volume 6, issue 4, P182 2018
DOI: 10.11648/j.si.20180604.12
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Abstract: At present, the general idea of the 3D line of sight (LoS) estimation is as follows. First, the direction of the 3D line of gaze (LoG) can be reconstructed according to the visual characteristics of the eyeballs (pupil center coordinates, purkinje images coordinates, etc.). Then the transformation matrix of the direction of LoG and the direction of LoS can be calculated based on the Kappa angle between LoG and LoS. LoS can be estimated with known LoG. The transformation matrix between LoG and LoS is usually de…

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