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Need means for specifying bzero threshold externally #141

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tashrifbillah opened this issue Apr 26, 2021 · 1 comment
Open

Need means for specifying bzero threshold externally #141

tashrifbillah opened this issue Apr 26, 2021 · 1 comment

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@tashrifbillah
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The bzero threshold needs to be specified externally--through command line or environment variable:

https://github.com/pnlbwh/ukftractography/blob/master/ukf/dwi_normalize.cc#L85

The latest non-covered case is Shael Brown's data with bvalues:

array([  65.,  985., 1980.,  990., 2025., 1010., 1985., 1005., 2025.,
        975.,   60., 2000.,  990., 1990., 1010., 1975., 1015., 2020.,
        990., 2010.,   55.,  995., 2010.,  995., 2005.,  980., 1970.,
       1015., 1990.,  995.,   65., 2015.,  985., 2015., 1015., 2015.,
        985., 1965.,  985., 2005.,   60., 1010., 1995., 1015., 1980.,
        995., 2020., 1000., 2010.,  980.,   55., 2025., 1000., 2000.,
       1020., 1995.,  990., 1985.,  985., 2015.,   60.,  995., 2020.,
       1015., 1970., 1005., 1990., 1020., 2015., 1000.,   65., 2015.,
       1010., 2020., 1005., 2025.,  980., 1990.,  985., 2000.,   65.,
       1000., 2010.,  985., 1975., 1010., 1970.,  985., 1995.,  990.,
         60., 1990.,  975., 1965., 1005., 1995.,  995., 2015., 1010.,
       1985.,   65., 1015., 2015.,  995., 1975., 1005., 2005.,  985.,
       1995.,  980.,   60., 1970.,  980., 2020., 1005., 1985., 1005.,
       1995.,  980., 1985.,   65., 1005., 1970., 1005., 2010., 1020.,
       1985., 1005., 1985., 1010.,   65., 1970.,  980., 2010.,  985.,
       1975., 1000., 2010., 1000., 1985.,   60.,  985., 2020.])

65, 60, 55 are bzeros but are regarded as non-bzeros.

@tashrifbillah
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Related issue #136

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