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3102/3/21
1 azerruoP .R.H
:
AZERRUOP .R.H
2222
3102/3/21
2 azerruoP .R.H
::::
evitcejbus )
(
: evitcejbo
AZERRUOP .R.H
3333
% #"
(gnision-ed) : :
)y,x( )y,x(h )y,x( +)y,x(f*)y,x(h=)y,x(g
)y,x(f )y,x(g * h )y,x(f
)v,u(N+)v,u(F)v,u(H=)v,u(G:
)y,x( +)y,x(f=)y,x(g)y,x(f*)y,x(h=)y,x(g
)y,x(+)y,x(f*)y,x(h=)y,x(g
AZERRUOP .R.H
4444
3102/3/21
3 azerruoP .R.H
% #"
AZERRUOP .R.H
5555
*)( '&:
( H) eslupmi h
.
.
( ) ( ). ( )
AZERRUOP .R.H
6666
0 (,)(,)(,)(,)1
0
1
0axystsxtyNxy
N
t
M
s
==
=
=
3102/3/21
4 azerruoP .R.H
'& ,+*)( '& 2
. ])+(,)-([ z % 07. ])2+(,)2-([ z % 59
AZERRUOP .R.H
7777
()/2 22
2 ()1
pi
=pzez
'& ,+*)( '&
AZERRUOP .R.H
8888
3102/3/21
5 azerruoP .R.H
)hgielyaR('& - *)( '&
:
b a
AZERRUOP .R.H
9999
2
. 2L < 2
2L > 2
AZERRUOP .R.H
23232323
2 (,)(,)[(,)]2
LL
= fxygxygxym
2si ot tes eb 12
L
3102/3/21
71 azerruoP .R.H
`^_O=N Yg \ [Z YXW '&
AZERRUOP .R.H
33333333
`^_O=N Yg \ [Z YXW '&
yxS : nimZyxS : xamZyxS : demZ)y,x( : yxZ
yxS : xamS
AZERRUOP .R.H
43434343
3102/3/21
81 azerruoP .R.H
`^_O=N Yg \ [Z YXW '&
: nimZ demZ =1A xamZ demZ =2A () ,0 < 2A 0 > 1A
xamS = 1B
demZ=
AZERRUOP .R.H
53535353
demZ .
demZ .
`^_O=N Yg \ [Z YXW '&
AZERRUOP .R.H
63636363
3102/3/21
91 azerruoP .R.H
*)( '& KJC \ [Z YXW '& hcton) ( ssapdnab) (tcejerdnab)
( retlif
.
.
AZERRUOP .R.H
73737373
*)( '& KJC \ [Z YXW '&
AZERRUOP .R.H
83838383
+=
esiwrehto
fiDWDuvDWHuv
12
(,)2
00 (,)0
12/3/2013
H.R. Pourreza 20
&' WXY Z[ \ CJK &' ()*
H.R. POURREZA
39393939
n
DvuDWvuD
vuH 2
20
2 ),(),(1
1),(
+
=
n =1
&' WXY Z[ \ CJK &' ()*
H.R. POURREZA
40404040
=WvuDDvuD
evuH ),(),( 202
1),(
12/3/2013
H.R. Pourreza 21
&' WXY Z[ \ CJK &' ()*
H.R. POURREZA
41414141
&' WXY Z[ \ CJK &' ()* :
H.R. POURREZA
42424242
),(1),( vuHvuH brbp =
3102/3/21
22 azerruoP .R.H
*)( '& KJC \ [Z YXW '& : hctoN
. .
AZERRUOP .R.H
34343434
*)( '& KJC \ [Z YXW '& hctoN
AZERRUOP .R.H
44444444
12/3/2013
H.R. Pourreza 23
&' WXY Z[ \ CJK &' ()* Notch
H.R. POURREZA
45454545
n=2
&' WXY Z[ \ CJK &' ()* Notch
H.R. POURREZA
46464646
3102/3/21
42 azerruoP .R.H
*)( '& KJC \ [Z YXW '& PN RN : hctoN
AZERRUOP .R.H
74747474
= pnrn HuvHuv (,)1(,)
*)( '& KJC \ [Z YXW '& : hctoN
AZERRUOP .R.H
84848484
PN
PN
RN
3102/3/21
52 azerruoP .R.H
*)( '& KJC \ [Z YXW '& hctoN
AZERRUOP .R.H
94949494
*)( '& KJC \ [Z YXW '& : hctoN
.
AZERRUOP .R.H
05050505
= fxygxyxy (,)(,)(,)
= fxygxyxy (,)(,)(,)= xyTFIHuvGuv (,)(,)(,)} {
3102/3/21
62 azerruoP .R.H
*)( '& KJC \ [Z YXW '& : hctoN
:
)y,x( )1+b2( )1+a2(
. )y,x(
AZERRUOP .R.H
15151515
= fxygxywxyxy (,)(,)(,)(,)
= =
++++
=
a
sa
b
tbfxsytfxy
abxy
2(21()21)(,)(,) 2
(,)1
= =
++++
=
a
sa
b
tbfxsyt
ab(21()21)(,) fxy
(,)1
*)( '& KJC \ [Z YXW '& : hctoN
:
AZERRUOP .R.H
25252525
(,)(,) ++= wxsytwxyrofasadnabtb
2
2
[(,)(,)(,}](,)(,])
(21()21)[{(,)(,)1
gxywxyxy
wxsytxsyt
gxsytab
xya
sa
b
tb
++++
++++
== =
= wxyxywxyxy (,)(,)(,)(,)
12/3/2013
H.R. Pourreza 27
&' WXY Z[ \ CJK &' ()* Notch ...
2(x,y)
H.R. POURREZA
53535353
2
2
)},(),(),([)],(),(
),({[)12)(12(1),(
yxyxwyxg
tysxtysxw
tysxgba
yx aas
b
bt
++++
++++
= =
=
0),(),(2
=
yxwyx
),(),(),(),(),(),(),(
22 yxyxyxyxgyxyxgyxw
=
&' WXY Z[ \ CJK &' ()* Notch ...
H.R. POURREZA
54545454
),(),(),(),( yxyxwyxgyxf =),( yxw),( yx),( yxg
12/3/2013
H.R. Pourreza 28
&' WXY Z[ \ CJK &' ()* Notch ...
H.R. POURREZA
55555555
&' WXY Z[ \ CJK &' ()* Notch ...
H.R. POURREZA
56565656
3102/3/21
92 azerruoP .R.H
*)( '& KJC \ [Z YXW '& ... hctoN
AZERRUOP .R.H
75757575
fxy (,) gxy (,)215x215:
51=b=a
\ i [Z '&
: : Hb a
: H
AZERRUOP .R.H
85858585
=+ gxyHfxyxy (,)[(,])(,)
+=+ HafxybfxyaHfxybHfxy 1212 [(,)(,])[(,])[(,])
gxyHfxyHfxygxy == (,)[(,])[(,])(,)
3102/3/21
03 azerruoP .R.H
\ i [Z '& ...
. noitulovnoced
AZERRUOP .R.H
95959595
+
+
gxyfhxyddxy (,)(,)(,)(,) =+
(,)(,)(,)(,)(,)(,)*(,)(,)
GuvHuvFuvNuvgxyhxyfxyxy
=+
=+
VUTSR % #" - \ i [Z '&
AZERRUOP .R.H
06060606
3102/3/21
13 azerruoP .R.H
VUTSR % #" - \ i [Z '&
( )
.
AZERRUOP .R.H
16161616
AGuv
= (,)(,) Huv
VUTSR % #" - \ i [Z '&
. )y,x(sg
. )v,u(H
AZERRUOP .R.H
26262626
sfxy (,)
(,)(,)(,)
FuvGuv
Huvs
s= s
3102/3/21
23 azerruoP .R.H
VUTSR % #" - \ i [Z '&
AZERRUOP .R.H
36363636
=+ Huvekuv (,)() 225/6
: 100.0=k
: 5200.0=k
: 52000.0=k
VUTSR % #" - \ i [Z '&
)sneL nihT( P P
AZERRUOP .R.H
46464646
snel nihT
sucof thgiR sucof tfeL
d retemaid sneLf htgnel lacoF
3102/3/21
33 azerruoP .R.H
VUTSR % #" - \ i [Z '&
)sneL nihT( :
AZERRUOP .R.H
56565656
fuv111
=+
v u
VUTSR % #" - \ i [Z '&
)y,x(h . )y,x(h . )v,u(H
AZERRUOP .R.H
66666666
12/3/2013
H.R. Pourreza 34
&' Z[ i \ - "# % RSTUV
H.R. POURREZA
67676767
=T
dttyytxxfyxg0
00 )](),([),(
uaj
TTuat
euaua
T
dtevuH
pi
pi
pipi
=
=
)sin(
),(0
/2== 0)(/)( 00 tyandTattxif
dtevuFvuGT
tvytuxj
+=
0
)]()([2 00),(),( pi
dtevuHT
tvytuxj
+=
0
)]()([2 00),( pi
&' Z[ i \ - "# % RSTUV
H.R. POURREZA
68686868
)()](sin[)(),(vbuajevbua
vbuaT
vuH +++
=pipi
pi
== TbttyandTattxif /)(/)( 00
3102/3/21
53 azerruoP .R.H
`^_O= lk - \ i [Z '&
AZERRUOP .R.H
96969696
(,)(,)(,)
HuvGuv
= Fuv
(,)(,)(,)(,)
HuvNuv
=+ FuvFuv
F H/N .
.
`^_O= lk - \ i [Z '&
AZERRUOP .R.H
07070707
04
07
58
3102/3/21
63 azerruoP .R.H
(`^_O= sr=)`^_O= qp feol nm - \ i [Z '& .
AZERRUOP .R.H
17171717
= eEff 22 ([)]
esion dna egamI modnar erassecorp
. 2e f
(`^_O= sr=)`^_O= qp feol nm - \ i [Z '&
AZERRUOP .R.H
27272727
(,)(,)(,)/(,)
(,)(,)
1
(,)(,)(,)/(,)
(,)
(,)(,)(,)(,)
(,)(,)(,)
2
2
2
*
2
*
GuvHuvSuvSuv
HuvHuv
GuvHuvSuvSuv
Huv
GuvSuvHuvSuv
HuvSuvFuv
f
f
f
f
+=
+=
+=
= SuvNuv (,)(,)2= f SuvFuv (,)(,)2
.
12/3/2013
H.R. Pourreza 37
&' Z[ i \ - mn loef pq =O_^`)=rs =O_^`(
H.R. POURREZA
73737373
),(),(/),(),(
),(),(
1),( 22
vuGvuSvuSvuH
vuHvuH
vuFf
+=
),(),(
),(),(
1),( 22
vuGKvuH
vuHvuH
vuF
+=
&' Z[ i \ - mn loef pq =O_^`)=rs =O_^`(
H.R. POURREZA
74747474
k
12/3/2013
H.R. Pourreza 38
&' Z[ i \ - mn loef pq =O_^`)=rs =O_^`(
H.R. POURREZA
75757575
&' Z[ i \ - 8tuvw :
H.R. POURREZA
76767676
=
=
=
=
= 1
0
1
0
2
1
0
1
0
2
),(
),(M
u
N
v
M
u
N
v
vuN
vuFSNR
[ ]=
=
=
1
0
1
0
2),(),(1M
u
N
v
yxfyxfMN
MSE
[ ]
=
=
=
=
= 1
0
1
0
2
1
0
1
0
2
),(),(
),(M
u
N
v
M
u
N
v
yxfyxf
yxfSNR
3102/3/21
93 azerruoP .R.H
AZERRUOP .R.H
77777777
noitcejorp-kcaB
AZERRUOP .R.H
87878787
2 1
23 4 3
3102/3/21
04 azerruoP .R.H
AZERRUOP .R.H
97979797
2 1
46 23 4
)TC(
AZERRUOP .R.H
08080808
3102/3/21
14 azerruoP .R.H
dyx - ),(
AZERRUOP .R.H
18181818
xy socnis +=
dyx -
.
AZERRUOP .R.H
28282828
(,)(,)(socnis) jkkkj gfxyxyydxd =+socnis += xy kkj
(,)(,)(socnis) gfxyxyydxd =+
fxy (,)} {
12/3/2013
H.R. Pourreza 42
- xyd
H.R. POURREZA
83838383
=
=
+=1
0
1
0)sincos(),(),(
M
x
N
y
yxyxfg
- xyd :
H.R. POURREZA
84848484
+
=
OtherwiseryxA
yxf0
),(222
=
=
dyyf
dxdyxyxfg
),(
)(),()0,(
o
3102/3/21
34 azerruoP .R.H
dyx - ... :
),(g r>|| r
12/3/2013
H.R. Pourreza 44
- xyd (Back-projection)
H.R. POURREZA
87878787
- xyd Fourier-slice
H.R. POURREZA
88888888
= pi degG j2),(),(
dydxeyxf
dydxdeyxyxf
ddydxeyxyxfG
yxj
j
j
+
=
+=
+=
)sincos(2
2
2
),(
)sincos(),(
)sincos(),(),(
pi
pi
pi
3102/3/21
54 azerruoP .R.H
dyx - ecils-reiruoF
nis =v soc =u
:
)ecilS( :
AZERRUOP .R.H
98989898
pisoc,nis
(,)(,)2()==
+
=
uv
Gfxyexdyd jxuyv
] [(soc,nis)
soc,nis (,)(,)
F
GFuvuv
=
===
dyx - ecils-reiruoF
)ecilS( :
)v,u(F
AZERRUOP .R.H
09090909
3102/3/21
64 azerruoP .R.H
dyx - (: )
( ) ( ) ||
AZERRUOP .R.H
19191919
pifxyGedd pi
xy
j
0socnis
(,)(,)2=+
=
dyx - ...(: )
AZERRUOP .R.H
29292929
3102/3/21
74 azerruoP .R.H
dyx - : ...
AZERRUOP .R.H
39393939