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Hello! I would like to have an option to change the color of the backgrund used during calibration. I’m Using EyeX eye tracker and the calibration procedure in the software always has a black background. When this is used in a dimly-lit room, the pupils are wide open during the calibration.
The problem is that when an application has a light background, the pupils will shrink and cause a noticeable, constant vertical offset in the gaze data.
Hi @marklaane, you are right in that the black background is indeed intentionally so to increase the pupil size and so maximise the chance of a good quality calibration. Accordingly, I doubt that the ability to change the background during calibration is likely to be implemented, but I shall create a feature request on your behalf and pass it along to the developers.
In the meantime, it might be worth turning down the brightness/contrast of the your screen in situations where the application is mostly brightly (or white) coloured.
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