微妙性能な動体検知。

moving.py

import cv2
import numpy


cam = cv2.VideoCapture(0)
cam.set(cv2.CAP_PROP_FRAME_WIDTH, 1280)
cam.set(cv2.CAP_PROP_FRAME_HEIGHT, 720)

mog = cv2.createBackgroundSubtractorMOG2()

while cv2.waitKey(1):
	img = cam.read()[1]
	out = numpy.array(cv2.GaussianBlur(img, (5, 5), 10))

	mask = cv2.GaussianBlur(mog.apply(img), (9, 9), 10)

	canny = cv2.GaussianBlur(cv2.Canny(mask, 10, 50), (19, 19), 7)

	cnts = cv2.findContours(canny, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_NONE)[1]
	for cnt in cnts:
		rect = cv2.boundingRect(cnt)
		cv2.rectangle(out, rect[:2], (rect[0]+rect[2], rect[1]+rect[3]), (255, 0, 0))

	cv2.imshow('moving', out)