astra-toolbox 1.9.9 breaks flextomo
Opened this issue · 2 comments
wjp commented
Probably due to output rescaling.
wjp commented
_bp_norm_ needs updating (and also _forwardprojector_norm_, _backprojector_norm_)
wjp commented
Strongly related issue: the factor 2 in the update step in l2_update is sometimes too big if the bp_weight factor is also overestimated, and can cause divergence.