![]() and Vázquez Seisdedos, C.R., "Pupil center detection approaches: A comparative analysis", Computación y Sistemas, Vol. Vázquez Romaguera, T., Vázquez Romaguera, L., Castro Piñol, D.and Rahmani, M.Z., "Sistem pengenalan wajah dengan metode eucliden distance", Elektrika Borneo, Vol. and Manoj Kumar, V., "Modelling of eyeball with pan/tilt mechanism and intelligent face recognition using local binary pattern operator", International Journal of Engineering, Transactions A: Basics, Vol. and Utama, J., Rancang bangun sistem informasi lahan parkir kendaraan roda empat di unikom berbasis image processing designed build information system in unikom four-wheeled parking lot based on image processing. and Simarmata, M.M., "Pentingnya pengukuran pupil distance (PD) secara tepat untuk menjaga akurasi distance vitror (DV) kacamata", Jurnal Mata Optik, Vol. and Milataka, I., "Efek prisma pada pemakai kacamata single vision", Jurnal Ilmu Fisika, Vol. and JaNarta, A.R.O.L., "Penyimpangan titik pusat optik lensa (OC) dengan jarak pupil (PD) pemakai kacamata", Wahana Fisika, Vol. In this case, the standard deviation value is obtained from the effect of the different dimensions of the face object on the tested image. As for testing on dark images, the uncertainty values are 0.80 mm. The test was carried out ten times, and the results showed that the system was able to measure PD on low-resolution images of 300 x 300 pixels at 72 dpi in bright image conditions with measurement uncertainty values in each image of 0.60 mm. The program created using the MATLAB software simulates PD measurements for pupillary center detection in bright and dark images conditions. This algorithm combines to get more optimal results in detecting the center of the pupil in dark conditions or those exposed to shadow illumination. This study aims to apply the radial symmetry transformation (RST) method combined with self-quotient (SQI) imagery to detect the pupillary center and measure PD. where the eye does not experience the prism effect. The measurement of the PD is very important to determine the center distance of the pupils in both eyes. This can be known through the measured pupil distance (PD) value information. ![]() ![]() The focal point of the eyeglass lens needs to be adjusted to the center of the user's pupil. This can be corrected by wearing monocled glasses. ![]() In patients with refractive errors or impaired vision, light rays received by the pupil do not fall directly onto the retina. ![]()
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