Ex parte LEVIEN - Page 2




          Appeal No. 1996-3621                                                        
          Application No. 08/019,783                                                  


          the vertically skewed image is interpolated to form an                      
          interpolated vertically skewed image.  Finally, the                         
          interpolated vertically skewed image is skewed in a horizontal              
          direction by a horizontal skew to form a rotated image.                     
               Claim 1 is illustrative of the claimed invention, and it               
          reads as follows:                                                           
               1.  In a system for rotating a stored image by a given                 
          angle of rotation, a method comprising:                                     
                                                                                     
               scanning a plurality of input points of an original                    
               of said image for reading a plurality of input image                   
               pixels corresponding to said image, wherein said                       
               scanning defines a horizontal direction as the                         
               direction of said scanning forming a plurality of                      
               horizontal scan lines of input image pixels, and                       
               defines a vertical direction as substantially                          
               perpendicular to said horizontal direction;                            
               storing said plurality of input image pixels in a memory               
          to                                                                          
               form said stored image, wherein said input image                       
               pixels are stored in said memory such that adjacent                    
               pixels in a given memory location are in                               
               substantially the same order as said plurality of                      
               input image pixels along said horizontal direction;                    
               skewing said stored image in a vertical direction by                   
               a                                                                      
               vertical skew to form a vertical skewed image;                         
               interpolating said vertical skewed image to form an                    
               interpolated vertical skewed image; and                                



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