Created
October 9, 2024 02:58
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| import cv2 as cv | |
| import argparse | |
| import time | |
| import numpy as np | |
| backSub = cv.createBackgroundSubtractorMOG2(history=20) | |
| capture = cv.VideoCapture(cv.samples.findFileOrKeep("/home/wg25r/Downloads/Gasvid_short_video/MOV_1473_short.mp4")) | |
| last_frame = None | |
| while True: | |
| ret, frame = capture.read() | |
| if frame is None: | |
| break | |
| if last_frame is None: | |
| last_frame = frame | |
| frame = np.mean([frame, last_frame], axis=0).astype(np.uint8) | |
| backSub.apply(frame) | |
| fgMask = (1e-6 + np.abs((backSub.getBackgroundImage().astype(float)-frame.astype(float))/255)) | |
| fgMask = (fgMask - np.min(fgMask))/(np.max(fgMask) - np.min(fgMask)) | |
| # cv.imshow("bakground",backSub.getBackgroundImage()) | |
| cv.rectangle(frame, (10, 2), (100, 20), (255, 255, 255), -1) | |
| cv.putText(frame, str(capture.get(cv.CAP_PROP_POS_FRAMES)), (15, 15), | |
| cv.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0)) | |
| cv.imshow('Frame', frame) | |
| cv.imshow('FG Mask', fgMask) | |
| keyboard = cv.waitKey(30) | |
| if keyboard == 'q' or keyboard == 27: | |
| break | |
| last_frame = frame | |
| cv.destroyAllWindows() |
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