Patent ID: 11968387
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The method of claim 1, wherein T is 0;
correspondingly, the sign function is, Sign
    ⁢
    
      
    
    ⁢
    
      (
      x
      )
    
  
  =
  
    {
    
      
        
          
            1
            ;
          
        
        
          
            x
            >
            0
          
        
      
      
        
          
            0
            ;
          
        
        
          
            x
            ==
            0
          
        
      
      
        
          
            
              -
              1
            
            ;
          
        
        
          
            x
            <
            0