预期为整数参数，使用网络摄像头运行手势控制鼠标程序时浮起

Question

  

cv2.line（img，（cx1，cy1），（cx2，cy2），（255,0,0），2）

我正在尝试解决这个问题。此代码可以在python版本2.7上完美运行，但不能在3.7版本上运行。请帮助我纠正此问题

我尝试将这些值放在整数中，但是在程序执行后没有响应并且没有显示错误。

import cv2
import numpy as np
from pynput.mouse import Button, Controller
import wx

mouse = Controller()

app=wx.App(False)
(sx,sy)=wx.GetDisplaySize()
(camx,camy)=(320,240)

lowerBound=np.array([33,80,40])
upperBound=np.array([102,255,255])

cam = cv2.VideoCapture(0)
cam.set(3,camx)

cam.set(4,camx)

kernelOpen=np.ones((5,5))
kernelClose=np.ones((20,20))

mLocOld=np.array([0, 0])
mouseLoc=np.array([0,0])
DampingFactor=2
# mouseLoc=mLocOld+(targetLoc-mLocOld)/DampingFactor

pinchFlag = 0
openx, openy, openw, openh = (0, 0, 0, 0)

while True:
    ret, img = cam.read()
    img = cv2.resize(img, (340, 220))

    # convert BGR to HSV
    imgHSV = cv2.cvtColor(img, cv2.COLOR_BGR2HSV)
    # create the Mask
    mask = cv2.inRange(imgHSV, lowerBound, upperBound)
    # morphology
    maskOpen = cv2.morphologyEx(mask, cv2.MORPH_OPEN, kernelOpen)
    maskClose = cv2.morphologyEx(maskOpen, cv2.MORPH_CLOSE, kernelClose)

    maskFinal = maskClose
    anyparamater,conts,h=cv2.findContours(maskFinal,cv2.RETR_EXTERNAL,cv2.CHAIN_APPROX_NONE)

    if (len(conts)== 2):
        if (pinchFlag==1):
            pinchFlag=0
            mouse.release(Button.left)
        x1,y1,w1,h1=cv2.boundingRect(conts[0])
        x2,y2,w2,h2=cv2.boundingRect(conts[1])
        cv2.rectangle(img,(x1,y1),(x1+w1,y1+h1),(255,0,0),2)
        cv2.rectangle(img,(x2,y2),(x2+w2,y2+h2),(255,0,0),2)
        cx1=x1+w1/2
        cy1=y1+h1/2
        cx2=x2+w2/2
        cy2=y2+h2/2
        cx=(cx1+cx2)/2
        cy=(cy1+cy2)/2
        cv2.line(img,(cx1,cy1),(cx2,cy2),(255,0,0),2)
        cv2.circle(img,(cx,cy),2,(0,0,255),2)
        mouseLoc= mLocOld+((cx,cy)-mLocOld)/DampingFactor
        mouse.position=(sx-(mouseLoc[0]*sx/camx),mouseLoc[1]*sy/camy)
        while mouse.position!=(sx-(mouseLoc[0]*sx/camx),mouseLoc[1]*sy/camy):
            pass
        mLocOld=mouseLoc
        openx,openy,openw,openh=cv2.boundingRect(np.array([[[x1,y1],[x1+w1,y1+h1],[x2,y2],[x2+w2,y2+h2]]]))
     #cv2.rectangle(img,(openx,openy),(openx+openw,openy+openh),(255,0,0),2)
    elif(len(conts)==1):
        x,y,w,h=cv2.boundingRect(conts[0])
        if(pinchFlag==0):
            if(abs((w*h-openw*openh)*100/(w*h))<30):
                pinchFlag=1
                mouse.press(Button.left)
                openx,openy,openw,openh=(0,0,0,0)

        else:
            cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2)
            cx=x+w/2
            cy= y+h/2
            cv2.circle(img,(cx,cy),(w+h)/4,(0,0,255),2)
            mouseLoc= mLocOld+((cx,cy)-mLocOld)/DampingFactor
            mouse.position=(sx-(mouseLoc[0]*sx/camx),mouseLoc[1]*sy/camy)
            while mouse.position!=(sx-(mouseLoc[0]*sx/camx),mouseLoc[1]*sy/camy):
                pass
            mLocOld=mouseLoc
    #cv2.imshow("maskOpen",maskOpen)
    cv2.imshow("mask",mask)
    cv2.imshow("cam", img)
    cv2.waitKey(5)