Python opencv类型错误:';int';对象是不可编辑的
我正在尝试使用OpenCV检测人脸。我有一个文件recognizer.py,如下所示:Python opencv类型错误:';int';对象是不可编辑的,python,python-3.x,opencv,opencv3.3,Python,Python 3.x,Opencv,Opencv3.3,我正在尝试使用OpenCV检测人脸。我有一个文件recognizer.py,如下所示: import cv2 faceDetect = cv2.CascadeClassifier('haarcascade_frontalface_default.xml') cam = cv2.VideoCapture(0) rec = cv2.face.createLBPHFaceRecognizer() rec.load('recognizer/trainningData.yml') id = 0 font
import cv2
faceDetect = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
cam = cv2.VideoCapture(0)
rec = cv2.face.createLBPHFaceRecognizer()
rec.load('recognizer/trainningData.yml')
id = 0
font = cv2.FONT_HERSHEY_SIMPLEX
while True:
ret, img = cam.read()
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = faceDetect.detectMultiScale(gray, 1.3, 5)
for (x, y, w, h) in faces:
cv2.rectangle(img, (x, y), (x + w, y + h), (0, 0, 255), 2)
id, conf = rec.predict(gray[y:y + h, x:x + w])
cv2.putText(img, str(id), (x, y + h), font, 255, (255, 0, 0))
cv2.imshow("Face", img)
if cv2.waitKey(1) == ord('q'):
break
cam.release()
cv2.destroyAllWindows()
id, conf = rec.predict(gray[y:y + h, x:x + w])
当我试图运行此代码时,程序正在成功运行并打开一个摄像头窗口
但每当我试图在摄像机前露面时,程序就会以退出代码1终止,并显示以下错误:
Traceback (most recent call last):
File "/home/prateek/recognizer.py", line 15, in <module>
id, conf = rec.predict(gray[y:y + h, x:x + w])
TypeError: 'int' object is not iterable
Process finished with exit code 1
我不知道如何解决这个问题。我正在使用Python3和OpenCV3.3最后,我得到了解决方案。opencv版本存在问题。这段代码是为opencv2.4编写的,我正试图在opencv3上运行它 那么,opencv3的最终代码如下:
import cv2
faceDetect = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
cam = cv2.VideoCapture(0)
rec = cv2.face.createLBPHFaceRecognizer()
rec.load('recognizer/trainningData.yml')
id = 0
font = cv2.FONT_HERSHEY_SIMPLEX
while True:
ret, img = cam.read()
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = faceDetect.detectMultiScale(gray, 1.3, 5)
for (x, y, w, h) in faces:
cv2.rectangle(img, (x, y), (x + w, y + h), (0, 0, 255), 2)
id= rec.predict(gray[y:y + h, x:x + w])
cv2.putText(img, str(id), (x, y + h), font, 255, (255, 0, 0))
cv2.imshow("Face", img)
if cv2.waitKey(1) == ord('q'):
break
cam.release()
cv2.destroyAllWindows()
无需提及变量conf
rec.predict(gray[y:y+h,x:x+w])正在从数据库返回此人的id也许如果你能在Jupyter笔记本上演示这个问题,也许在Google Colaboratory上。嗯,你知道问题陈述,那么做一些调试怎么样?比如说,调查你在那里使用的所有变量的值?