def button_open_camera_click(self):
if self.timer_camera.isActive() == False: # 检查定时状态
flag = self.cap.open(self.CAM_NUM) # 检查相机状态
if flag == False: # 相机打开失败提示
msg = QtWidgets.QMessageBox.warning(
self.centralwidget,
u"Warning",
u"请检测相机与电脑是否连接正确！ ",
buttons=QtWidgets.QMessageBox.Ok,
defaultButton=QtWidgets.QMessageBox.Ok)
else:
# 准备运行识别程序
QtWidgets.QApplication.processEvents()
self.label_face.setText('正在启动识别系统...\n\nleading')
# 新建对象
self.emotion_model = Emotion_Rec(self.model_path)
QtWidgets.QApplication.processEvents()
# 打开定时器
self.timer_camera.start(30)
else:
# 定时器未开启，界面回复初始状态
self.timer_camera.stop()
self.cap.release()
self.label_face.clear()
gif = QMovie(':/newPrefix/images_test/scan.gif')
self.label_face.setMovie(gif)
gif.start()
self.label_outputResult.clear()
self.label_outputResult.setStyleSheet(
"border-image: url(:/newPrefix/images_test/ini.png);")
self.label_scanResult.setText('None')
def choose_pic(self):
# 界面处理
self.timer_camera.stop()
self.cap.release()
self.label_face.clear()
self.label_result.setText('None')
self.label_time.setText('0 s')
self.textEdit_camera.setText('实时摄像已关闭')
self.label_outputResult.clear()
self.label_outputResult.setStyleSheet(
"border-image: url(c://Emotion Recognition//images_test//ini.png);"
)
# 使用文件选择对话框选择图片
fileName_choose, filetype = QFileDialog.getOpenFileName(
self.centralwidget,
"select image",
self.path, # 起始路径
"图片(*.jpg;*.jpeg;*.png)") # 文件类型
self.path = fileName_choose # 保存路径
if fileName_choose != '':
self.textEdit_pic.setText(fileName_choose + '文件已选中')
self.label_face.setText('正在启动...\n\nleading')
QtWidgets.QApplication.processEvents()
# 生成模型对象
self.emotion_model = Emotion_Rec(self.model_path)
# 读取背景图
tmp = open('slice.png', 'wb')
tmp.write(b64decode(bgImg))
tmp.close()
canvas = cv2.imread('slice.png')
remove('slice.png')
image = self.cv_imread(fileName_choose) # 读取选择的图片
# 计时并开始模型预测
QtWidgets.QApplication.processEvents()
time_start = time.time()
result = self.emotion_model.run(image, canvas, self.label_face,
self.label_outputResult)
time_end = time.time()
# 显示结果
self.label_result.setText(result)
self.label_time.setText(
str(round((time_end - time_start), 3)) + ' s')
else:
# 选择取消，恢复界面状态
self.textEdit_pic.setText('文件未选中')
gif = QMovie('c://Emotion Recognition//images_test//scan.gif')
self.label_face.setMovie(gif)
gif.start()
self.label_outputResult.clear() # 清除画面
self.label_outputResult.setStyleSheet(
"border-image: url(c://Emotion Recognition//images_test//ini.png);"
)
self.label_result.setText('None')
self.label_time.setText('0 s')
def button_open_camera_click(self):
if self.timer_camera.isActive() == False: # 检查定时状态
flag = self.cap.open(self.CAM_NUM) # 检查相机状态
if flag == False: # 相机打开失败提示
msg = QtWidgets.QMessageBox.warning(
self.centralwidget,
u"Warning",
u"请检测相机与电脑是否连接正确！ ",
buttons=QtWidgets.QMessageBox.Ok,
defaultButton=QtWidgets.QMessageBox.Ok)
else:
# 准备运行识别程序
self.textEdit_pic.setText('file is not be selected')
QtWidgets.QApplication.processEvents()
self.textEdit_camera.setText('camera strat')
self.label_face.setText('正在启动...\n\nleading')
# 新建对象
self.emotion_model = Emotion_Rec(self.model_path)
QtWidgets.QApplication.processEvents()
# 打开定时器
self.timer_camera.start(30)
else:
# 定时器未开启，界面回复初始状态
self.timer_camera.stop()
self.cap.release()
self.label_face.clear()
self.textEdit_camera.setText('实时摄像已关闭')
self.textEdit_pic.setText('文件未选中')
gif = QMovie('c://Emotion Recognition//images_test//scan.gif')
self.label_face.setMovie(gif)
gif.start()
self.label_outputResult.clear()
self.label_outputResult.setStyleSheet(
"border-image: url(c://Emotion Recognition//images_test//ini.png);"
)
self.label_result.setText('None')
self.label_time.setText('0 s')
def button_open_camera_click(self):
if self.timer_camera.isActive() == False: # 检查定时状态
flag = self.cap.open(self.CAM_NUM) # 检查相机状态
if flag == False: # 相机打开失败提示
msg = QtWidgets.QMessageBox.warning(
self.centralwidget,
u"Warning",
u"camera connection error！ ",
buttons=QtWidgets.QMessageBox.Ok,
defaultButton=QtWidgets.QMessageBox.Ok)
else:
# 准备运行识别程序
self.textEdit_pic.setText('file unchecked!')
QtWidgets.QApplication.processEvents()
self.textEdit_camera.setText(
'successfully turn on the camera!')
self.label_face.setText('system is starting...\n\nleading')
# 新建对象
self.emotion_model = Emotion_Rec(self.model_path)
QtWidgets.QApplication.processEvents()
# 打开定时器
self.timer_camera.start(30)
else:
# 定时器未开启，界面回复初始状态
self.timer_camera.stop()
self.cap.release()
self.label_face.clear()
self.textEdit_camera.setText('camera off')
self.textEdit_pic.setText('file unchecked!')
gif = QMovie(':/newPrefix/images_test/scan.gif')
self.label_face.setMovie(gif)
gif.start()
self.label_outputResult.clear()
self.label_outputResult.setStyleSheet(
"border-image: url(:/newPrefix/images_test/ini.png);")
self.label_result.setText('None')
self.label_time.setText('0 s')