Video: Dab tsi yog 3d reconstruction rau CT?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Duab kev tsim kho dua tshiab yog lub sij hawm piav qhia txog kev suav cov duab los ntawm cov ntaub ntawv nyoos tau txais los ntawm cov ntsuas ntsuas ntawm cov CT tshuab luam ntawv. Qhov no yog txheej txheem uas tsis tuaj yeem ua tau raws sijhawm. Reformatting los yog lwm yam peb-dimensional ( 3D ) duab manipulation ntawm cov duab cov ntaub ntawv tseem ua tau.
Ntawm no, CT reconstruction yog dab tsi?
Duab kev tsim kho dua tshiab hauv CT yog cov txheej txheem lej uas tsim cov duab tomographic los ntawm X-ray projection cov ntaub ntawv tau txais ntawm ntau lub kaum ntse ntse nyob ib puag ncig tus neeg mob. Ob pawg loj ntawm kev tsim kho dua tshiab txoj kev muaj, analytical kev tsim kho dua tshiab thiab rov ua dua kev tsim kho dua tshiab (IR).
Ib tug kuj yuav nug, dab tsi yog multiplanar reconstruction nyob rau hauv CT? Multiplanar reconstruction los yog kev kho dua tshiab yog cov txheej txheem tom qab ua tiav los tsim cov duab tshiab los ntawm pawg ntawm cov duab hauv cov dav hlau uas tsis yog cov thawj pawg. Kev siv cov hlais nyias ua kom qhov kev daws teeb meem nyob rau hauv qhov kev taw qhia scan axis, tso cai rau kev daws teeb meem siab nyob hauv txhua lub dav hlau.
Raws li txoj cai, 3d rendering nyob rau hauv radiology yog dab tsi?
Nyob rau hauv scientific visualization thiab computer graphics, ntim kev ua yog ib txheej txheej txheem siv los tso saib 2D projection ntawm a 3D discretely sampled data set, feem ntau a 3D scalar teb. Ib yam 3D Cov ntaub ntawv teeb yog ib pawg ntawm 2D daim duab uas tau txais los ntawm CT, MRI, lossis MicroCT scanner.
Dab tsi yog qhov ntim rendering hauv CT?
Volume rendering yog ib hom ntaub ntawv visualization txheej txheem uas tsim ib tug peb seem sawv cev ntawm cov ntaub ntawv. CT thiab MRI cov ntaub ntawv feem ntau pom nrog ntim rendering Ntxiv nrog rau lwm cov kev tsim kho dua tshiab thiab cov hlais. Volume rendering Cov txheej txheem kuj tuaj yeem siv rau cov ntaub ntawv tomosynthesis.
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