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57 changes: 57 additions & 0 deletions OpenCV Projects/ParkingSpaceDetector/main.py
Original file line number Diff line number Diff line change
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import cv2
import pickle
import cvzone
import numpy as np

# Video feed
cap = cv2.VideoCapture('carPark.mp4')

with open('CarParkPos', 'rb') as f:
posList = pickle.load(f)

width, height = 107, 48


def checkParkingSpace(imgPro):
spaceCounter = 0

for pos in posList:
x, y = pos

imgCrop = imgPro[y:y + height, x:x + width]
# cv2.imshow(str(x * y), imgCrop)
count = cv2.countNonZero(imgCrop)


if count < 900:
color = (0, 255, 0)
thickness = 5
spaceCounter += 1
else:
color = (0, 0, 255)
thickness = 2

cv2.rectangle(img, pos, (pos[0] + width, pos[1] + height), color, thickness)
cvzone.putTextRect(img, str(count), (x, y + height - 3), scale=1,
thickness=2, offset=0, colorR=color)

cvzone.putTextRect(img, f'Free: {spaceCounter}/{len(posList)}', (100, 50), scale=3,
thickness=5, offset=20, colorR=(0,200,0))
while True:

if cap.get(cv2.CAP_PROP_POS_FRAMES) == cap.get(cv2.CAP_PROP_FRAME_COUNT):
cap.set(cv2.CAP_PROP_POS_FRAMES, 0)
success, img = cap.read()
imgGray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
imgBlur = cv2.GaussianBlur(imgGray, (3, 3), 1)
imgThreshold = cv2.adaptiveThreshold(imgBlur, 255, cv2.ADAPTIVE_THRESH_GAUSSIAN_C,
cv2.THRESH_BINARY_INV, 25, 16)
imgMedian = cv2.medianBlur(imgThreshold, 5)
kernel = np.ones((3, 3), np.uint8)
imgDilate = cv2.dilate(imgMedian, kernel, iterations=1)

checkParkingSpace(imgDilate)
cv2.imshow("Image", img)
# cv2.imshow("ImageBlur", imgBlur)
# cv2.imshow("ImageThres", imgMedian)
cv2.waitKey(10)
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