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CameraGUI.py
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CameraGUI.py
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from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
import cv2
import os
from tensorobject import ObjectClassifier, VolumeMeasurement
import sys
try:
from picam import camera
except ImportError or ImportError:
print("Failed importing picam.py **THIS IS NORMAL IF RUNNING ON NON-RASPBIAN**")
class CameraImage(QObject):
finished = pyqtSignal() # give worker class a finished signal
changePixmap = pyqtSignal(QImage)
noChange = pyqtSignal()
notBottle = pyqtSignal()
gotVolume = pyqtSignal(float, float, float)
def __init__(self, device, url, image, reader, tensor, parent=None):
super().__init__(parent)
self.device = device
self.url = url
self.reader = reader
self.image = image
self.stopped = False
self.objectDetected = False
if device == "__PI__":
self.cam = camera().start()
else:
self.cam = cv2.VideoCapture(url)
self.phase = 1
self.change = False
QThread.sleep(2)
self.recog = tensor
self.recog.initialize(self.cam)
self.proc = VolumeMeasurement(self.recog)
def do_work(self):
if self.reader is not None:
self.reader.resume()
while not self.stopped:
if self.reader is not None:
distance = self.reader.read()
if distance == 'O':
if not self.objectDetected:
self.objectDetected = True
else:
self.objectDetected = False
else:
self.objectDetected = True
if not self.objectDetected:
if self.phase == 1:
self.recog.rest()
elif self.phase == 2:
self.proc.rest()
if self.change:
self.noChange.emit()
self.change = False
elif self.objectDetected:
if self.phase == 1:
self.recog.classes = None
detect, frame = self.recog.getProcessedImage()
elif self.phase == 2:
frame = self.proc.getProcessedImage()
rgbImage = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
h, w, ch = rgbImage.shape
bytesPerLine = ch * w
convertToQtFormat = QImage(rgbImage.data, w, h, bytesPerLine, QImage.Format_RGB888)
p = convertToQtFormat.scaled(320, 240, Qt.KeepAspectRatio)
self.changePixmap.emit(p)
self.change = True
if self.phase == 1:
if self.recog.counter >= 10:
detected = self.recog.getAveObjectClass()
self.recog.rest()
if detected == 'Bottle':
self.phase = 2
else:
self.notBottle.emit()
self.stop()
elif self.phase == 2:
if self.proc.counter >= 10:
aveVol = self.proc.getAveVol()
height = self.proc.getHeight()
diameter = self.proc.getDiameter()
aspectRatio = height/diameter
if (diameter >= height) or (aspectRatio < 3.0):
self.notBottle.emit()
else:
self.gotVolume.emit(aveVol, height, diameter)
if self.reader is not None:
self.reader.write('S')
self.stop()
if self.reader is not None:
self.reader.pause()
self.cam.release()
self.finished.emit()
def stop(self):
self.stopped = True
class Cam(QDialog):
switch_back = pyqtSignal(QDialog)
switch_result = pyqtSignal(int, float, float, float)
def __init__(self, device, url, image, userID, name, pts, reader, tensor):
super().__init__()
self.title = "MR BIN"
self.left = 0
self.top = 0
self.width = 480
self.height = 320
self.userpath = os.getenv("HOME")
self.icon = QIcon(self.userpath + '/mrbin/res/favicon.png')
self.gbox = QGridLayout()
self.vbox = QVBoxLayout()
self.userID = userID
self.name = name
self.pts = pts
self.image = image
self.tensor = tensor
self.pic = None
self.device = device
self.ip = url
self.reader = reader;
self.thread = None
self.worker = None
self.InitWorker()
self.InitWindow()
self.InitComponents()
self.setImage(None)
self.show()
def InitWorker(self):
self.thread = QThread(parent=self)
self.worker = CameraImage(self.device, self.ip, self.image, self.reader, self.tensor)
self.worker.moveToThread(self.thread)
self.worker.changePixmap.connect(self.setImage)
self.worker.noChange.connect(self.setImage)
self.worker.gotVolume.connect(self.printVolume)
self.worker.notBottle.connect(self.NotABottle)
self.worker.finished.connect(self.thread.quit) # connect the workers finished signal to stop thread
self.worker.finished.connect(self.worker.deleteLater) # connect the workers finished signal to clean up worker
self.thread.finished.connect(self.thread.deleteLater) # connect threads finished signal to clean up thread
self.thread.finished.connect(self.worker.stop)
self.thread.started.connect(self.worker.do_work)
self.thread.start()
def InitWindow(self):
self.setWindowTitle(self.title)
self.setGeometry(self.left, self.top, self.width, self.height)
self.setMaximumHeight(self.height)
self.setMaximumWidth(self.width)
self.setMinimumHeight(self.height)
self.setMinimumWidth(self.width)
self.gbox.setGeometry(QRect(self.left, self.top, self.width, self.height))
self.gbox.setSpacing(1)
self.setStyleSheet("background-color: #297045;")
self.setWindowIcon(self.icon)
self.setLayout(self.vbox)
self.setWindowFlags(Qt.FramelessWindowHint)
def printVolume(self, vol, height, diameter):
msg = QMessageBox()
msg.setStyleSheet('color : white; font-family : Sanserif; background-color: black; font: 30px;')
msg.information(self, "Measurement Success", "<FONT COLOR='#FFFFFF'>Average Measured Volume: {:.2f}mL</FONT>".format(vol))
self.switch_result.emit(self.userID, vol, height, diameter)
def setImage(self, image=None):
if image is not None:
self.pic.setPixmap(QPixmap.fromImage(image))
else:
self.pic.setPixmap(QPixmap(self.userpath + '/mrbin/res/instruction.png'))
def NotABottle(self):
QMessageBox.information(self, "Result", "<FONT COLOR='#FFFFFF'>Object is NOT a bottle or INCORRECTLY placed\nPlease try again</FONT>")
self.reader.write('X')
self.worker.stop()
self.switch_back.emit(self)
def InitComponents(self):
lbl1 = QLabel(("User: " + self.name), self)
lbl2 = QLabel(("Current Incentives: " + str(self.pts)), self)
self.pic = QLabel(self)
self.pic.resize(320, 240)
self.pic.setAlignment(Qt.AlignHCenter)
btn1 = QPushButton("Exit", self)
lbl1.setAlignment(Qt.AlignLeft)
lbl2.setAlignment(Qt.AlignRight)
lbl1.setStyleSheet("font : 20px; font-family : Sanserif; color : #e1efe6")
lbl2.setStyleSheet("font : 20px; font-family : Sanserif; color : #e1efe6")
btn1.clicked.connect(self.btn1Action)
btn1.setStyleSheet("background-color : #aeb7b3; color : #1b2f33; font : 20px; font-family : Sanserif;")
self.vbox.addLayout(self.gbox)
self.gbox.addWidget(lbl1, 0, 0)
self.gbox.addWidget(lbl2, 0, 1)
self.vbox.addWidget(self.pic)
self.vbox.addWidget(btn1)
def btn1Action(self):
self.reader.write('X')
self.worker.stop()
self.switch_back.emit(self)
if __name__ == "__main__":
app = QApplication(sys.argv)
tensor = ObjectClassifier("__IP__")
window = Cam("__IP__", "http://192.168.1.3:8080/video", 2, 1, "amaze", "959", None, tensor)
app.exec()