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- W4313210310 abstract "A polycapillary X-ray lens with square channels is a type of new X-ray optical device that is suitable for both X-ray focusing and imaging. Similar to micropore optics (MPO), the square matrix array of this lens contributes to the good correspondence between each individual channel and each pixel of a position-sensitive detector. The tiny difference in the curvature of each channel makes the point-spread function of this lens spatially variant. To realize image restoration of the raw data viewed through this lens, a Slice method called the Lucy-Richardson overlap-save method using total variation (LROS-TV) was used. In this work, a series of simulations were conducted to investigate at what flux and contrast levels the image features of an object can be resolved. A simple coaxial imaging experiment was also conducted to verify the LROS-TV method by changing the current of the X-ray tube from 300 to 600μA. In this paper, it was found that the slice method is suitable for image restoration of an object viewed through a polycapillary X-ray lens with square channels." @default.
- W4313210310 created "2023-01-06" @default.
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- W4313210310 date "2022-12-13" @default.
- W4313210310 modified "2023-10-03" @default.
- W4313210310 title "Image Restoration of an Object Viewed Through a Polycapillary X-Ray Lens with Square Channels Using the Concept of a Space-Variant Point-Spread Function" @default.
- W4313210310 doi "https://doi.org/10.3233/faia220577" @default.
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