python - 没有名为 cv2 的模块

Question

我遇到了错误

No module named cv2

您能否指导我应该输入什么命令来安装 CV2(sudo qpt-get install ..？)谢谢

import numpy as np
import cv2

cap = cv2.VideoCapture('vtest.avi')

while(cap.isOpened()):
    ret, frame = cap.read()

    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)

    cv2.imshow('frame',gray)
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break

cap.release()
cv2.destroyAllWindows()

Answer 1

使用pip命令行:

pip install opencv-python