Page 549 - Digital Signal and Image Processing Using MATLAB
P. 549

, 2 - 
  0 -         -   	  

  -
                               
  -

                          F G        	%        
  '+     	
+ 
  
 	           	  
  -
+
                                                 -
                                                -=


                            
    
 	     C 
+

                                      C  
+ 
 6      (  ((((((((((       (( (    

 	   -    
 	C
                           	  6       *           *  *  *  *   *  *  *  *   *  *  *  *       *
                            
   	'6      *          *  *  *      *  *  *      *  *  *          *
                                                                     (
                                                                                    +
                              	       = 
+ 

 6     + 
       8


                                 
    -%    
    
  -     
 %%    
	
+   %  	  3

                                +  	   	 =
                          
 	     	    
	 	
+ 
='            
 	      
 	     +  
  	          4  ) , 5
+

                             	  ) 
+   %





                                )     	
 
+            
  
	
	  
+ %  	 
+

                          F G=
+  '       
+  	  	  +'  -  -	  
+ 
+    -   1 -
                                                          5C
                                                   4


                                  
+   
  	      
   
  

  ' 
+ O%            =    + '              +   
                                                               3

                               	  )     )  J
+  
+ 
 6     (((( 
 

	   
  ' 
+  
+  
+
                                           O =


                                                                        + 
+
                                                                        (
                                   =
                               
 6     (((O	 
+ 
 6                    =  %	 '
+   (
                                                                          -


                                                           +





                                 
  ) , J   	O 
% 
            
+ %           ) ,  
  +  -  =
                               '     *    ) J ) ,
                                  
+ 	
+    
 =  )  J   =
+ 
 6     (((( 
 

	   
  ' 
+  
+


                               O                     = (  %	 '
+    (  O          ) , J    =  	         	  (        (       (      O
                                                        -
                                                      + 
+


                                 
%           
+ %  	        ) ,  
  +  -  =   '       *    ) J ) ,
                                          +

                                                          0 0 0 0
                                                     p =−1     p =1
                                                     1          1
                                               p =−1  p =1     p =−1  p =1
                                                v    v          v     v
                                             1 0 0 1  0 0 0 −1  0 0 0 1  −1 0 0 −1
                                             p =1     p =−1   p =1      p =−1
                                              v
                                                                        v
                                                               v
                                                       v
                                             p =1     p =−1   p =1      p =−1
                                              1        1       1        1


                                 
		   M )"$@     
  6         
                     
  *



                                                                              -
                              
    
+	   ' 
+ 

+   
  
  -
 6      
     
       +

              
  %  C      	  
 	  
   	    %  
                       
    =
+
                 %
                          
	)
                                0
  
  -' 
+
+    
    	   
 	 
  ) , J?2    )  J   = %%   O
                     
 6     C   	   -
	
+

                                    (                                                        (             (             (             (                           (             (             (              (             (                           (
   544   545   546   547   548   549   550   551   552   553   554