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99 lines
2.9 KiB
99 lines
2.9 KiB
6 months ago
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import os
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import sys
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import cv2 as cv
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import numpy as np
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from PyQt5 import QtCore, QtGui, QtWidgets
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from PyQt5.QtCore import *
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from PyQt5.QtGui import *
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from PyQt5.QtWidgets import QFileDialog, QMainWindow
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from surface import (Ui_MainWindow)
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os.chdir(sys.path[0])
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class PyQtMainEntry(QMainWindow, Ui_MainWindow):
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def __init__(self):
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super().__init__()
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self.setupUi(self)
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self.camera = cv.VideoCapture(0)
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self.is_camera_opened = False
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self._timer = QtCore.QTimer(self)
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self._timer.timeout.connect(self._queryFrame)
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self._timer.setInterval(30)
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def btnOpenCamera_Clicked(self):
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self.is_camera_opened = ~self.is_camera_opened
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if self.is_camera_opened:
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self.btnOpenCamera.setText("关闭摄像头")
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self._timer.start()
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else:
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self.btnOpenCamera.setText("打开摄像头")
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self._timer.stop()
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def btnCapture_Clicked(self):
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if not self.is_camera_opened:
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return
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self.captured = self.frame
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rows, cols, channels = self.captured.shape
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bytesPerLine = channels * cols
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QImg = QImage(self.captured.data, cols, rows, bytesPerLine, QImage.Format_RGB888)
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self.labelCapture.setPixmap(QPixmap.fromImage(QImg).scaled(
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self.labelCapture.size(), Qt.KeepAspectRatio, Qt.SmoothTransformation))
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def btnReadImage_Clicked(self):
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filename, _ = QFileDialog.getOpenFileName(self, '打开图片')
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if filename:
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self.captured = cv.imread(str(filename))
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self.captured = cv.cvtColor(self.captured, cv.COLOR_BGR2RGB)
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rows, cols, channels = self.captured.shape
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bytesPerLine = channels * cols
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QImg = QImage(self.captured.data, cols, rows, bytesPerLine, QImage.Format_RGB888)
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self.labelCapture.setPixmap(QPixmap.fromImage(QImg).scaled(
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self.labelCapture.size(), Qt.KeepAspectRatio, Qt.SmoothTransformation))
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def btnGray_Clicked(self):
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def btnThreshold_Clicked(self):
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if not hasattr(self, "captured"):
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return
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@QtCore.pyqtSlot()
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def _queryFrame(self):
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ret, self.frame = self.camera.read()
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img_rows, img_cols, channels = self.frame.shape
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bytesPerLine = channels * img_cols
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cv.cvtColor(self.frame, cv.COLOR_BGR2RGB, self.frame)
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QImg = QImage(self.frame.data, img_cols, img_rows, bytesPerLine, QImage.Format_RGB888)
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self.labelCamera.setPixmap(QPixmap.fromImage(QImg).scaled(
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self.labelCamera.size(), Qt.KeepAspectRatio, Qt.SmoothTransformation))
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def btnDenoising_Clicked(self):
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if not hasattr(self, "captured"):
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return
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if __name__ == "__main__":
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app = QtWidgets.QApplication(sys.argv)
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window = PyQtMainEntry()
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window.show()
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sys.exit(app.exec_())
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