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- W2038861024 abstract "This paper describes experiments performed to determine image quality of three x-ray imaging systems designed for stereotactic breast needle biopsy: A system developed in-house, a LoRad DSM and a Fischer MammoVision. All systems have been successfully used to perform stereotactic breast needle biopsies and preoperative needle localizations. They all successfully decrease the time for stereotactic needle biopsy procedures. The systems are being characterized with respect to image quality for a variety of mammographic x-ray screens. The sensitivity can be as high as 96 ADU/mR and as low as 28 ADU/mR, depending on the phosphor screen and the gain used. The response is linear with respect to x-ray exposure. The highest spatial resolution found was on the order of 10 lp/mm, which is the Nyquist frequency for systems with 1024 pixels at a linear field of 5 cm. The noise at zero spatial frequency was found to be mainly determined by x-ray photon noise." @default.
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- W2038861024 date "1993-09-14" @default.
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- W2038861024 title "<title>Digital x-ray cameras for real-time stereotactic breast needle biopsy</title>" @default.
- W2038861024 doi "https://doi.org/10.1117/12.154593" @default.
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