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Work around NaNs in merge_dwis #968

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Merged
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Aug 7, 2025
Merged

Work around NaNs in merge_dwis #968

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3 changes: 2 additions & 1 deletion qsiprep/interfaces/dwi_merge.py
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Original file line number Diff line number Diff line change
Expand Up @@ -709,7 +709,8 @@ def harmonize_b0s(dwi_files, bvals, b0_threshold, harmonize_b0s):
corrections = b0_all_mean / np.array(b0_means)
harmonized_niis = []
for nii_img, correction in zip(dwi_niis, corrections, strict=False):
if np.isnan(b0_mean):
if np.isnan(b0_mean) or np.isnan(correction):
# XXX: No clue why b0_all_mean or b0_means could be NaNs here.
harmonized_niis.append(nii_img)
LOGGER.warning('An image has no b=0 images and cannot be harmonized')
else:
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