Patent ID: 11929002
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 14:
15. The method of claim 14,
wherein the target gamma value is calculated by the following formula:, T
    ⁢
    G
    ⁢
    
     V
     ⁡
     (
     γ
     )
    
   
   =
   
    
     
      log
      ⁡
      (
      
       C
       ×
       S
       ⁢
       L
       ⁢
       V
      
      )
     
     -
     
      log
      ⁡
      (
      
       F
       ⁢
       L
       ⁢
       V
      
      )
     
    
    
     
      log
      ⁡
      (
      
       S
       ⁢
       T
       ⁢
       G
      
      )
     
     -
     
      log
      ⁡
      (
      
       F
       ⁢
       T
       ⁢
       G
      
      )
     
    
   
  
  ,
 

where TGV(γ) denotes the target gamma value, FLV denotes the first luminance value, SLV denotes the second luminance value, FTG denotes the first target gray level, STG denotes the second target gray level, and C denotes a constant for reflecting the reference display area gamma value.