Busy areas, in which the CR cassettes can be simply dropped into the Computed Radiography CR reader and left there, require multi-plate readers. In single-plate readers, the reader must be empty before the next cassette is loaded because there is no buffer facility. Applied Filters. Asia 5 North America 2 Western Europe 2.
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The intrinsic resolution, noise, and signal-to-noise transfer characteristics of five commercial digital computed radiography CR systems were compared using identical experimental methods. Measurements were made at 70 and kVp with 19 mm added aluminum filtration. The presampled modulation transfer functions MTFs of the systems were measured using an edge method.
The frequency-dependent detective quantum efficiencies DQEs were computed from the MTF, NPS, exposure measurements, and computational estimates of the ideal signal-to-noise ratios. Using 70 kVp and 0. Using 70 kVp, 7. The corresponding values at kVp were The findings of the study demonstrate the pixel size, orientation, beam quality, screen, and reader dependencies of image quality in CR systems.
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Abstract The intrinsic resolution, noise, and signal-to-noise transfer characteristics of five commercial digital computed radiography CR systems were compared using identical experimental methods. Similar articles Image quality evaluation of a desktop computed radiography system. Fetterly KA, et al. Med Phys. PMID: Performance characteristics of a Kodak computed radiography system. Bradford CD, et al. Image quality in two phosphor-based flat panel digital radiographic detectors.
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