Percentage change in net reflectance of each film piece from net reflectance of largest film piece analyzed using largest ROI as a function of film size for different ROI.
Variations of net reflectance with ROI for a film piece of 10 cm × 10 cm.
Variations of net reflectance with distance from the center of the scanner (left y-axis: 1.3 cGy and right y-axis:9.0 cGy).
Percentage change in net reflectance at different positions inside the scanner (position1 (left top corner), position 2 (left bottom corner), position 3 (right top corner), position 4 (right bottom corner), and position 5 (center of the scaner).
Variations of the percentage difference in net reflectance and net optical density of portrait and lanscap scanning orientations with air kerma (left y-axis:transmission mode, and right y-axis: reflection mode).
Dose calibration curve and uncertainty analysis with reflection mode. (a) Dose calibration curve and (b) uncertainty in dose calibration with 300 DPI scanning spatial resolution.
Dose calibration curve and uncertainty analysis with transmission mode. (a) Dose calibration curve and (b) uncertainty in dose calibration with 300 DPI scanning spatial resolution.
Variations of Percentage difference in net optical densities with air kerma when films scanned on alternate faces using transmission mode.
Calibration uncertainty at measurement dose of 4.32 cGy with different scanning spatial resolution.
Dose response curves of the film at 100 and 120 kVp.
Postirradiation growth of net reflectance with time (left y-axis: 1.92 cGy and right y-axis: 4.32 and 6.08 cGy).
Variation of normalized net reflectance with irradiation angle.
Article metrics loading...
Full text loading...