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Update to support the latest version of Tobii Pro SDK #3

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Update to support the latest version of Tobii Pro SDK #3

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bcc85c4
Update to support the latest Tobii Pro SDK
kurokida Jun 26, 2023
da06cbe
Support for older versions of MATLAB
kurokida Jun 26, 2023
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42 changes: 29 additions & 13 deletions source/ScreenBasedCalibrationValidation/ScreenBasedCalibrationValidation.m
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@
error(msgID, msg);
end

if ~ismember(Capabilities.CanDoScreenBasedCalibration,new_tracker.DeviceCapabilities)
if ~ismember(EyeTrackerCapabilities.CanDoScreenBasedCalibration,new_tracker.DeviceCapabilities)
msg = 'Eye tracker is not capable of perform a screen based monocular calibration.';
error(msgID, msg);
end
Expand Down Expand Up @@ -180,12 +180,15 @@ function collect_data(calib_validation, target_point2D)
direction_gaze_point_left = calib_validation.NormalizedDirection(gaze_origin_average_left, gaze_point_average_left);
direction_target_left = calib_validation.NormalizedDirection(gaze_origin_average_left, target_point3D);

accuracy_left_eye = round(calib_validation.Angle(direction_target_left, direction_gaze_point_left), 3);
%accuracy_left_eye = round(calib_validation.Angle(direction_target_left, direction_gaze_point_left), 3);
accuracy_left_eye = round(calib_validation.Angle(direction_target_left, direction_gaze_point_left)*1000)/1000;


direction_gaze_point_right = calib_validation.NormalizedDirection(gaze_origin_average_right, gaze_point_average_right);
direction_target_right = calib_validation.NormalizedDirection(gaze_origin_average_right, target_point3D);

accuracy_right_eye = round(calib_validation.Angle(direction_target_right, direction_gaze_point_right), 3);
%accuracy_right_eye = round(calib_validation.Angle(direction_target_right, direction_gaze_point_right), 3);
accuracy_right_eye = round(calib_validation.Angle(direction_target_right, direction_gaze_point_right)*1000)/1000;

variance_left = mean(calib_validation.Angle(calib_validation.NormalizedDirection(gaze_origin_left, gaze_point_left), calib_validation.NormalizedDirection(gaze_origin_left, gaze_point_average_left)).^2);
variance_right = mean(calib_validation.Angle(calib_validation.NormalizedDirection(gaze_origin_right, gaze_point_right), calib_validation.NormalizedDirection(gaze_origin_right, gaze_point_average_right)).^2);
Expand All @@ -198,11 +201,17 @@ function collect_data(calib_validation, target_point2D)
variance_right = 0;
end

precision_left_eye = round(sqrt(variance_left), 3);
precision_right_eye = round(sqrt(variance_right), 3);
%precision_left_eye = round(sqrt(variance_left), 3);
%precision_right_eye = round(sqrt(variance_right), 3);
precision_left_eye = round(sqrt(variance_left)*1000)/1000;
precision_right_eye = round(sqrt(variance_right)*1000)/1000;


%precision_rms_left_eye = round(calib_validation.RMS(calib_validation.NormalizedDirection(gaze_origin_left, gaze_point_left)), 3);
%precision_rms_right_eye = round(calib_validation.RMS(calib_validation.NormalizedDirection(gaze_origin_right, gaze_point_right)), 3);
precision_rms_left_eye = round(calib_validation.RMS(calib_validation.NormalizedDirection(gaze_origin_left, gaze_point_left))*1000)/1000;
precision_rms_right_eye = round(calib_validation.RMS(calib_validation.NormalizedDirection(gaze_origin_right, gaze_point_right))*1000)/1000;

precision_rms_left_eye = round(calib_validation.RMS(calib_validation.NormalizedDirection(gaze_origin_left, gaze_point_left)), 3);
precision_rms_right_eye = round(calib_validation.RMS(calib_validation.NormalizedDirection(gaze_origin_right, gaze_point_right)), 3);

calib_validation.CollectedPoints = [calib_validation.CollectedPoints; CalibrationValidationPoint(target_point2D, accuracy_left_eye, precision_left_eye, precision_rms_left_eye, accuracy_right_eye, precision_right_eye, precision_rms_right_eye, false, valid_samples)];
end
Expand Down Expand Up @@ -283,12 +292,19 @@ function discard_data(calib_validation, target_point2D)

end

average_precision_left_eye = round(precision_left_eye / non_timed_out_count, 3);
average_precision_right_eye = round(precision_right_eye / non_timed_out_count, 3);
average_accuracy_left_eye = round(accuracy_left_eye / non_timed_out_count, 3);
average_accuracy_right_eye = round(accuracy_right_eye / non_timed_out_count, 3);
average_precision_rms_left_eye = round(precision_rms_left_eye / non_timed_out_count, 3);
average_precision_rms_right_eye = round(precision_rms_right_eye / non_timed_out_count, 3);
% average_precision_left_eye = round(precision_left_eye / non_timed_out_count, 3);
% average_precision_right_eye = round(precision_right_eye / non_timed_out_count, 3);
% average_accuracy_left_eye = round(accuracy_left_eye / non_timed_out_count, 3);
% average_accuracy_right_eye = round(accuracy_right_eye / non_timed_out_count, 3);
% average_precision_rms_left_eye = round(precision_rms_left_eye / non_timed_out_count, 3);
% average_precision_rms_right_eye = round(precision_rms_right_eye / non_timed_out_count, 3);

average_precision_left_eye = round(precision_left_eye / non_timed_out_count *1000)/1000;
average_precision_right_eye = round(precision_right_eye / non_timed_out_count *1000)/1000;
average_accuracy_left_eye = round(accuracy_left_eye / non_timed_out_count *1000)/1000;
average_accuracy_right_eye = round(accuracy_right_eye / non_timed_out_count*1000)/1000;
average_precision_rms_left_eye = round(precision_rms_left_eye / non_timed_out_count*1000)/1000;
average_precision_rms_right_eye = round(precision_rms_right_eye / non_timed_out_count*1000)/1000;

result = CalibrationValidationResult(calib_validation.CollectedPoints, average_accuracy_left_eye, average_precision_left_eye, average_precision_rms_left_eye, ...
average_accuracy_right_eye, average_precision_right_eye, average_precision_rms_right_eye);
Expand Down