Patent ID: 11887549
Assignee: LX SEMICON CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 2:
3. The color gamut mapping method of claim 1, wherein the overall controller interpolates the set value of the luminance gain using a function below,, Ygain
    out
  
  =
  
    128
    +
    
      
        input
        x
      
      ×
      
        
          Yset
          -
          128
        
        256
      
    
  

in the above function, inputx denotes a maximum value max{abs(R−G), abs(R−B), abs(G−B)} among grayscale differences between the first three-color signals (R, G, and B),
Yset denotes the set value of the luminance gain, and
Ygainout denotes the interpolated luminance gain.