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Article overview
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B-spline parameterization of spatial response in a monolithic scintillation camera | | V. Solovov
; A. Morozov
; V.Chepel
; V. Domingos
; R. Martins
; | | Date: |
3 Feb 2016 | | Abstract: | A framework for parameterization of the light response functions (LRFs) in a
scintillation camera was developed. It is based on approximation of the
measured or simulated photosensor response with weighted sums of uniform cubic
B-splines or their tensor products. The LRFs represented in this way are
smooth, computationally inexpensive to evaluate and require much less memory
than non-parametric alternatives. The parameters are found in a straightforward
way by the linear least squares method. The use of linear fit makes the fitting
process stable and predictable enough to be used in non-supervised mode.
Several techniques that allow to reduce the storage and processing power
requirements were developed. A software library for fitting simulated and
measured light response with spline functions was developed and integrated into
an open source software package ANTS2 designed for simulation and data
processing for Anger camera-type detectors. | | Source: | arXiv, 1602.1296 | | Services: | Forum | Review | PDF | Favorites | |
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