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import sys
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import cv2
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import numpy as np
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from PySide2.QtCore import *
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from PySide2.QtGui import *
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from PySide2.QtWidgets import *
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class Ui_MainWindow(object):
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def setupUi(self, MainWindow):
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if not MainWindow.objectName():
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MainWindow.setObjectName(u"MainWindow")
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MainWindow.resize(1000, 800)
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self.centralwidget = QWidget(MainWindow)
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self.centralwidget.setObjectName(u"centralwidget")
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self.pushButton = QPushButton(self.centralwidget)
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self.pushButton.setObjectName(u"pushButton")
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self.pushButton.setGeometry(QRect(750, 500, 201, 71))
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self.graphicsView = QGraphicsView(self.centralwidget)
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self.graphicsView.setObjectName(u"graphicsView")
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self.graphicsView.setGeometry(QRect(90, 80, 401, 400))
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self.pushButton_2 = QPushButton(self.centralwidget)
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self.pushButton_2.setObjectName(u"pushButton_2")
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self.pushButton_2.setGeometry(QRect(100, 500, 201, 71))
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self.graphicsView_2 = QGraphicsView(self.centralwidget)
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self.graphicsView_2.setObjectName(u"graphicsView_2")
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self.graphicsView_2.setGeometry(QRect(520, 80, 401, 400))
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self.comboBox = QComboBox(self.centralwidget)
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self.comboBox.addItem("")
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self.comboBox.addItem("")
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self.comboBox.addItem("")
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self.comboBox.addItem("")
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self.comboBox.addItem("")
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self.comboBox.addItem("")
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self.comboBox.addItem("")
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self.comboBox.addItem("")
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self.comboBox.setObjectName(u"comboBox")
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self.comboBox.setGeometry(QRect(150, 620, 101, 31))
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self.label = QLabel(self.centralwidget)
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self.label.setObjectName(u"label")
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self.label.setGeometry(QRect(150, 580, 200, 31))
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self.pushButton_3 = QPushButton(self.centralwidget)
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self.pushButton_3.setObjectName(u"pushButton_3")
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self.pushButton_3.setGeometry(QRect(750, 600, 201, 71))
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MainWindow.setCentralWidget(self.centralwidget)
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self.menubar = QMenuBar(MainWindow)
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self.menubar.setObjectName(u"menubar")
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self.menubar.setGeometry(QRect(0, 0, 1000, 23))
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MainWindow.setMenuBar(self.menubar)
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self.statusbar = QStatusBar(MainWindow)
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self.statusbar.setObjectName(u"statusbar")
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MainWindow.setStatusBar(self.statusbar)
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self.retranslateUi(MainWindow)
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QMetaObject.connectSlotsByName(MainWindow)
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# setupUi
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def retranslateUi(self, MainWindow):
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MainWindow.setWindowTitle(QCoreApplication.translate("MainWindow", u"MainWindow", None))
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self.pushButton.setText(QCoreApplication.translate("MainWindow", u"转换", None))
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self.pushButton_2.setText(QCoreApplication.translate("MainWindow", u"选择图片路径", None))
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self.comboBox.setItemText(0, "")
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self.comboBox.setItemText(1, QCoreApplication.translate("MainWindow", u"呐喊", None))
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self.comboBox.setItemText(2, QCoreApplication.translate("MainWindow", u"星空", None))
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self.comboBox.setItemText(3, QCoreApplication.translate("MainWindow", u"镶嵌风", None))
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self.comboBox.setItemText(4, QCoreApplication.translate("MainWindow", u"构图VII", None))
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self.comboBox.setItemText(5, QCoreApplication.translate("MainWindow", u"The muse", None))
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self.comboBox.setItemText(6, QCoreApplication.translate("MainWindow", u"udnie", None))
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self.comboBox.setItemText(7, QCoreApplication.translate("MainWindow", u"神奈川冲浪里", None))
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self.label.setText(QCoreApplication.translate("MainWindow", u"请选择图片风格", None))
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self.pushButton_3.setText(QCoreApplication.translate("MainWindow", u"保存转换后图片", None))
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# retranslateUi
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class MainWindow(QMainWindow, Ui_MainWindow):
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def __init__(self):
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super(MainWindow, self).__init__()
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self.setupUi(self)
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self.image = None
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self.transformed_image = None
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#转换
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self.pushButton.clicked.connect(self.transform_image)
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self.pushButton_2.clicked.connect(self.load_image)
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self.pushButton_3.clicked.connect(self.save_image)
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def load_image(self):
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options = QFileDialog.Options()
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options |= QFileDialog.ReadOnly
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file_name, _ = QFileDialog.getOpenFileName(self, "选择图片", "", "Images (*.png *.xpm *.jpg);;All Files (*)", options=options)
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if file_name:
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self.image = cv2.imread(file_name)
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self.display_image(self.image, self.graphicsView)
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def display_image(self, img, view):
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img_rgb = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
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h, w = view.height(), view.width()
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img_resized = cv2.resize(img_rgb, (w, h))
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h, w, ch = img_resized.shape
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bytes_per_line = ch * w
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q_img = QImage(img_resized.data, w, h, bytes_per_line, QImage.Format_RGB888)
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pixmap = QPixmap.fromImage(q_img)
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scene = QGraphicsScene()
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scene.addItem(QGraphicsPixmapItem(pixmap))
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view.setScene(scene)
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def transform_image(self):
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# 检查图像是否已加载
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if self.image is not None:
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#获取用户选择的风格
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style = self.comboBox.currentIndex()
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#使用OpenCV的深度学习模块cv2.dnn来加载预训练的神经网络模型
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if style == 1:
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#net = cv2.dnn.readNetFromTorch('../models/the_scream.t7') 因为exe文件在exe目录下，所以需要改一下路径，打包的时候使用的是这行。
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net = cv2.dnn.readNetFromTorch('./models/the_scream.t7')
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elif style == 2:
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net = cv2.dnn.readNetFromTorch('./models/starry_night.t7')
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elif style == 3:
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net = cv2.dnn.readNetFromTorch('./models/mosaic.t7')
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elif style == 4:
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net = cv2.dnn.readNetFromTorch('./models/composition_vii.t7')
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elif style == 5:
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net = cv2.dnn.readNetFromTorch('./models/la_muse.t7')
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elif style == 6:
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net = cv2.dnn.readNetFromTorch('./models/udnie.t7')
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elif style == 7:
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net = cv2.dnn.readNetFromTorch('./models/the_wave.t7')
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else:
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QMessageBox.warning(self, "Warning", "请选择一个风格")
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return
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# 获取图像的高度和宽度
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(h, w) = self.image.shape[:2]
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# 将图像转换为blob，用于神经网络输入
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blob = cv2.dnn.blobFromImage(self.image, 1.0, (w, h), (103.939, 116.779, 123.680), swapRB=False, crop=False)
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net.setInput(blob)
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out = net.forward() # 得到输出
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out = out.reshape(3, out.shape[2], out.shape[3])
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#恢复均值
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out[0] += 103.939
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out[1] += 116.779
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out[2] += 123.68
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#调整通道的顺序
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out = out.transpose(1, 2, 0)
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self.transformed_image = np.clip(out, 0, 255).astype('uint8')
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self.display_image(self.transformed_image, self.graphicsView_2)
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def save_image(self):
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if self.transformed_image is not None:
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options = QFileDialog.Options()
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options |= QFileDialog.ShowDirsOnly
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file_name, _ = QFileDialog.getSaveFileName(self, "保存图片", "", "Images (*.png *.xpm *.jpg);;All Files (*)", options=options)
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if file_name:
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cv2.imwrite(file_name, self.transformed_image)
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else:
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QMessageBox.warning(self, "Warning", "没有转换后的图片可保存")
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if __name__ == "__main__":
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app = QApplication(sys.argv)
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mainWin = MainWindow()
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mainWin.show()
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sys.exit(app.exec_())
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