Python OpenCV高速公路道路汽车车辆摄像头视频侦测检测识别统计数量
Python OpenCV高速公路道路汽车车辆侦测检测识别统计数量
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运行结果如下：
运行主要代码如下：
import cv2
import numpy as np
import time
cap=cv2.VideoCapture("video.mp4")
fgbg=cv2.createBack(detectShadows=False,history=200,varThreshold = 90)
kernalOp = np.ones((3,3),np.uint8)
kernalOp2 = np.ones((5,5),np.uint8)
kernalCl = np.ones((11,11),np.uint8)
font = cv2.FONT_HERSHEY_SIMPLEX
cars = []
max_p_age = 5
pid = 1
cnt_up=0
cnt_down=0
print("Car counting and classification")
line_up=400
line_down=250
up_limit=230
down_limit=int(4.5*(500/5))
while(cap.isOpened()):
ret,frame=cap.read()
frame=cv2.resize(frame,(900,500))
for i in cars:
i.age_one()
fgmask=fgbg.apply(frame)
mask,countours0,hierarchy=cv2.findContours(mask,cv2.RETR_EXTERNAL,cv2.CHAIN_APPROX_NONE)
for cnt in countours0:
area=cv2.contourArea(cnt)
print(area)
if area>300:
m=cv2.moments(cnt)
cx=int(m['m10']/m['m00'])
cy=int(m['m01']/m['m00'])
x,y,w,h=cv2.boundingRect(cnt)
new=True
if cy in range(up_limit,down_limit):
for i in cars:
if abs(x - i.getX()) <= w and abs(y - i.getY()) <= h:
new = False
i.updateCoords(cx, cy)
if i.going_UP(line_down,line_up)==True:
cnt_up+=1
elif i.going_DOWN(line_down,line_up)==True:
cnt_down+=1
break
if new==True:
p=vehicles.Car(pid,cx,cy,max_p_age)
cars.append(p)
pid+1
cv2.circle(frame, (cx, cy), 2, (0, 0, 255), -1)
for i in cars:
cv2.putText(frame, str(i.getId()), (i.getX(), i.getY()), font, 0.3, (255,255,0), 1, cv2.LINE_AA)
if line_down+20<= i.getY() <= line_up-20:
a = (h + (.74*w)- 100)
if a >= 0:
cv2.putText(frame, "Truck", (i.getX(), i.getY()), font, 1, (0,0,255), 2, cv2.LINE_AA)
else:
cv2.putText(frame, "car", (i.getX(), i.getY()), font, 1, (0,0,255), 2, cv2.LINE_AA)
str_up='UP: '+str(cnt_up)
str_down='DOWN: '+str(cnt_down)
frame=cv2.line(frame,(0,line_up),(900,line_up),(0,0,255),3,8)
frame=cv2.line(frame,(0,up_limit),(900,up_limit),(0,0,0),1,8)
frame=cv2.line(frame,(0,down_limit),(900,down_limit),(255,255,0),1,8)
frame = cv2.line(frame, (0, line_down), (900, line_down), (255, 0,0), 3, 8)
cv2.imshow('Frame',frame)
if cv2.waitKey(1)&0xff==ord('q'):
break
else:
break
cap.release()
cv2.destroyAllWindows()
运行结果如下：
C++学习参考实例：
C++实现图形界面五子棋游戏源码：
https://blog.csdn.net/alicema1111/article/details/90035420
C++实现图形界面五子棋游戏源码2：
https://blog.csdn.net/alicema1111/article/details/106479579
C++ OpenCV相片视频人脸识别统计人数：
https://blog.csdn.net/alicema1111/article/details/105833928
VS2017+PCL开发环境配置：
https://blog.csdn.net/alicema1111/article/details/106877145
VS2017+Qt+PCL点云开发环境配置：
https://blog.csdn.net/alicema1111/article/details/105433636
C++ OpenCV汽车检测障碍物与测距：
https://blog.csdn.net/alicema1111/article/details/105833449
Windows VS2017安装配置PCL点云库：
https://blog.csdn.net/alicema1111/article/details/105111110