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consolidate regions

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This commit is contained in:
Blake Blackshear 2021-11-04 11:57:26 -05:00
parent 9dc6c423b7
commit 57dcb29f8b
1 changed files with 9 additions and 3 deletions
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12
frigate/video.py
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@ -11,7 +11,7 @@ from collections import defaultdict
from typing import Dict, List
import numpy as np
from cv2 import cv2
from cv2 import cv2, reduce
from setproctitle import setproctitle
from frigate.config import CameraConfig, DetectConfig
@ -389,13 +389,13 @@ def box_overlaps(b1, b2):
return True
def reduce_boxes(boxes):
def reduce_boxes(boxes, iou_threshold=0.0):
clusters = []
for box in boxes:
matched = 0
for cluster in clusters:
if box_overlaps(box, cluster):
if intersection_over_union(box, cluster) > iou_threshold:
matched = 1
cluster[0] = min(cluster[0], box[0])
cluster[1] = min(cluster[1], box[1])
@ -535,6 +535,12 @@ def process_frames(
for a in combined_boxes
]
# consolidate regions with heavy overlap
regions = [
calculate_region(frame_shape, a[0], a[1], a[2], a[3], 1.0)
for a in reduce_boxes(regions, 0.4)
]
# resize regions and detect
# seed with stationary objects
detections = [