camera_port)
def get_image(self):
retval, im = self.camera.read()
return im
def run(self):
for i in xrange(self.ramp_frames):
temp = self.get_image()
mon = 1
while mon <100:
camera_capture = self.get_image()
file = os.path.dirname(__file__)+ "/nazdjecia/test_image"+str(mon)+".png"
if(cv2.imwrite(file, camera_capture)):
detektuj(file)
time.sleep(0.2)
mon+=1
else:
print "camera problem"
self.camera.release()
break
def end(self):
self.camera.release()
pic = pics()
pic.run()
pic.end()
最后是facedetect.py
import numpy as np
import cv2
face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
eye_cascade = cv2.CascadeClassifier('haarcascade_eye.xml')
def detektuj(path):
img = cv2.imread(path)
gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
faces = face_cascade.detectMultiScale(gray, 1.3, 5)
for (x,y,w,h) in faces:
cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2)
roi_gray = gray[y:y+h, x:x+w]
roi_color = img[y:y+h, x:x+w]
eyes = eye_cascade.detectMultiScale(roi_gray)
for(ex,ey,ew,eh) in eyes:
cv2.Rectangle(roi_color,(ex,ey),(ex+ew,ey+eh),(0,255,0),2)
print faces
如果我运行zdjecia.py一切都很好,但是如果我尝试从main.py开始它会进入zdjecia,运行而不是中断并说“相机问题”。
为什么只有从main开始才会出现问题?