You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
si_7-IRIS/motion_detector_2.py

132 lines
4.0 KiB
Python

#!/usr/bin/env python
# coding=utf-8
# USAGE
# python motion_detector.py
# python motion_detector.py --video videos/example_01.mp4
# import the necessary packages
# sudo pip install PiCamera[array]
#This script is used to detect motion from camera connected to raspberry pi
#LED light strip lights when motion is detected
#Gaussian blur is used in motion detection, sensitivity of motion detection
#to adjust change "minimum area size"
import imutils
from imutils.video import VideoStream
import argparse
import datetime
import time, sys
from time import sleep
import cv2
from LEDfunctions import *
#LED for motion detection, when motion is detected, LED is lighted
def vu_2_leds(color):
while True:
data = play_process.stdout.readline()
if not data:
pixels.clear() # make LEDs dark
pixels.show()
break
data = data.rstrip()
if data.endswith("%"):
vu = float(data[:-1][-3:])/100 # 0-100
leds_color_intensity(color, vu)
def leds_start_stop(color): # for pirate
while True:
data = play_process.stdout.readline()
data = data.rstrip()
print('data:',data)
print('process:', play_process.stdout.readline()) #_handle_exitstatus
leds_pirate_bounce(color_pirate)
# construct the argument parser and parse the arguments
ap = argparse.ArgumentParser()
ap.add_argument("-a", "--min-area", type=int, default=6000, help="minimum area size")
args = vars(ap.parse_args())
# we are reading from the pi camera
vs = VideoStream(usePiCamera=True).start()
sleep(0.5)
# initialize the first frame in the video stream
firstFrame = None
occupied = False
# loop over the frames of the video
while True:
# grab the current frame and initialize the occupied/unoccupied
# text
frame = vs.read()
frame = frame if args.get("video", None) is None else frame[1]
text = "Unoccupied"
# if the frame could not be grabbed, then we have reached the end of the video
if frame is None:
break
# resize the frame, convert it to grayscale, and blur it
frame = imutils.resize(frame, width=500)
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
gray = cv2.GaussianBlur(gray, (21, 21), 0)
# if the first frame is None, initialize it
if firstFrame is None:
firstFrame = gray
continue
# compute the absolute difference between the current frame and the first frame
frameDelta = cv2.absdiff(firstFrame, gray)
thresh = cv2.threshold(frameDelta, 25, 255, cv2.THRESH_BINARY)[1]
# dilate the thresholded image to fill in holes, then find contours on thresholded image
thresh = cv2.dilate(thresh, None, iterations=2)
cnts = cv2.findContours(thresh.copy(), cv2.RETR_EXTERNAL,
cv2.CHAIN_APPROX_SIMPLE)
cnts = cnts[0] if imutils.is_cv2() else cnts[1]
# loop over the contours
for c in cnts:
# if the contour is too small, ignore it
if cv2.contourArea(c) < args["min_area"]:
continue
# compute the bounding box for the contour, draw it on the frame,
# and update the text
(x, y, w, h) = cv2.boundingRect(c)
cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 255, 0), 2)
text = "Occupied"
if not occupied:
occupied = True
print ('occupied')
# led activation bounce will preform
play_process = leds_activation(color_activation)
# break the while true loop, this will allow the motion.sh loop to preform the second part -> guru-pyrate.py
sys.exit()
if occupied and text == "Unoccupied":
occupied = False
print ("Unoccupied")
#check images for debugging
# # show the frame and record if the user presses a key
# # cv2.imshow("Security Feed", frame)
# cv2.imwrite('RegularCamera.jpg', frame)
# #cv2.imshow("Thresh", thresh)
# cv2.imwrite('threshold.jpg', thresh)
# #cv2.imshow("Frame Delta", frameDelta)
# cv2.imwrite('blured.jpg', frameDelta)
# #key = cv2.waitKey(1) & 0xFF
# # if the `q` key is pressed, break from the lop
# #if key == ord("q"):
# # break
# cleanup the camera and close any open windows
vs.stop() if args.get("video", None) is None else vs.release()
#cv2.destroyAllWindows()