Lub hauv paus ntsiab lus ntawm peb-dimensional (3D) ultrasound imaging mas muaj xws li peb-dimensional geometric muaj pes tsawg leeg txoj kev, kev ua tau zoo contour extraction txoj kev thiab voxel qauv qauv.Cov kauj ruam yooj yim ntawm 3D ultrasonic imaging yog siv ob-dimensional ultrasonic imaging sojntsuam los sau ib tug series ntawm 2D dluab nyob rau hauv ib tug tej yam spatial sequence thiab khaws cia rau hauv lub 3D reconstruction workstation.Lub computer ua haujlwm spatial positioning ntawm 2D dluab sau raws li ib txoj cai thiab sib piv cov duab.Duab qhov sib txawv ntawm cov seem uas nyob ib sab 2/12 Cov ntsiab lus tau ntxiv thiab smoothed los ua 3D database, uas yog tom qab ua tiav ntawm daim duab, thiab tom qab ntawd thaj tsam ntawm kev txaus siab yog delineated, 3D reconstruction yog ua los ntawm lub computer, thiab lub reconstructed 3D duab yog tso tawm nyob rau hauv lub computer screen.3D ultrasound imaging technology muaj xws li cov ntaub ntawv tau, peb-dimensional duab reconstruction thiab peb-dimensional duab zaub.Baum thiab Greewood thawj zaug tau npaj lub tswv yim ntawm 3D ultrasound hauv xyoo 1961, tab sis txoj kev loj hlob kuj qeeb hauv 30 xyoo tom ntej.Hauv kaum xyoo dhau los, nrog kev txhim kho txuas ntxiv ntawm kev siv tshuab computer thiab kev siv thev naus laus zis thev naus laus zis, 3D ultrasound imaging thev naus laus zis tau txav los ntawm kev tshawb fawb theem mus rau theem kev kho mob [2], uas tuaj yeem muab faib ua (1) zoo li qub 3D: sau. ib tus lej ntawm 2D duab thiab tom qab ntawd ua 3D pawg duab, thiab tom qab ntawd ua ntau yam 3D qhia, uas tau muab faib ua 3D organ parenchyma thiab 3D cov hlab ntsha ntws.(2) Dynamic
3D: Siv ntau cov duab 2D hauv qhov chaw sib txawv ntawm lub sijhawm sib txawv thiab cov tswv yim thiab khaws cia.Tom qab ntawd siv ECG los koom ua ke lub sijhawm taw tes, thiab muab cov duab qub uas tau txais ntawm lub sijhawm sib txawv rau hauv daim duab 3D.Cov duab yuav raug sib sau ua ke raws li ECG lub sij hawm series thiab tom qab ntawd rov ua si.Tam sim no, nws yog dav siv nyob rau hauv ntau yam systems thiab qhov chaw xws li lub plawv, obstetrics thiab gynecology, me me hauv nruab nrog cev, hlab ntsha, thiab urogenital system [3].Piv nrog rau 2D ultrasound, 3D ultrasound tuaj yeem tso saib peb-dimensional anatomical shape thiab spatial kev sib raug zoo ntawm cov ntaub so ntswg, muaj qhov zoo ntawm cov duab intuitive, thiab tuaj yeem ntsuas qhov ntsuas kev kho mob tsis zoo.
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Post lub sij hawm: Oct-27-2023