Python int对象没有属性uu getitem__
我正在编写一些代码来识别人脸和说出某人的名字。我正在使用raspberry pi 3和opencv 3.1以及python 2.7编写这段代码。这段代码在windows上运行良好,但当我在raspberry上尝试时,它给出了一个错误:Python int对象没有属性uu getitem__,python,python-2.7,opencv,opencv3.1,Python,Python 2.7,Opencv,Opencv3.1,我正在编写一些代码来识别人脸和说出某人的名字。我正在使用raspberry pi 3和opencv 3.1以及python 2.7编写这段代码。这段代码在windows上运行良好,但当我在raspberry上尝试时,它给出了一个错误: Type error: 'int' object has no attriibute '__getitem__' 对于线路: for line 'if prediction[1]<100' for line'如果预测[1]它看起来像是model.pred
Type error: 'int' object has no attriibute '__getitem__'
对于线路:
for line 'if prediction[1]<100'
for line'如果预测[1]它看起来像是model.predict()
返回一个int
,并且它看起来像是一个列表
:预测[1]
。也许这是因为OpenCV在不同版本中改变了这一点?检查您正在使用的版本的文档..我将opencv的版本降级为2.4.10,现在正在使用raspberry2,但它显示“无法连接到服务器套接字错误=没有这样的文件或目录Jack服务器未运行或无法启动”,并在engine.runAndWait()之前停止循环@它看起来像是model.predict()
返回一个int
,看起来像是一个列表
:prediction[1]
。也许这是因为OpenCV在不同版本中改变了这一点?检查您正在使用的版本的文档..我将opencv的版本降级为2.4.10,现在正在使用raspberry2,但它显示“无法连接到服务器套接字错误=没有这样的文件或目录Jack服务器未运行或无法启动”,并在engine.runAndWait()之前停止循环@吸烟者
import cv2, sys, numpy, os, pyttsx, time,picamera
haar_file = 'haarcascade_frontalface_default.xml'
datasets = 'datasets'
engine = pyttsx.init()
rate = engine.getProperty('rate')
engine.setProperty('rate', rate-40)
print('Training...')
# Create a list of images and a list of corresponding names
(images, labels, names, id) = ([], [], {}, 0)
for (subdirs, dirs, files) in os.walk(datasets):
for subdir in dirs:
names[id] = subdir
subjectpath = os.path.join(datasets, subdir)
for filename in os.listdir(subjectpath):
path = subjectpath + '/' + filename
label = id
images.append(cv2.imread(path, 0))
labels.append(int(label))
id += 1
(width, height) = (130, 100)
# Create a Numpy array from the two lists above
(images, labels) = [numpy.array(lis) for lis in [images, labels]]
model = cv2.createLBPHFaceRecognizer()
model.train(images, labels)
#use LBPHFace recognizer on camera frame
face_cascade = cv2.CascadeClassifier(haar_file)
camera = picamera.PiCamera()
camera.resolution = (320, 240)
def getFrame():
jpegBuffer = io.BytesIO()
camera.capture(jpegBuffer, format='jpeg')
buff = numpy.fromstring(jpegBuffer.getvalue(), dtype=numpy.uint8)
return cv2.imdecode(buff, 1)
while True:
im = fetFrame()
gray = cv2.cvtColor(im, cv2.COLOR_BGR2GRAY)
faces = face_cascade.detectMultiScale(gray, 1.3, 5)
for (x,y,w,h) in faces:
cv2.rectangle(im,(x,y),(x+w,y+h),(255,0,0),2)
face = gray[y:y + h, x:x + w]
face_resize = cv2.resize(face, (width, height))
#Try to recognize the face
prediction = model.predict(face_resize)
cv2.rectangle(im, (x, y), (x + w, y + h), (0, 255, 0), 3)
if prediction[1]<100:
cv2.putText(im,'%s - %.0f' % (names[prediction[0]],prediction[1]),(x-10, y-10), cv2.FONT_HERSHEY_PLAIN,1,(0, 255, 0))
engine.say('Hello')
engine.say(names[prediction[0]],prediction[1])
time.sleep(3)
else:
cv2.putText(im,'not recognized',(x-10, y-10), cv2.FONT_HERSHEY_PLAIN,1,(0, 255, 0))
engine.say('Hello, Newface')
time.sleep(3)
engine.runAndWait()
cv2.imshow('OpenCV', im)
key = cv2.waitKey(10)
if key == 27:
break