在PyQt5中传递cv2镜像问题

import cv2
from PyQt5.QtGui import QImage, QPixmap
from PyQt5.QtCore import Qt

def convert_cv2_to_qimage(cv2_image):
    height, width, channel = cv2_image.shape
    bytes_per_line = 3 * width
    qimage = QImage(cv2_image.data, width, height, bytes_per_line, QImage.Format_RGB888)
    return qimage

cv2_image = cv2.imread('image.jpg')  # 读取cv2图像
qimage = convert_cv2_to_qimage(cv2_image)  # 转换为QImage格式
pixmap = QPixmap.fromImage(qimage)  # 转换为QPixmap格式
label.setPixmap(pixmap)  # 在PyQt5界面中显示图像的标签控件

def process_cv2_image(cv2_image):
    # 在这里进行对cv2图像的处理，例如图像滤波、边缘检测等
    processed_image = cv2.cvtColor(cv2_image, cv2.COLOR_BGR2GRAY)  # 将图像转换为灰度图像
    return processed_image

processed_image = process_cv2_image(cv2_image)  # 处理cv2图像
cv2.imshow('Processed Image', processed_image)  # 在cv2窗口中显示处理后的图像
cv2.waitKey(0)  # 等待按键输入
cv2.destroyAllWindows()  # 关闭cv2窗口