ì œ6장+디지털+이ë¯&

ì œ6장+디지털+이ë¯&

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Unformatted text preview: 6 6 Digital Digital Image Image D i g D i g Opt i c a l i ma ge pr oc e s s i ng Ana l og i ma ge pr oc e s s i ng Vi de o c a me r a , t e l e vi s i on Di gi t a l i ma ge pr oc e s s i ng Comput e r pr oc e s s or . . Vi de o c ame r a Di gi t i z e r El e c t r i c a l Si gna l Di gi t a l Si gna l D i g D i g ( Sa mpl i ng) ( Qua nt i z a t i on) ( Codi ng) D i g (Sampling) (Sampling) 2 ( s c a n) X Y ( pi xe l : pi c t ur e e l e me nt ) : 2 ( r e s ol ut i on) DPI : Dot s Pe r I nc h D i g Ba s e / 16 128X192 Ba s e / 4 256X384 Ba s e 512X768 Ba s e X4 1024X1536 Ba s e X16 2048X3072 D i g D i g D i g (Quantization) (Quantization) : ( ) : R, G, B, 3 . 1 Bi t ( 2 1 = 2, ) Fa x 8 Bi t ( 2 8 = 256 gr a y s c a l e ) 256 24 Bi t ( 2 24 = t r ue c ol or ) R, G, B 8 D i g ? ? D i g D i g 8bi t 4bi t 2bi t 1bi t D i g 300DPI 512X768 512 768 1 bit = 49,152 Byte Gr a y s c a l e 512 768 8 bit = 393,216 Byte Tr ue c ol or 512 768 24 bit = 1,179,648 Byte D i g CD- ROM c ol or i ma ge ? ?...
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ì œ6장+디지털+이ë¯&

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