Patent ID: 11944571
Assignee: CARL ZEISS MEDITEC AG
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 2:
3. The treatment apparatus as claimed in claim 1, wherein the coordinate transformation is a polynomial transformation implemented by way of the equations, x
   ′
  
  =
  
   
    ∑
    
     i
     =
     0
    
    n
   
   
    
     ∑
     
      j
      =
      0
     
     n
    
    
     
      P
      
       i
       ,
       j
      
     
     ⁢
     
      x
      i
     
     ⁢
     
      z
      j
     
    
   
  
 

and, z
   ′
  
  =
  
   
    ∑
    
     i
     =
     0
    
    n
   
   
    
     ∑
     
      j
      =
      0
     
     n
    
    
     
      Q
      
       i
       ,
       j
      
     
     ⁢
     
      x
      i
     
     ⁢
     
      z
      j
     
    
   
  
 

where x and z are the coordinates in the OCT cross-sectional image, x′ and z′ are the coordinates in the corrected OCT cross-sectional image, and Pi,j and Qi,j are coefficients.