
   Ŀ
                                                                       
                X   7           This is the Floyd and Steinberg [4]    
            3   5   1           error diffusion filter.                
                                 = 16                                 
   Ĵ
                                                                       
                X   3           A simpler filter.                      
                3   2                                                  
                                 = 8                                  
   Ĵ
                                                                       
                X   8   4       The Burke filter.                      
        2   4   8   4   2                                              
                                 = 32                                 
   Ĵ
                                                                       
                X   7   5       The Jarvis, et al. pattern.            
        3   5   7   5   3                                              
        1   3   5   3   1                                              
                                 = 48                                 
   Ĵ
                                                                       
                X   8   4       The Stucki pattern.                    
        2   4   8   4   2                                              
        1   2   4   2   1                                              
                                 = 42                                 
   

