Matches in SemOpenAlex for { <https://semopenalex.org/work/W1971296690> ?p ?o ?g. }
Showing items 1 to 84 of
84
with 100 items per page.
- W1971296690 abstract "In order to satisfy the high resolution (3 to 10 cycles/mm) imaging requirements in neurovascular image-guided interventional (IGI) procedures, a micro-angiographic fluoroscope (MAF) is being developed to enable both rapid sequence angiography (15 fps) at high exposure levels (hundreds of μR/frame) as well as fluoroscopy at high frame rates (30 fps) and low exposure levels (5 to 20 μR/frame). The prototype MAF consists of a 350-μm-thick CsI(Tl) scintillator coupled by a 2:1 fiber-optical taper to an 18 mm diameter variable-gain light image intensifier with two-stage microchannel plate (MCP) viewed by a 12-bit, 1024x1024, 30 fps CCD camera with digital interface board. The optical set-up enables variation of effective pixel-size from 31 to 50 micron. The first frame lag of the MAF in fluoroscopic 30 fps mode (2:1 binning) was less than 0.8% at exposures of 5-23 μR/frame. MTF, NPS, and DQE in angiographic mode were measured for IEC standard spectrum RQA 5. At spatial frequencies of 4 and 10 cycles/mm the MTF was 14% and 1.5%, and the DQE was 12% and 1.2%, respectively, while the DQE(0) was 60%. Acquisition software was developed to acquire 15 fps angiography and 30 fps fluoroscopy for real-time dark field and flat field correction or real-time roadmapping. Images obtained with the MAF in small animal IGI procedures are demonstrated. The linearity versus x-ray intensity and MCP working range effects has been studied. We plan to expand the current 3.6 cm diameter field of view to 6 cm in the next model of the MAF." @default.
- W1971296690 created "2016-06-24" @default.
- W1971296690 creator A5014822894 @default.
- W1971296690 creator A5036868185 @default.
- W1971296690 creator A5046386414 @default.
- W1971296690 date "2005-04-20" @default.
- W1971296690 modified "2023-09-27" @default.
- W1971296690 title "A prototype micro-angiographic fluoroscope and its application in animal studies" @default.
- W1971296690 cites W1927318386 @default.
- W1971296690 cites W1968401109 @default.
- W1971296690 cites W1975487232 @default.
- W1971296690 cites W1980795958 @default.
- W1971296690 cites W2032442319 @default.
- W1971296690 cites W2050008575 @default.
- W1971296690 cites W2050849510 @default.
- W1971296690 cites W2059598640 @default.
- W1971296690 cites W2065460058 @default.
- W1971296690 cites W2131663231 @default.
- W1971296690 cites W2165408265 @default.
- W1971296690 cites W2165890355 @default.
- W1971296690 cites W3045727282 @default.
- W1971296690 doi "https://doi.org/10.1117/12.589232" @default.
- W1971296690 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/3035319" @default.
- W1971296690 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/21311727" @default.
- W1971296690 hasPublicationYear "2005" @default.
- W1971296690 type Work @default.
- W1971296690 sameAs 1971296690 @default.
- W1971296690 citedByCount "5" @default.
- W1971296690 countsByYear W19712966902012 @default.
- W1971296690 crossrefType "proceedings-article" @default.
- W1971296690 hasAuthorship W1971296690A5014822894 @default.
- W1971296690 hasAuthorship W1971296690A5036868185 @default.
- W1971296690 hasAuthorship W1971296690A5046386414 @default.
- W1971296690 hasBestOaLocation W19712966902 @default.
- W1971296690 hasConcept C115961682 @default.
- W1971296690 hasConcept C120665830 @default.
- W1971296690 hasConcept C121332964 @default.
- W1971296690 hasConcept C154945302 @default.
- W1971296690 hasConcept C17504453 @default.
- W1971296690 hasConcept C185544564 @default.
- W1971296690 hasConcept C192562407 @default.
- W1971296690 hasConcept C205372480 @default.
- W1971296690 hasConcept C2776805002 @default.
- W1971296690 hasConcept C2989005 @default.
- W1971296690 hasConcept C3261483 @default.
- W1971296690 hasConcept C41008148 @default.
- W1971296690 hasConcept C55020928 @default.
- W1971296690 hasConcept C71924100 @default.
- W1971296690 hasConcept C86169459 @default.
- W1971296690 hasConceptScore W1971296690C115961682 @default.
- W1971296690 hasConceptScore W1971296690C120665830 @default.
- W1971296690 hasConceptScore W1971296690C121332964 @default.
- W1971296690 hasConceptScore W1971296690C154945302 @default.
- W1971296690 hasConceptScore W1971296690C17504453 @default.
- W1971296690 hasConceptScore W1971296690C185544564 @default.
- W1971296690 hasConceptScore W1971296690C192562407 @default.
- W1971296690 hasConceptScore W1971296690C205372480 @default.
- W1971296690 hasConceptScore W1971296690C2776805002 @default.
- W1971296690 hasConceptScore W1971296690C2989005 @default.
- W1971296690 hasConceptScore W1971296690C3261483 @default.
- W1971296690 hasConceptScore W1971296690C41008148 @default.
- W1971296690 hasConceptScore W1971296690C55020928 @default.
- W1971296690 hasConceptScore W1971296690C71924100 @default.
- W1971296690 hasConceptScore W1971296690C86169459 @default.
- W1971296690 hasLocation W19712966901 @default.
- W1971296690 hasLocation W19712966902 @default.
- W1971296690 hasLocation W19712966903 @default.
- W1971296690 hasLocation W19712966904 @default.
- W1971296690 hasOpenAccess W1971296690 @default.
- W1971296690 hasPrimaryLocation W19712966901 @default.
- W1971296690 hasRelatedWork W1984541712 @default.
- W1971296690 hasRelatedWork W2002822113 @default.
- W1971296690 hasRelatedWork W2018729324 @default.
- W1971296690 hasRelatedWork W2050964354 @default.
- W1971296690 hasRelatedWork W2052031909 @default.
- W1971296690 hasRelatedWork W2072790863 @default.
- W1971296690 hasRelatedWork W2105105414 @default.
- W1971296690 hasRelatedWork W2110873128 @default.
- W1971296690 hasRelatedWork W2111036114 @default.
- W1971296690 hasRelatedWork W2165890355 @default.
- W1971296690 isParatext "false" @default.
- W1971296690 isRetracted "false" @default.
- W1971296690 magId "1971296690" @default.
- W1971296690 workType "article" @default.