Patent ID: 11887284
Assignee: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 15:
16. The system of claim 1, wherein the third image is generated using bilinear interpolation based on:, Newdata
    =
    
      
        ∑
        
          i
          =
          1
        
        m
      
      ⁢
      
        [
        
          
            
              (
              
                
                  data
                  -
                
                ⁢
                
                  2
                  i
                
                ×
                
                  gain
                  -
                
                ⁢
                a
              
              )
            
            ×
            s
            ⁢
            
              w
              -
            
            ⁢
            
              final
              -
            
            ⁢
            
              2
              p
            
          
          +
          
            
              data
              -
            
            ⁢
            
              1
              i
            
            ×
            
              sw
              -
            
            ⁢
            
              final
              -
            
            ⁢
            
              2
              p
            
          
        
        ]
      
    
  
  ,

wherein Newdata refers to pixel values of pixels in the third image; m refers to a count of the pixels in the third image, and m is an positive integer larger than 1; data_1i refers to a pixel value of a pixel i in the first image block p of the first image; data_2i refers to a pixel value of the pixel in the second image corresponding to the pixel i in the first image; gain_a refers to the exposure gain ratio; sw_final_1p refers to the first combination weight of the first image block p; sw_final_2p refers to the second combination weight of the second image block corresponding to the first image block p; and a sum of sw_final_1p and sw_final_2p is equal to the fixed value.