mirror of https://github.com/Askill/SurvBot.git
87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
from imutils.video import VideoStream
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import argparse
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import datetime
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import imutils
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import time
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import cv2
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import com
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import config
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import traceback
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import _thread
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def compare():
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try:
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url = config.stream
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min_area = 3000
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max_area = 10000
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counter = 0
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threashold = 18
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delay = .3
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framerate = 30
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# initialize the first frame in the video stream
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vs = cv2.VideoCapture(url)
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firstFrame = None
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# loop over the frames of the video
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while True:
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frame = vs.read()[1]
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text = "Unoccupied"
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# if the frame could not be grabbed, then we have reached the end of the video
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if frame is None:
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retry("frame was none")
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# resize the frame, convert it to grayscale, and blur it
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frame = imutils.resize(frame, width=500)
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gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
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gray = cv2.GaussianBlur(gray, (31, 31), 0)
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# if the first frame is None, initialize it
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if firstFrame is None:
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firstFrame = gray
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continue
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frameDelta = cv2.absdiff(gray, firstFrame)
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thresh = cv2.threshold(frameDelta, threashold, 255, cv2.THRESH_BINARY)[1]
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# dilate the thresholded image to fill in holes, then find contours
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thresh = cv2.dilate(thresh, None, iterations=2)
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cnts = cv2.findContours(thresh.copy(), cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
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cnts = imutils.grab_contours(cnts)
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# loop over the contours
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for c in cnts:
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if cv2.contourArea(c) < min_area or cv2.contourArea(c) > max_area:
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continue
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(x, y, w, h) = cv2.boundingRect(c)
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cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 255, 0), 2)
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text = "Occupied"
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# draw the text and timestamp on the frame
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cv2.putText(frame, "Room Status: {}".format(text), (10, 20),
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cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
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if text == "Occupied" and config.monitor:
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img = frame
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location = com.saveImage(img)
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_thread.start_new_thread(com.notify, (location, ) )
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#com.notify(location)
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counter+=1
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if counter % (framerate * delay) == 0:
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firstFrame = gray
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except Exception as e:
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traceback.print_exc()
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retry(e)
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def retry(error):
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print(error)
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time.sleep(10)
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compare()
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