:

DPI , LPI , SPI , PPI

DPI
Pixel: Picture element ( )

 


, 10 100 .
:


PPI


Pixel Per Inch ( ) , PPI :


•     Quality:

92 ppi : 92x92 =8462 pixels 


•     Size:
( Photo Shop) .


:

1-    
2-    

 


1-    
2-    
, (PPI) .
:


 
600 300 150 (PPI)

.


DPI


Dot Per Inch ( ) .


10 DPI 100 DPI .  


 
.
10 DPI
300 dpi 72dpi

  


1200 Dpi :
1200x1200 = 1,440,000
PPI, DPI
( DPI)
( PPI)
( )
300 Pixels 150Dots +
150 dpi 300 ppi

 

 

LPI

Lines Per Inch ( ) ,   .

 
:
Scanner , .

 
:

 


.


SPI


Samples Per Inch ( Scanner)
, Scanner .
.
SPI PPI .


 : 06/11/2011  |    : 2011-06-11 13:37:10