administrator/frigate
1
0
Fork 0
mirror of https://github.com/blakeblackshear/frigate.git synced 2026-03-28 19:18:22 +03:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

publish the detected plate's box coordinates in tracked_object_update

Browse Source
This commit is contained in:
Josh Hawkins 2026-03-08 16:34:39 -05:00
parent b2c7840c29
commit 5aa00b8fb9
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
frigate/data_processing/common/license_plate/mixin.py
View File

@ -1225,6 +1225,8 @@ class LicensePlateProcessingMixin:
logger.debug(f"{camera}: License plate area below minimum threshold.") logger.debug(f"{camera}: License plate area below minimum threshold.")
return return
plate_box = license_plate
license_plate_frame = rgb[ license_plate_frame = rgb[
license_plate[1] : license_plate[3], license_plate[1] : license_plate[3],
license_plate[0] : license_plate[2], license_plate[0] : license_plate[2],
@ -1341,6 +1343,20 @@ class LicensePlateProcessingMixin:
logger.debug(f"{camera}: License plate is less than min_area") logger.debug(f"{camera}: License plate is less than min_area")
return return
# Scale back to original car coordinates and then to frame
plate_box_in_car = (
license_plate[0] // 2,
license_plate[1] // 2,
license_plate[2] // 2,
license_plate[3] // 2,
)
plate_box = (
left + plate_box_in_car[0],
top + plate_box_in_car[1],
left + plate_box_in_car[2],
top + plate_box_in_car[3],
)
license_plate_frame = car[ license_plate_frame = car[
license_plate[1] : license_plate[3], license_plate[1] : license_plate[3],
license_plate[0] : license_plate[2], license_plate[0] : license_plate[2],
@ -1404,6 +1420,8 @@ class LicensePlateProcessingMixin:
0, [license_plate_frame.shape[1], license_plate_frame.shape[0]] * 2 0, [license_plate_frame.shape[1], license_plate_frame.shape[0]] * 2
) )
plate_box = tuple(int(x) for x in expanded_box)
# Crop using the expanded box # Crop using the expanded box
license_plate_frame = license_plate_frame[ license_plate_frame = license_plate_frame[
int(expanded_box[1]) : int(expanded_box[3]), int(expanded_box[1]) : int(expanded_box[3]),
@ -1611,6 +1629,7 @@ class LicensePlateProcessingMixin:
"id": id, "id": id,
"camera": camera, "camera": camera,
"timestamp": start, "timestamp": start,
"plate_box": plate_box,
} }
), ),
) )