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- W631355986 abstract "Among many factors influencing the image quality of the Digital Subtraction Angiography (DSA) image, the artifact due to the mechanical misregistration by mask image and live image was examined. Misregistration, as this is well known by the patient's motion artifact, is used here as the meaning of the spatial shift between the mask image and the live image. In DSA study, mild shift as small as one tenth of a pixel produces an artifact. According to our examinations, the quality of the DSA image is largely fluctuation of power voltage and electrostatical transfer phenomenon in I.I. image. Especially, this phenomenon is recognized about 20 seconds after the start of the X-ray exposure. We must consider the recording time of interval between the mask image and the live image. We hope this paper is contributory to the improvement of I.I. for DSA." @default.
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- W631355986 date "1985-01-01" @default.
- W631355986 modified "2023-09-26" @default.
- W631355986 title "MECHANICAL ARTIFACT FOR DIGITAL SUBTRACTION ANGIOGRAPHY (DSA)(I. Clinical Use of Digital Subtraction Angiography)" @default.
- W631355986 doi "https://doi.org/10.6009/jjrt.kj00001372045" @default.
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