Patent ID: 11875487
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 4:
5. The high dynamic range image processing method according to claim 4, wherein the maximum reference value MAX is determined according to the following formula:, MAX
   =
   
    
     B
     ×
     maximum_maxrgb
    
      
    +
    
     A
     ×
     
      (
      
       2
       ×
       average_maxrgb
      
      )
     
    
    +
    
     
      (
      
       1
       -
       A
       -
       B
      
      )
     
     ×
     variance_maxrgb
    
   
  
  
   ,, wherein, A
   =
   
    
     (
     
      1
      -
      B
     
     )
    
    ×
    
     (
     
      1
      -
      
       F
       ⁡
       (
       
        average_maxrgb
        maximum_maxrgb
       
       )
      
     
     )
    
   
  
  ,, maximum_maxrgb represents the largest value in the maximum RGB component values of the plurality of pixels, average_maxrgb represents the average value of the maximum RGB component values of the plurality of pixels, variance_maxrgb represents the luminance variance range, F( ) represents a preset function, and B is a preset value.