pyqt 5はcv 2を使って画像、カメラの例を表示します。

以下の通りです

#! /usr/bin/python3
# coding = utf-8
# from PyQt5 import QtGui,QtCore,Qt
import sys
from PyQt5.QtCore import Qt,pyqtSignal,QSize,QRect,QMetaObject, QCoreApplication, pyqtSlot,QPropertyAnimation,QThread
from PyQt5.QtGui import QIcon, QFont, QPixmap, QPainter, QImage
from PyQt5.QtWidgets import QMainWindow, QApplication

import cv2
from gevent.libev.corecext import SIGNAL, time
from qtpy importQtCore


class mycsms(QMainWindow):
    def __init__(self):
        super(mycsms, self).__init__()
        self.setupUi(self)
        self.image= QImage()
        self.device= cv2.VideoCapture(0)
        self.playTimer= Timer("updatePlay()")
        self.connect(self.playTimer, SIGNAL("updatePlay()"), self.showCamer)

    #     
    def showCamer(self):
        if self.device.isOpened():
            ret, frame= self.device.read()
        else:
            ret = False
        #       
        # cv2.imwrite("2.png",frame)
        #self.image.load("2.png")

        height, width, bytesPerComponent= frame.shape
        bytesPerLine = bytesPerComponent* width
        #         
        cv2.cvtColor(frame, cv2.COLOR_BGR2RGB,frame)
        #   QImage  
        self.image= QImage(frame.data, width, height, bytesPerLine, QImage.Format_RGB888)
        self.view.setPixmap(QPixmap.fromImage(self.image))

if __name__ == "__main__":
    app = QApplication(sys.argv)
    myshow = mycsms()
    myshow.playTimer.start()
    myshow.show()
    sys.exit(app.exec_())

#    ：
class Timer(QtCore.QThread):

    def __init__(self, signal="updateTime()", parent=None):
        super(Timer, self).__init__(parent)
        self.stoped= False
        self.signal= signal
        self.mutex= QtCore.QMutex()

    def run(self):
        with QtCore.QMutexLocker(self.mutex):
            self.stoped= False
        while True:
            if self.stoped:
                return
            self.emit(QtCore.SIGNAL(self.signal))
            #40        
            time.sleep(0.04)

    def stop(self):
        with QtCore.QMutexLocker(self.mutex):
            self.stoped= True

    def isStoped(self):
        with QtCore.QMutexLocker(self.mutex):
            return self.stoped

以上のpyqt 5はcv 2を使って写真を表示しています。カメラの例は小编で皆さんに共有している内容です。