76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
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import cv2
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import sys, time, os
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import numpy as np
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from PyQt5 import QtCore, QtGui, QtWidgets
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from test_pyqt5_0712_ui import Ui_MainWindow
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from PyQt5.QtCore import QDate,QTime
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from PyQt5.QtWidgets import QApplication, QFileDialog, QLabel,QMainWindow, QWidget, QPushButton
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from PyQt5.QtCore import QThread, pyqtSignal
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# 轉Qlabel的格式
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def label_to_view(img): # 原圖
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img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB) # QT顏色顯示轉換
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Ny, Nx, _ = img.shape
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img = QtGui.QImage(img.data, Nx, Ny, Nx * 3, QtGui.QImage.Format_RGB888) # 須改格式
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return img
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class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
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def __init__(self, parent=None): #按鍵設定
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super(MainWindow, self).__init__(parent)
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self.setupUi(self)
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self.view_1.setScaledContents(True); #設定view_1 自適應大小
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self.open_file_bt.clicked.connect(self.open_file_clicked) # 按鍵open
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self.horizontalSlider.valueChanged.connect(self.sliderValue) # 滑桿調整
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self.img_check=False # 確認有無圖片
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# 選擇圖片
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def open_file_clicked(self):
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file_filter = "Image Files (*.jpg *.jpeg *.png *.bmp *.mp4 *.avi);" # 規定格式
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file_path, _ = QFileDialog.getOpenFileName(self, 'Open Image','',file_filter)
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# 若沒圖 直接return 不執行下面程式
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if file_path =="":
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return
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if file_path:
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self.img_check = True
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self.img = cv2.imread(file_path)
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img = self.img.copy()
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img = label_to_view(img)
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self.view_1.setPixmap(QtGui.QPixmap.fromImage(img))
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# 滑桿控制
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def sliderValue(self):
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# 若沒圖 直接return 不執行下面程式
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if self.img_check==False:
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return
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binary_value = int(self.horizontalSlider.value()) # 二值化參數
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self.horizontalSlider_text.setText(str(binary_value)) # 顯示數值
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img = self.img.copy()
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img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
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if binary_value < 2:
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return
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if (binary_value % 2 == 1):
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img1 = cv2.adaptiveThreshold(img, 255, cv2.ADAPTIVE_THRESH_MEAN_C, cv2.THRESH_BINARY, binary_value, 2) # 動態二值
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else:
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img1 = cv2.adaptiveThreshold(img, 255, cv2.ADAPTIVE_THRESH_MEAN_C, cv2.THRESH_BINARY, binary_value + 1, 2) # 動態二值
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img1 = cv2.cvtColor(img1, cv2.COLOR_GRAY2BGR)
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img = label_to_view(img1)
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self.view_1.setPixmap(QtGui.QPixmap.fromImage(img))
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if __name__=='__main__':
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app = QtWidgets.QApplication(sys.argv)
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win = MainWindow()
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win.show()
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sys.exit(app.exec_())
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