Pupil evaluation using modulated in-line illumination
A pupillary, coaxial technique, applied in the field of pupillary features, which can solve the problem that the contrast is not so obvious, and the pupil detection technique is not accurate or effective
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[0024] Numerous details are described in order to provide a thorough understanding of example implementations shown in the accompanying drawings. However, the appended drawings illustrate only some example aspects of the disclosure and are therefore not to be considered limiting. One of ordinary skill in the art will understand that other effective aspects and / or variations do not include all of the specific details described herein. Furthermore, well-known systems, methods, components, devices, and circuits have not been described in detail so as not to obscure more relevant aspects of the example implementations described herein.
[0025] A pupil characteristic assessment system includes a light source, an image sensor, and a processor that performs pupil characteristic assessment based on data received from the light sensor regarding light reflected off the user's eye from the light source. In various implementations, pupil characteristics are determined using on-axis illu...
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