Target Recognition

Service

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 (currently unsupported)
scene_type	Current recognition scene	int	0: General	Default value is 0
target_type_list	List of selected detection types by the user; an empty list indicates recognition of all supported detection types in the current scene	list`<int>`	See definition of "Target recognition types" below	NULL is acceptable

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: Success, Non-zero: Failure

Turn Off 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	Disable AI recognition operation result	int		0: Success, Non-zero: Failure

Select Tracking Target Information

The tracking target function allows the aircraft to adjust its body to face the target, making that target point the center of the camera's view.

Topic: thing/product/{gateway_sn}/services

Direction: down

Method: select_tracking_target

Data:

Column	Name	Type	constraint
locked	Whether the relative position of the nose and gimbal is locked	bool	false: only the gimbal turns, the body does not turn; true: locks the nose, the gimbal and body turn together
start_x	Starting point x-coordinate	double
start_y	Starting point y-coordinate	double
width	Width of the target point	double
height	Height of the target point	double
tracker_id	Detection target ID	int

Example:

{
    "bid": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx",
    "data": {
        "start_x": 0.5,
        "start_y": 0.5,
        "locked": true,
        "width": 0.8,
        "height": 0.3,
        "tracker_id": 123456
    },
    "tid": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx",
    "timestamp": 1654070968655,
    "method": "select_tracking_target"
}

Topic: thing/product/{gateway_sn}/services_reply

Direction: up

Method: select_tracking_target

Data:

Column	Name	Type	constraint	Description
result	Return code	int		Non-zero indicates an error

Example:

{
    "bid": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx",
    "data": {
        "result": 0
    },
    "tid": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx",
    "timestamp": 1654070968655,
    "method": "select_tracking_target"
}

Exit Target Lock

Exiting the target lock will continue target detection; the target will not stop being detected unless target recognition is turned off.

Topic: thing/product/{gateway_sn}/services

Direction: down

Method: target_tracking_close

Data:

Example：

Topic: thing/product/{gateway_sn}/services_reply

Direction: up

Method: target_tracking_close

Column	Name	Type	constraint	Description
result	Result of closing AI recognition operation	int		0 for success; non-zero for failure

Status