Patent ID: 11935492
Assignee: DOLBY LABORATORIES LICENSING CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. The method of claim 4, wherein given a color component (RGB) of the input to the EOTF image, generating a color component (RGB′) of an EOTF output comprises computing:, RGB
   ′
  
  =
  
   
    
     R
     ⁢
     G
     ⁢
     B
    
    
     
      T
      ⁢
      max
     
     -
     
      T
      ⁢
      min
     
    
   
   
    1
    /
    γ, if there is no global backlight dimming adjustment on the target display, and computing, RGB
   ′
  
  =
  
   
    
     
      R
      ⁢
      G
      ⁢
      B
     
     
      
       T
       
        max
        
         Adj
         ⁢
         1
        
       
      
      -
      
       T
        
       
        min
        Adj
       
      
     
    
    
     1
     /
     γ
    
   
   ., if there is global backlight dimming adjustment on the target display, wherein γ denotes the gamma or power factor, Tmin denotes the minimum display luminance value, Tmax denotes the maximum display luminance value, TmaxAdj1 denotes the first adjusted luminance value, and TminAdj denotes the adjusted minimum luminance value due to the global backlight dimming adjustment.