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vehicle_detection.py
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vehicle_detection.py
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# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'designer/vehicle_detection.ui'
#
# Created by: PyQt5 UI code generator 5.15.2
#
# WARNING: Any manual changes made to this file will be lost when pyuic5 is
# run again. Do not edit this file unless you know what you are doing.
import argparse
import sys
from utils import detector_utils as du
from utils.cars_in_danger_utils import *
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtCore import pyqtSlot, Qt
import cv2
from PyQt5.QtGui import QImage, QPixmap
import numpy as np
import imutils
from imutils.video import VideoStream
ap = argparse.ArgumentParser()
ap.add_argument('--vid_path',type=str, default= 'test_videos/video2.mp4',help='Full video path')
ap.add_argument('--model_dir',type=str, default= 'model/yolov5s.pb',help='model dir path contains model')
ap.add_argument('--is_cv2vidcap',type=bool, default= False,help='reading frames either cv2 VideoCapture or imutils VidoStream')
args = vars(ap.parse_args())
model=du.load_model(args['model_dir'])
print('model loaded Successfully')
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("Main Window")
MainWindow.resize(852, 650)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.image_label = QtWidgets.QLabel(self.centralwidget)
self.image_label.setGeometry(QtCore.QRect(0, 0, 852, 480))
self.image_label.setObjectName("image_label")
self.image_label.setScaledContents(True)
self.widget = QtWidgets.QWidget(self.centralwidget)
self.widget.setGeometry(QtCore.QRect(260, 500, 300, 106))
self.widget.setObjectName("widget")
self.gridLayout_4 = QtWidgets.QGridLayout(self.widget)
self.gridLayout_4.setContentsMargins(0, 0, 0, 0)
self.gridLayout_4.setObjectName("gridLayout_4")
spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.gridLayout_4.addItem(spacerItem, 0, 2, 1, 1)
self.gridLayout_3 = QtWidgets.QGridLayout()
self.gridLayout_3.setObjectName("gridLayout_3")
self.gridLayout_2 = QtWidgets.QGridLayout()
self.gridLayout_2.setObjectName("gridLayout_2")
self.pause_button = QtWidgets.QPushButton(self.widget)
self.pause_button.setObjectName("pause_button")
self.gridLayout_2.addWidget(self.pause_button, 0, 0, 1, 1)
spacerItem1 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.gridLayout_2.addItem(spacerItem1, 0, 1, 1, 1)
self.resume_button = QtWidgets.QPushButton(self.widget)
self.resume_button.setObjectName("resume_button")
self.gridLayout_2.addWidget(self.resume_button, 0, 2, 1, 1)
self.gridLayout_3.addLayout(self.gridLayout_2, 2, 0, 1, 1)
spacerItem2 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.gridLayout_3.addItem(spacerItem2, 1, 0, 1, 1)
self.gridLayout = QtWidgets.QGridLayout()
self.gridLayout.setObjectName("gridLayout")
self.stop_button = QtWidgets.QPushButton(self.widget)
self.stop_button.setObjectName("stop_button")
self.gridLayout.addWidget(self.stop_button, 0, 2, 1, 1)
spacerItem3 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.gridLayout.addItem(spacerItem3, 0, 1, 1, 1)
self.start_button = QtWidgets.QPushButton(self.widget)
self.start_button.setObjectName("start_button")
self.gridLayout.addWidget(self.start_button, 0, 0, 1, 1)
self.gridLayout_3.addLayout(self.gridLayout, 0, 0, 1, 1)
self.gridLayout_4.addLayout(self.gridLayout_3, 0, 1, 1, 1)
spacerItem4 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.gridLayout_4.addItem(spacerItem4, 0, 0, 1, 1)
MainWindow.setCentralWidget(self.centralwidget)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
self.start_button.clicked.connect(self.start)
self.stop_button.clicked.connect(self.stop)
self.pause_button.clicked.connect(self.pause)
self.resume_button.clicked.connect(self.resume)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
self.stop_button.setEnabled(False)
self.pause_button.setEnabled(False)
self.resume_button.setEnabled(False)
self.label_width=852
self.label_height=480
self.image_label.setPixmap(QtGui.QPixmap('images/vehicle_detection2.png'))
self.verticalSlider = QtWidgets.QSlider(self.centralwidget)
self.verticalSlider.setOrientation(QtCore.Qt.Vertical)
self.verticalSlider.setObjectName("safety_distance_threshold")
self.verticalSlider.setGeometry(650,490,20,110)
self.verticalSlider.setSliderPosition(20)
self.verticalSlider.valueChanged['int'].connect(self.safety_distance_value)
self.label = QtWidgets.QLabel(self.centralwidget)
self.label.setGeometry(630, 600, 150, 20)
self.label.setObjectName("label")
self.label.setScaledContents(True)
self.label.setText('Safety Distance')
self.reset_button = QtWidgets.QPushButton(self.centralwidget)
self.reset_button.setGeometry(690, 550, 90, 30)
self.reset_button.setObjectName("reset_button")
self.reset_button.setText('Default Position')
self.reset_button.clicked.connect(self.reset_safety_distance)
self.current_safety_distance_value=.2
def start(self):
self.is_kill=False
self.is_pause=False
self.stop_button.setEnabled(True)
self.pause_button.setEnabled(True)
self.start_button.setEnabled(False)
score_thresh = 0.25
if args['is_cv2vidcap']:
vs = cv2.VideoCapture(args['vid_path'])
else:
vs = VideoStream(args['vid_path']).start()
while True:
if not self.is_pause:
if args['is_cv2vidcap']:
_,frame = vs.read()
else:
frame = vs.read()
frame= np.array(frame)
h, w = frame.shape[:2]
# print(frame.shape)
new_width=self.label_width
new_height=int(h*(self.label_width/w))
frame=imutils.resize(frame,width=new_width,height=new_height)
h, w = frame.shape[:2]
frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
# print(frame.shape)
boxes, scores, classes,num_detections = du.detect_objects(frame, model)
frame=du.draw_box_on_image(frame,boxes, scores, classes, score_thresh)
cars_in_danger=finding_cars_in_danger(int(num_detections), score_thresh, scores, boxes, classes,
self.current_safety_distance_value)
locate_cars_in_danger(cars_in_danger,frame)
frame=np.ascontiguousarray(frame[:,:,::-1]) # BGR to RGB
frame = QImage(frame, frame.shape[1],frame.shape[0],frame.strides[0],QImage.Format_RGB888)
image=frame.scaled(w, h, Qt.KeepAspectRatio)
self.image_label.setPixmap(QtGui.QPixmap.fromImage(image))
key = cv2.waitKey(1) & 0xFF ### important line
if self.is_kill:
break
def stop(self):
self.is_kill=True
self.stop_button.setEnabled(False)
self.start_button.setEnabled(True)
self.pause_button.setEnabled(False)
self.image_label.setPixmap(QtGui.QPixmap('images/vehicle_detection2.png'))
def pause(self):
self.is_pause=True
self.pause_button.setEnabled(False)
self.resume_button.setEnabled(True)
def resume(self):
self.is_pause=False
self.resume_button.setEnabled(False)
self.pause_button.setEnabled(True)
def safety_distance_value(self,value):
self.current_safety_distance_value=value/100
#print(self.current_safety_distance_value)
def reset_safety_distance(self):
self.current_safety_distance_value=.2
self.verticalSlider.setSliderPosition(20)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "Vehicle Detection"))
self.image_label.setText(_translate("MainWindow", "image"))
self.pause_button.setText(_translate("MainWindow", "Pause"))
self.resume_button.setText(_translate("MainWindow", "Resume"))
self.stop_button.setText(_translate("MainWindow", "Stop"))
self.start_button.setText(_translate("MainWindow", "Start"))
if __name__ == "__main__":
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())