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Figure 3
Example of background removal for a strong protein peak. (a) Slice of the peak as viewed from the qz axis. (b) The pixels from the slice in (a) which were determined to constitute the peak are shown in yellow. Pixels deemed background are shown in purple. (c) TOF spectra created from the entire histogrammed region (blue squares) and only voxels considered to be in the peak (orange circles). The fit to the IC profile is shown in green. (d, e, f) Angular histograms in 2θ and qφaz showing the whole peak (d), the background-removed peak (e) and the fit of the background-removed peak to a bivariate Gaussian distribution (f). (g) Three-dimensional volume rendering of the recorded peak. (h) Three-dimensional volume rendering of the three-dimensional model of the peak shown in (g).

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ISSN: 2059-7983
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