Target Detection

services

Enable Target Recognition

Topic: thing/product/{gateway_sn}/services

Direction: down

Method: target_detect_open

Data:

Column	Name	Type	constraint	Description
ai_lens_type	Detection lens	int	0: Visible Light, 1: Infrared, 2: Night Vision (not supported at the moment)
scene_type	Current recognition scene	int	0: General	Default to pass 0
target_type_list	List of detection types currently selected by the user. An empty list indicates all supported detection types under the current recognition scene for recognition	list<int>	Refer to the definition of "Target Recognition Type" below	NULL can be passed

Example**：**

Topic: thing/product/{gateway_sn}/services_reply

Direction: up

Method: target_detect_open

Column	Name	Type	constraint	Description
result	Is AI recognition enabled	int		0 for success, non-zero for failure

Target Recognition Result Reporting

Topic: topic: thing/product/{device_sn}/state

**Direction:**up

Method: target_detect_result_report

Data:

Column	Name	Type	constraint	Description
time	Timestamp	long
uav_id	Drone ID	String
camera_id	Camera ID	int	0: Visible Light, 1: Infrared
global_pos	Aircraft Latitude and Longitude	GlobalPos
camera	Camera Parameters	CameraBean
obj_cnt	Number of Detected Targets	int
objs	Detection Content	List<ObjCnts>

ObjCnts

Column	Name		Type	constraint	Description
tracker_id	Detected Target ID		String
cls_id	Detected Target Type		int
bbox	Target Detection Box		BBox
pos	Target Latitude and Longitude		GlobalPos
pic	Path to the First Frame Image		String		(May be subject to change, base slot and aircraft currently cannot obtain screenshots)

BBox

Column	Name	Type	constraint	Description
x	Target's X-coordinate on the screen	float		Proportion of the screen
y	Target's Y-coordinate on the screen	float		Proportion of the screen
w	Target's width on the screen	float		Proportion of the screen
h	Target's height on the screen	float		Proportion of the screen

CameraBean

Column	Name	Type	constraint	Description
roll	Gimbal Roll Angle	float
pitch	Gimbal Pitch Angle	float
yaw	Gimbal Yaw Angle (Horizontal)	float
longitude	Drone Longitude	float
latitude	Drone Latitude	float
height	Drone Relative Altitude	float
fov	Field of View Angle	flaot[]
resolution	Original Image Resolution	int[]
focal_type	Focal Length Type	String

GlobalPos

Column	Name	Type	constraint	Description
latitude	Latitude	float
longitude	Longitude	float
altitude	Altitude	float

Target**Type：**

Target Type ID	Target Name
0	Background
1	Animal
2	Boat
3	Car
4	Pedestrian
5	Cyclist
6	Truck
34	Drone
35	Smoke
36	Fire
99	No Target Detected

Disable Target Recognition

Topic: thing/product/{gateway_sn}/services

Direction: down

Method: target_detect_close

Data:

Example**：**

Topic: thing/product/{gateway_sn}/services_reply

Direction: up

Method: target_detect_close

Column	Name	Type	constraint	Description
result	Result of Disabling AI Recognition	int		0 for success, non-zero for failure