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Figure 10
An example of the process to generate bucket images. A raw experimental radiograph is shown on the left in (a) with the four mask quadrants identified using colored squares. The center of the mask region is scanned around in the orange square. At each position integrated pixel values in each quadrant are added to the respective pixels of the bucket images, {B1P, B1N, B2N, B2P}, for each quadrant on the right. Note the P and N masks individually produce bucket values that form a low-pass filtered image of the object being scanned. The positive, {B1P,B2P}, and negative, {B1N,B2N}, bucket image pairs are combined and subtracted to form the diffuse-probe scanned image shown in (b). This image is deconvolved to produce the result in Fig. 13[link](a-iii).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 32| Part 3| May 2025|
https://doi.org/10.1107/S1600577525002127
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