python - 需要整数参数，得到浮点错误并且浮点对象不能被解释为整数错误

Question

这是使用手指手势的虚拟鼠标代码。上述两个错误都出现在包含 cv2.circle() 和 cv2.line() 的语句中。我也尝试过使用 int()、round() 和 "//"，但它仍然不起作用。在我使用 int() 或 round() 之后，出现了第二个错误。我希望你能帮我解决这个问题。

谢谢

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([20, 80, 100])
upperBound=np.array([40,200,300])

cam = cv2.VideoCapture(0)

kernelOpen = np.ones((5,5))
kernelClose = np.ones((20,20))
pinchFlag = 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
    conts,h = cv2.findContours(maskFinal.copy(),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 = (sx-(cx*sx/camx), cy*sy/camy)
        mouse.position = mouseLoc
        while mouse.position != mouseLoc:
            pass
    elif(len(conts)==1):
        x,y,w,h = cv2.boundingRect(conts[0])
        if(pinchFlag==0):
            pinchFlag = 1
            mouse.press(Button.left)
        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 = (sx-(cx*sx/camx), cy*sy/camy)
        mouse.position = mouseLoc
        while mouse.position != mouseLoc:
            pass
    cv2.imshow("cam",img)
    cv2.waitKey(5)

错误不断变化。这是两个错误。

Traceback (most recent call last):
  File "C:/Users/Dell/PycharmProjects/virtualmouse/main.py", line 49, in <module>
    cv2.line(img, (cx1,cy1),(cx2,cy2),(255,0,0),2)
TypeError: integer argument expected, got float
[ WARN:0] global C:\Users\appveyor\AppData\Local\Temp\1\pip-req-build-pz4stnv8\opencv\modules\videoio\src\cap_msmf.cpp (435) `anonymous-namespace'::SourceReaderCB::~SourceReaderCB terminating async callback



Traceback (most recent call last):
  File "C:/Users/Dell/PycharmProjects/virtualmouse/main.py", line 63, in <module>
    cv2.circle(img,(cx,cy),(w+h)/4,(0,0,255),2)
TypeError: integer argument expected, got float
[ WARN:0] global C:\Users\appveyor\AppData\Local\Temp\1\pip-req-build-pz4stnv8\opencv\modules\videoio\src\cap_msmf.cpp (435) `anonymous-namespace'::SourceReaderCB::~SourceReaderCB terminating async callback

标签： pythonpython-3.xnumpyopencvpycharm