maesmiimageregpdf-maes_mi_image_reg.pdf

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maesmiimageregpdf-maes_mi_image_reg.pdf maes_mi_image_reg.pdf
Unregistered Registered 2 C intensit I(CT,MR) 0.46 I(CT, MR) P4(a) PB HAB(A, B) pAla) pB(b) H(AB H(BA) PB(b H(4)H(B) R I(1,B) I(4,B) S∈ pA(a,pBb paB(a, b) T R I(4,B F R R(Pn-CB)=Rn(hn)·Ry(y)·R2( VF.PE-Ce)+t(t, ty, t, Vr V F R R R=R2·B·R pE, a(),pR, c(v), PFR, a(, 7) arg minn; dlaS, ni) ha(f, r) r(us=r(n ha( f(s),r(Tas))+- PFR, a(f, r) ha(∫,) pFn()=∑pF2(,) TRI: na()=∑pF(, ∫(8)"(Ts)) r2 2 1 )=∑rn(,kgnB (f)p:a() PV vi: he(f(s); 7(ni) T主 max f F R ha(∫ ((s, 7(T,s)) R nF XnR F=R=25 To R (Tas R ,a() (,1 R f( F R Set Image 12e Voxels(mm) range AMR|2562×1800.982×1.00 0×4094 CT2562×1000.942×1.55 0×4093 BMR20×451.252×40038×2940 CT1922×391.252×4.00 0×2713 CMR2562×241.252×4.002×20 C|5122 0.652×4.00 0×2960 PET1282×152592×8.00 0×683 DMR2562×301.332×4.00 2×3359 Set F/R L RoLaliu (degrees) T anslation(mm) Difference(7rn A Reference259.62-3.132.07.01.14 OI/MR.NN10.233.23 8.240.09(0.18)0.40(0.79 TRI10.24312080971.0518.221008(0.16)0.40(072063(0.80) IⅤ|10.36-3.172 096.94 18.20 8(0.17)0.18(0.76)0.76(0.89) MIR/O NN10.243.172.096.951.018.180.08(0.16)0 10.243.152.076.9210018230.08(0.15)041(0.76)064(0.80) PⅤ10.39-3.142.096.901,1518.180.10(0.18)0.510(0.70.79(0.94 B Reference259.623.132.017.001.418 CTMR,NN10.023.422.256630.3418.280.40(0.83)0.80(1.45)0.43(0.8 TRI10.273.112.05|6530.5418.310.48(0.541)0.61(1.2)0.67(0.99 PV|10.57-3.172.11 0.6218.360.40(0.53)0.68(1.17)0.97(1.32 54(0.84)0.84(1.7)0.57(1.03 T10.033.052.226.44 56(0.81)0.7Y(L.3)0.42(0.614) 0.52(061)0.81(1.48)0.69(0.98 C Reference 101[-0.63 0.05 4. 26.15 ' T/MR 0,87 7040.679.920.54(0.7 213(1.80) TRI1.21 943.6729.5139.784361 0.00 26.57407-10001041(077049(100 IR/CT NN-0.210004.9526.56-41.27-12.01‖0.41(0.76)0.35(0.71 TII-0.510.255032635-4080-1.840.42(0.75)0.43(0.79).5100:95) V|-1580.1319726.4813912.181035(0.73)0.56(1.18)1:3(1.57) C Reference -2,60 4,4G T/MR. NN.70 182(3.66)1.7(3.9)1) TRI0.31.015.252 29137‖17(2.31)162(331)3.22(6.46) 01849582:650464:941.09(83)214(332)1.97(2,46) MR/P网TNN0.120.1 5.0427.9 7(2.16)1.47(300)2.00(4.03) TR0.60.114902799-160-42709(1.90)1.27(2.59)2.05(3.6 PV1.460.3447127940.85 4490.72(14)1.74(249)1.19(1.37) fr=fy=1, 2 4fz=1,2,3,4 f=fm×fy×fE CI i MRregistraticn using MI MR/ CT registrati n using MI C.05 P 0. 881 + ROi Slices Rotation(degrees)Translation(mn) Difference(rim) y LX 0 3172.096941.1518.20 Bottom01910.14-2912.036671.3019.460.28(051)0.21(0.46)1.26(1.78) 749.46 32.136.670.711775 13(0.79)0.62(1 Tp50999.74-3.052.436.860.8217.910.35(0.52)0.52(113)0.9(1.46) k=0.004 k=0.00075 (C'c, yc 下(k 0001,0.002.0,004;xn=c=100) k(x-xc)2+(y-3)2) △y=△a 0 △(x,y)=|2k(x-)(+△m,y+△y) (k=0.000,0.0,0.0075) log I'(a, y)=logI(r, y)+AlogI( △logI(x,v)=-k(x +(y -yc) 35 ntensity inhemogeney Gocmotri distortion 3= s=50x 810 086 tx, ty( 中x,oy, hla b) n=∑ h(a, b pla, 6) p(a,b=h(a,b/v ∑p1ab a b H log(Ti in-1In()=-∑;p;logn Hn2(p)≤Hn1() H(a,b) p(4,B)=H(42B)-I(4,B) ECC(A, B) 2I(A,B)/(H(4)+H(B) H(a b B b 4

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