MLEyeTrackingStateEx

Module: Eye Tracking

Information about the state of the eye tracking system. More...

#include <ml_eye_tracking.h>

Public Attributes

Type	Name
uint32_t	version
float	vergence_confidence A quality metric confidence value 0.0 - 1.0 to indicate accuracy of vergence.
float	left_center_confidence A quality metric confidence value 0.0 - 1.0 to indicate accuracy of left eye center.
float	right_center_confidence A quality metric confidence value 0.0 - 1.0 to indicate accuracy of right eye center.
bool	left_blink
bool	right_blink
MLEyeTrackingError	error
MLTime	timestamp The timestamp for all the data fields in this struct.
float	left_eye_openness Openness of the left eye.
float	right_eye_openness Openness of the right eye.

Detailed Description

struct MLEyeTrackingStateEx;

Information about the state of the eye tracking system.

This structure must be initialized by calling MLEyeTrackingStateInit() before use.

API Level:

• 26

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Public Attributes Documentation

version

uint32_t version;

Version of this structure.

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vergence_confidence

float vergence_confidence;

A quality metric confidence value 0.0 - 1.0 to indicate accuracy of vergence.

Output may be arbitrary if confidence == 0.

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left_center_confidence

float left_center_confidence;

A quality metric confidence value 0.0 - 1.0 to indicate accuracy of left eye center.

Output may be arbitrary if confidence == 0.

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right_center_confidence

float right_center_confidence;

A quality metric confidence value 0.0 - 1.0 to indicate accuracy of right eye center.

Output may be arbitrary if confidence == 0.

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left_blink

bool left_blink;

Returns true if eyes are inside a blink. When not wearing the device, values can be arbitrary.

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right_blink

bool right_blink;

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error

MLEyeTrackingError error;

Represents what eye tracking error (if any) is present.

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timestamp

MLTime timestamp;

The timestamp for all the data fields in this struct.

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left_eye_openness

float left_eye_openness;

Openness of the left eye.

Output is 0.0 - 1.0, with 0.0 being fully closed and 1.0 fully open.

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right_eye_openness

float right_eye_openness;

Openness of the right eye.

Output is 0.0 - 1.0, with 0.0 being fully closed and 1.0 fully open.

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