Optimization#111

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Commits on Jun 10, 2026

perf(np_utils): hybrid np_volume (cc3d for few labels, bincount for many)

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perf(np_utils): np_bbox_binary 3D path uses 2 full passes instead of 3

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perf(np_utils): drop quadratic membership test in center_of_mass/bounding_boxes

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perf(np_utils): np_dilate_msk uses boolean (out == i) instead of copy+mask

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perf(np_utils): add np_isin LUT helper, use it for multi-label masking

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perf(nii): extract_label(keep_label=True) uses one copy + np_isin mask

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perf(nii): remove_labels uses a single np_map_labels gather

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perf(nii): map_labels skips the before/after np_unique scans when not verbose

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perf(nii): truncate_labels_beyond_reference_ builds masks via np_isin

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perf(poi): calc_centroids computes all centroids in one np_center_of_mass pass

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perf(poi): batch the global<->local affine conversions

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Commits on Jun 11, 2026