Patent ID: 11924411
Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. The computing device of claim 5, wherein deriving the first parameter α and the second parameter β comprises:
obtaining the first parameter α and the second parameter β based on following equations:, α
     =
     
     
      
       
        y
        B
       
       -
       
        y
        A
       
      
      
       
        x
        B
       
       ⁢
          
       ⋯
       ⁢
          
       
        x
        A
       
      
     
    
   
  
  
   
    
     β
     =
     
     
      
       y
       A
      
      ‐
      α
      ⁢
      
       x
       A
      
     
    
   
  
 

wherein xA, xB, yA and yB are derived based on weighted averages of the neighboring chroma samples and their corresponding down-sampled luma samples.