Synchronizing eye movement parameters for a delay from a monitor output to a sensor

A non-transitory computer-readable medium having instructions that, when executed by a computer, cause the computer to execute a method, the method comprising:

• obtaining a video stream from a client device associated with a user, the video stream including a video of a face of the user;
• obtaining a time series of a set of oculometric parameters from the video stream, wherein the set of oculometric parameters includes (a) eye tracking data that is indicative of a rotation of an iris associated with an eye of the user, and a location of a pupil and the iris, (b) eye size data indicative of a pupil radius and iris radius, and (c) eye openness data that is indicative of an openness of the eye, wherein the set of oculometric parameters is obtained at a first temporal resolution;
• up sampling the set of oculometric parameters to a second temporal resolution to generate an up sampled set of oculometric parameters, wherein the second temporal resolution is greater than the first temporal resolution;
• synchronizing the up sampled set of oculometric parameters with a video stimulus presented on a display of the client device to obtain a synchronized set of oculometric parameters, wherein the synchronizing is based on light modulation in the video stimulus, wherein the synchronizing comprises:
• obtaining video stimulus information, wherein the video stimulus information includes stimulus type information, information descriptive of graphic features of the video stimulus, or brightness and color modulation information of the video stimulus;
• obtaining reflected light information, wherein the reflected light information includes information regarding light reflected from a target in an environment in which the user is located, and red, green, and blue (RGB) intensity values sampled from the video stream received from the client device;
• and
• synchronizing a time component in the set of the up sampled set of oculometric parameters based on the video stimulus information and the reflected light information to generate the synchronized set of oculometric parameters;
• and
• obtaining, based on the synchronized set of oculometric parameters, a set of eye movement parameters that are indicative of a movement of the eye in response to the video stimulus.

A system, comprising:

• a memory storing a set of instructions;
• and
• a processor configured to execute the set of instructions to cause the system to perform a method of:
• obtaining a video stream from a client device associated with a user, the video stream including a video of a face of the user;
• processing the video stream to obtain a set of oculometric parameters, wherein the set of oculometric parameters includes (a) eye tracking data that is indicative of a rotation of an iris associated with an eye of the user, and a location of a pupil and the iris, (b) eye size data indicative of a pupil radius and iris radius, and (c) eye openness data that is indicative of an openness of the eye;
• synchronizing the set of oculometric parameters with a video stimulus presented on a display of the client device to obtain a synchronized set of oculometric parameters, wherein the synchronizing is based on light modulation in the video stimulus, wherein the synchronizing comprises:
• obtaining video stimulus information, wherein the video stimulus information includes stimulus type information, information descriptive of graphic features of the video stimulus, or brightness and color modulation information of the video stimulus;
• obtaining reflected light information, wherein the reflected light information includes information regarding light reflected from a target in an environment in which the user is located, and red, green, and blue (RGB) intensity values sampled from the video stream received from the client device;
• and
• synchronizing a time component in the set of the up sampled set of oculometric parameters based on the video stimulus information and the reflected light information to generate the synchronized set of oculometric parameters;
• and
• obtaining, based on the synchronized set of oculometric parameters, a set of eye movement parameters that are indicative of a movement of the eye in response to the video stimulus.