OpenCv在Python上的挣扎
我安装了OpenCv并找到了一个示例代码。但令人惊讶的是,它没有起作用。我在运行时收到此错误消息OpenCv在Python上的挣扎,python,python-3.x,opencv,Python,Python 3.x,Opencv,我安装了OpenCv并找到了一个示例代码。但令人惊讶的是,它没有起作用。我在运行时收到此错误消息 import cv2 import sys # Get user supplied values imagePath = sys.argv[1] cascPath = sys.argv[2] # Create the haar cascade faceCascade = cv2.CascadeClassifier(cascPath) # Read the image image = cv2
import cv2
import sys
# Get user supplied values
imagePath = sys.argv[1]
cascPath = sys.argv[2]
# Create the haar cascade
faceCascade = cv2.CascadeClassifier(cascPath)
# Read the image
image = cv2.imread(imagePath)
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
# Detect faces in the image
faces = faceCascade.detectMultiScale(
gray,
scaleFactor=1.1,
minNeighbors=5,
minSize=(30, 30)
#flags = cv2.CV_HAAR_SCALE_IMAGE
)
print("Found {0} faces!".format(len(faces)))
# Draw a rectangle around the faces
for (x, y, w, h) in faces:
cv2.rectangle(image, (x, y), (x+w, y+h), (0, 255, 0), 2)
cv2.imshow("Faces found", image)
cv2.waitKey(0)
我该怎么办 该错误消息意味着它没有找到预期的命令行参数;图像的路径。您如何调用脚本?您需要类似python3 script.py imagepath cascpath的内容。该错误消息可能重复,这意味着它没有找到预期的命令行参数;图像的路径。您如何调用脚本?您需要类似python3 script.py imagepath的东西。可能是
Traceback (most recent call last):
File "/Users/Esat/Desktop/Python/Softwares/untitled.py", line 5, in <module>
imagePath = sys.argv[1]
IndexError: list index out of range