mirror of
				https://github.com/blakeblackshear/frigate.git
				synced 2025-10-27 10:52:11 +01:00 
			
		
		
		
	* use a different method for blur and contrast to reduce CPU * blur with radius instead * use faster interpolation for motion * improve contrast based on averages * increase default threshold to 30 * ensure mask is applied after contrast improvement * update opencv * update benchmark script
		
			
				
	
	
		
			119 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			119 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import datetime
 | 
						|
import multiprocessing as mp
 | 
						|
import os
 | 
						|
 | 
						|
import cv2
 | 
						|
import numpy as np
 | 
						|
 | 
						|
from frigate.config import MotionConfig
 | 
						|
from frigate.motion.improved_motion import ImprovedMotionDetector
 | 
						|
from frigate.util import create_mask
 | 
						|
 | 
						|
# get info on the video
 | 
						|
# cap = cv2.VideoCapture("debug/front_cam_2023_05_23_08_41__2023_05_23_08_43.mp4")
 | 
						|
# cap = cv2.VideoCapture("debug/motion_test_clips/rain_1.mp4")
 | 
						|
cap = cv2.VideoCapture("debug/motion_test_clips/lawn_mower_night_1.mp4")
 | 
						|
# cap = cv2.VideoCapture("airport.mp4")
 | 
						|
width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
 | 
						|
height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
 | 
						|
fps = cap.get(cv2.CAP_PROP_FPS)
 | 
						|
frame_shape = (height, width, 3)
 | 
						|
# Nick back:
 | 
						|
# "1280,0,1280,316,1170,216,1146,126,1016,127,979,82,839,0",
 | 
						|
# "310,350,300,402,224,405,241,354",
 | 
						|
# "378,0,375,26,0,23,0,0",
 | 
						|
# Front door:
 | 
						|
# "1080,0,1080,339,1010,280,1020,169,777,163,452,170,318,299,191,365,186,417,139,470,108,516,40,530,0,514,0,0",
 | 
						|
# "336,833,438,1024,346,1093,103,1052,24,814",
 | 
						|
# Back
 | 
						|
# "1855,0,1851,100,1289,96,1105,161,1045,119,890,121,890,0",
 | 
						|
# "505,95,506,138,388,153,384,114",
 | 
						|
# "689,72,689,122,549,134,547,89",
 | 
						|
# "261,134,264,176,169,195,167,158",
 | 
						|
# "145,159,146,202,70,220,65,183",
 | 
						|
 | 
						|
mask = create_mask(
 | 
						|
    (height, width),
 | 
						|
    [
 | 
						|
        "1080,0,1080,339,1010,280,1020,169,777,163,452,170,318,299,191,365,186,417,139,470,108,516,40,530,0,514,0,0",
 | 
						|
        "336,833,438,1024,346,1093,103,1052,24,814",
 | 
						|
    ],
 | 
						|
)
 | 
						|
 | 
						|
# create the motion config
 | 
						|
motion_config_1 = MotionConfig()
 | 
						|
motion_config_1.mask = np.zeros((height, width), np.uint8)
 | 
						|
motion_config_1.mask[:] = mask
 | 
						|
# motion_config_1.improve_contrast = 1
 | 
						|
motion_config_1.frame_height = 150
 | 
						|
# motion_config_1.frame_alpha = 0.02
 | 
						|
# motion_config_1.threshold = 30
 | 
						|
# motion_config_1.contour_area = 10
 | 
						|
 | 
						|
motion_config_2 = MotionConfig()
 | 
						|
motion_config_2.mask = np.zeros((height, width), np.uint8)
 | 
						|
motion_config_2.mask[:] = mask
 | 
						|
# motion_config_2.improve_contrast = 1
 | 
						|
motion_config_2.frame_height = 150
 | 
						|
# motion_config_2.frame_alpha = 0.01
 | 
						|
motion_config_2.threshold = 20
 | 
						|
# motion_config.contour_area = 10
 | 
						|
 | 
						|
save_images = True
 | 
						|
 | 
						|
improved_motion_detector_1 = ImprovedMotionDetector(
 | 
						|
    frame_shape=frame_shape,
 | 
						|
    config=motion_config_1,
 | 
						|
    fps=fps,
 | 
						|
    improve_contrast=mp.Value("i", motion_config_1.improve_contrast),
 | 
						|
    threshold=mp.Value("i", motion_config_1.threshold),
 | 
						|
    contour_area=mp.Value("i", motion_config_1.contour_area),
 | 
						|
    name="default",
 | 
						|
)
 | 
						|
improved_motion_detector_1.save_images = save_images
 | 
						|
 | 
						|
improved_motion_detector_2 = ImprovedMotionDetector(
 | 
						|
    frame_shape=frame_shape,
 | 
						|
    config=motion_config_2,
 | 
						|
    fps=fps,
 | 
						|
    improve_contrast=mp.Value("i", motion_config_2.improve_contrast),
 | 
						|
    threshold=mp.Value("i", motion_config_2.threshold),
 | 
						|
    contour_area=mp.Value("i", motion_config_2.contour_area),
 | 
						|
    name="compare",
 | 
						|
)
 | 
						|
improved_motion_detector_2.save_images = save_images
 | 
						|
 | 
						|
# read and process frames
 | 
						|
ret, frame = cap.read()
 | 
						|
frame_counter = 1
 | 
						|
while ret:
 | 
						|
    yuv_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2YUV_I420)
 | 
						|
 | 
						|
    start_frame = datetime.datetime.now().timestamp()
 | 
						|
    improved_motion_detector_1.detect(yuv_frame)
 | 
						|
 | 
						|
    start_frame = datetime.datetime.now().timestamp()
 | 
						|
    improved_motion_detector_2.detect(yuv_frame)
 | 
						|
 | 
						|
    default_frame = f"debug/frames/default-{frame_counter}.jpg"
 | 
						|
    compare_frame = f"debug/frames/compare-{frame_counter}.jpg"
 | 
						|
    if os.path.exists(default_frame) and os.path.exists(compare_frame):
 | 
						|
        images = [
 | 
						|
            cv2.imread(default_frame),
 | 
						|
            cv2.imread(compare_frame),
 | 
						|
        ]
 | 
						|
 | 
						|
        cv2.imwrite(
 | 
						|
            f"debug/frames/all-{frame_counter}.jpg",
 | 
						|
            cv2.vconcat(images)
 | 
						|
            if frame_shape[0] > frame_shape[1]
 | 
						|
            else cv2.hconcat(images),
 | 
						|
        )
 | 
						|
        os.unlink(default_frame)
 | 
						|
        os.unlink(compare_frame)
 | 
						|
    frame_counter += 1
 | 
						|
 | 
						|
    ret, frame = cap.read()
 | 
						|
 | 
						|
cap.release()
 |