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https://github.com/blakeblackshear/frigate.git
synced 2026-02-18 09:04:28 +03:00
implement speed_threshold for zone presence
This commit is contained in:
Josh Hawkins
parent
55effc2f8e
commit
d12298d9e3
@ -1,13 +1,16 @@
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# this uses the base model because the color is an extra attribute
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import logging
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from typing import Optional, Union
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import numpy as np
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from pydantic import BaseModel, Field, PrivateAttr, field_validator
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from pydantic import BaseModel, Field, PrivateAttr, field_validator, model_validator
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from .objects import FilterConfig
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__all__ = ["ZoneConfig"]
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logger = logging.getLogger(__name__)
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class ZoneConfig(BaseModel):
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filters: dict[str, FilterConfig] = Field(
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@ -30,6 +33,11 @@ class ZoneConfig(BaseModel):
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ge=0,
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title="Number of seconds that an object must loiter to be considered in the zone.",
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)
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speed_threshold: Optional[float] = Field(
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default=None,
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ge=0.1,
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title="Minimum speed value for an object to be considered in the zone.",
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)
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objects: Union[str, list[str]] = Field(
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default_factory=list,
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title="List of objects that can trigger the zone.",
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@ -71,6 +79,16 @@ class ZoneConfig(BaseModel):
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return distances
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@model_validator(mode="after")
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def check_loitering_time_constraints(self):
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if self.loitering_time > 0 and (
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self.speed_threshold is not None or len(self.distances) > 0
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):
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logger.warning(
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"loitering_time should not be set on a zone if speed_threshold or distances is set."
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)
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return self
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def __init__(self, **config):
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super().__init__(**config)
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@ -107,7 +125,7 @@ class ZoneConfig(BaseModel):
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if explicit:
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self.coordinates = ",".join(
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[
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f'{round(int(p.split(",")[0]) / frame_shape[1], 3)},{round(int(p.split(",")[1]) / frame_shape[0], 3)}'
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f"{round(int(p.split(',')[0]) / frame_shape[1], 3)},{round(int(p.split(',')[1]) / frame_shape[0], 3)}"
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for p in coordinates
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]
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)
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@ -146,6 +146,7 @@ class TrackedObject:
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current_zones = []
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bottom_center = (obj_data["centroid"][0], obj_data["box"][3])
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in_loitering_zone = False
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in_speed_zone = False
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# check each zone
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for name, zone in self.camera_config.zones.items():
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@ -154,12 +155,66 @@ class TrackedObject:
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continue
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contour = zone.contour
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zone_score = self.zone_presence.get(name, 0) + 1
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# check if the object is in the zone
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if cv2.pointPolygonTest(contour, bottom_center, False) >= 0:
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# if the object passed the filters once, dont apply again
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if name in self.current_zones or not zone_filtered(self, zone.filters):
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# an object is only considered present in a zone if it has a zone inertia of 3+
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# Calculate speed first if this is a speed zone
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if (
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zone.distances
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and obj_data["frame_time"] == current_frame_time
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and self.active
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):
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speed_magnitude, self.velocity_angle = (
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calculate_real_world_speed(
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zone.contour,
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zone.distances,
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self.obj_data["estimate_velocity"],
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bottom_center,
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self.camera_config.detect.fps,
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)
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)
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if self.ui_config.unit_system == "metric":
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self.current_estimated_speed = (
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speed_magnitude * 3.6
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) # m/s to km/h
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else:
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self.current_estimated_speed = (
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speed_magnitude * 0.681818
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) # ft/s to mph
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self.speed_history.append(self.current_estimated_speed)
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if len(self.speed_history) > 10:
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self.speed_history = self.speed_history[-10:]
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self.average_estimated_speed = sum(self.speed_history) / len(
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self.speed_history
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)
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# we've exceeded the speed threshold on the zone
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# or we don't have a speed threshold set
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if (
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zone.speed_threshold is None
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or self.average_estimated_speed > zone.speed_threshold
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):
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in_speed_zone = True
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logger.debug(
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f"Camera: {self.camera_config.name}, tracked object ID: {self.obj_data['id']}, "
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f"zone: {name}, pixel velocity: {str(tuple(np.round(self.obj_data['estimate_velocity']).flatten().astype(int)))}, "
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f"speed magnitude: {speed_magnitude}, velocity angle: {self.velocity_angle}, "
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f"estimated speed: {self.current_estimated_speed:.1f}, "
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f"average speed: {self.average_estimated_speed:.1f}, "
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f"length: {len(self.speed_history)}"
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)
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# Check zone entry conditions - for speed zones, require both inertia and speed
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if zone_score >= zone.inertia:
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if zone.distances and not in_speed_zone:
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continue # Skip zone entry for speed zones until speed threshold met
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# if the zone has loitering time, update loitering status
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if zone.loitering_time > 0:
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in_loitering_zone = True
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@ -184,44 +239,8 @@ class TrackedObject:
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if 0 < zone_score < zone.inertia:
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self.zone_presence[name] = zone_score - 1
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# update speed
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if (
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zone.distances
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and name in self.current_zones
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and obj_data["frame_time"] == current_frame_time
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and self.active
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):
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speed_magnitude, self.velocity_angle = (
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calculate_real_world_speed(
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zone.contour,
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zone.distances,
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self.obj_data["estimate_velocity"],
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bottom_center,
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self.camera_config.detect.fps,
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)
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if self.active
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else (0, 0)
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)
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if self.ui_config.unit_system == "metric":
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# Convert m/s to km/h
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self.current_estimated_speed = speed_magnitude * 3.6
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elif self.ui_config.unit_system == "imperial":
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# Convert ft/s to mph
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self.current_estimated_speed = speed_magnitude * 0.681818
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# only keep the last 10 speeds
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if len(self.speed_history) > 10:
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self.speed_history = self.speed_history[-10:]
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self.speed_history.append(self.current_estimated_speed)
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self.average_estimated_speed = sum(self.speed_history) / len(
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self.speed_history
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)
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logger.debug(
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f"Camera: {self.camera_config.name}, tracked object ID: {self.obj_data['id']}, zone: {name}, pixel velocity: {str(tuple(np.round(self.obj_data['estimate_velocity']).flatten().astype(int)))}, speed magnitude: {speed_magnitude}, velocity angle: {self.velocity_angle}, estimated speed: {self.current_estimated_speed:.1f}, average speed: {self.average_estimated_speed:.1f}, length: {len(self.speed_history)}"
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)
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else:
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# ensure we do not display an estimate if the object is not currently in a speed tracking zone
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# Reset speed if not in speed zone
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if zone.distances and name not in current_zones:
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self.current_estimated_speed = 0
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# update loitering status
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@ -181,6 +181,13 @@ export default function ZoneEditPane({
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})
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.optional()
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.or(z.literal("")),
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speed_threshold: z.coerce
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.number()
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.min(0.1, {
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message: "Speed threshold must be greater than or equal to 0.1",
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})
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.optional()
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.or(z.literal("")),
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})
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.refine(
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(data) => {
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@ -193,6 +200,21 @@ export default function ZoneEditPane({
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message: "All distance fields must be filled to use speed estimation.",
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path: ["speedEstimation"],
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},
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)
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.refine(
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(data) => {
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// Prevent speed estimation when loitering_time is greater than 0
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return !(
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data.speedEstimation &&
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data.loitering_time &&
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data.loitering_time > 0
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);
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},
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{
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message:
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"Zones with loitering times greater than 0 should not be used with speed estimation.",
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path: ["loitering_time"],
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},
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);
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const form = useForm<z.infer<typeof formSchema>>({
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@ -215,6 +237,10 @@ export default function ZoneEditPane({
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lineB,
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lineC,
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lineD,
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speed_threshold:
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polygon?.camera &&
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polygon?.name &&
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config?.cameras[polygon.camera]?.zones[polygon.name]?.speed_threshold,
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},
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});
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@ -243,6 +269,7 @@ export default function ZoneEditPane({
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lineB,
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lineC,
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lineD,
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speed_threshold,
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}: ZoneFormValuesType, // values submitted via the form
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objects: string[],
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) => {
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@ -349,9 +376,22 @@ export default function ZoneEditPane({
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}
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}
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let speedThresholdQuery = "";
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if (speed_threshold >= 0 && speedEstimation) {
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speedThresholdQuery = `&cameras.${polygon?.camera}.zones.${zoneName}.speed_threshold=${speed_threshold}`;
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} else {
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if (
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polygon?.camera &&
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polygon?.name &&
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config?.cameras[polygon.camera]?.zones[polygon.name]?.speed_threshold
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) {
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speedThresholdQuery = `&cameras.${polygon?.camera}.zones.${zoneName}.speed_threshold`;
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}
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}
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axios
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.put(
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`config/set?cameras.${polygon?.camera}.zones.${zoneName}.coordinates=${coordinates}${inertiaQuery}${loiteringTimeQuery}${distancesQuery}${objectQueries}${alertQueries}${detectionQueries}`,
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`config/set?cameras.${polygon?.camera}.zones.${zoneName}.coordinates=${coordinates}${inertiaQuery}${loiteringTimeQuery}${speedThresholdQuery}${distancesQuery}${objectQueries}${alertQueries}${detectionQueries}`,
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{ requires_restart: 0 },
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)
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.then((res) => {
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@ -573,6 +613,14 @@ export default function ZoneEditPane({
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);
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return;
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}
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const loiteringTime =
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form.getValues("loitering_time");
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if (checked && loiteringTime && loiteringTime > 0) {
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toast.error(
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"Zones with loitering times greater than 0 should not be used with speed estimation.",
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);
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}
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field.onChange(checked);
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}}
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/>
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@ -607,6 +655,7 @@ export default function ZoneEditPane({
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</FormLabel>
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<FormControl>
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<Input
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className="text-md w-full border border-input bg-background p-2 hover:bg-accent hover:text-accent-foreground dark:[color-scheme:dark]"
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{...field}
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onFocus={() => setActiveLine(1)}
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onBlur={() => setActiveLine(undefined)}
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@ -629,6 +678,7 @@ export default function ZoneEditPane({
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</FormLabel>
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<FormControl>
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<Input
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className="text-md w-full border border-input bg-background p-2 hover:bg-accent hover:text-accent-foreground dark:[color-scheme:dark]"
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{...field}
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onFocus={() => setActiveLine(2)}
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onBlur={() => setActiveLine(undefined)}
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@ -651,6 +701,7 @@ export default function ZoneEditPane({
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</FormLabel>
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<FormControl>
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<Input
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className="text-md w-full border border-input bg-background p-2 hover:bg-accent hover:text-accent-foreground dark:[color-scheme:dark]"
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{...field}
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onFocus={() => setActiveLine(3)}
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onBlur={() => setActiveLine(undefined)}
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@ -673,6 +724,7 @@ export default function ZoneEditPane({
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</FormLabel>
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<FormControl>
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<Input
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className="text-md w-full border border-input bg-background p-2 hover:bg-accent hover:text-accent-foreground dark:[color-scheme:dark]"
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{...field}
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onFocus={() => setActiveLine(4)}
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onBlur={() => setActiveLine(undefined)}
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@ -681,6 +733,31 @@ export default function ZoneEditPane({
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</FormItem>
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)}
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/>
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<Separator className="my-2 flex bg-secondary" />
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<FormField
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control={form.control}
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name="speed_threshold"
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render={({ field }) => (
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<FormItem>
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<FormLabel>
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Speed Threshold (
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{config?.ui.unit_system == "imperial" ? "mph" : "kph"})
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</FormLabel>
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<FormControl>
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<Input
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className="text-md w-full border border-input bg-background p-2 hover:bg-accent hover:text-accent-foreground dark:[color-scheme:dark]"
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{...field}
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/>
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</FormControl>
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<FormDescription>
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Specifies a minimum speed for objects to be considered
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in this zone.
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</FormDescription>
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<FormMessage />
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</FormItem>
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)}
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/>
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</>
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)}
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@ -24,6 +24,7 @@ export type ZoneFormValuesType = {
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lineB: number;
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lineC: number;
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lineD: number;
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speed_threshold: number;
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};
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export type ObjectMaskFormValuesType = {
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@ -219,6 +219,7 @@ export interface CameraConfig {
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filters: Record<string, unknown>;
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inertia: number;
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loitering_time: number;
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speed_threshold: number;
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objects: string[];
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color: number[];
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};
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