Patent ID: 11930157
Assignee: ACER INCORPORATED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 16:
17. The eye tracking device according to claim 11, wherein a number of the image capturing elements and the images is N, the first eye pixel coordinate and the second eye pixel coordinate on a j-th image of the images are represented as u1j and u2j, respectively, the first eye spatial coordinate and the second eye spatial coordinate are represented by X1 and X2, respectively, the optical parameters of a j-th image capturing element of the image capturing elements are represented by Cj, and the optimization condition is represented by:, min
  ⁡
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     ∑
     
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     2
    
    
     
      ∑
      
       j
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       ⁢
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       r
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where norm(X1−X2) is a distance between X1 and X2, β is a weight, D1 is the reference interpupillary distance value, and f(Xi,Cj) is the projection coordinate generated based on Xi and Cj.