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neuroim2 0.8.5

• Windows build fix: added Makevars.win to correctly link TBB libraries from RcppParallel without the non-existent -lRcppParallel flag.
• PDF manual fix: replaced Unicode characters (Greek letters, special symbols) in roxygen documentation with ASCII equivalents to resolve LaTeX errors during PDF generation.

neuroim2 0.8.4

• I/O reliability: enforce full-length binary reads (detects truncated images) and ensure gz connections are cleaned up on error.
• Data correctness: apply per-volume slope+intercept scaling consistently across NeuroVol/NeuroVec/SparseNeuroVec loaders (treat NIfTI slope==0 as identity).
• Performance: SparseNeuroVecSource no longer materializes full 4D arrays; reads masked voxels via mmap for uncompressed files or streams volumes sequentially for gz files.
• Docs: fix missing Rd entries/aliases for several exported functions and S4 methods; remove vignette dependency on albersdown.

neuroim2 0.8.3

• Arithmetic/comparison fixes: SparseNeuroVec now unions masks and keeps outputs sparse; sparse–sparse NeuroVol arithmetic returns SparseNeuroVol; numeric vs SparseNeuroVol comparison no longer errors.
• 4D bilateral filter now measures intensity variance across all timepoints in the mask and skips non-finite neighbours, eliminating spurious NaNs on constant or noisy inputs.
• Added regression tests covering the zero-window identity and constant-volume stability for the parallel 4D bilateral filter backend.
• New meta_info() helper returns a normalized list of basic header metadata from a filename or FileMetaInfo (dim, spacing, origin, trans, path, etc.), making 3D/4D image introspection simpler for new users.

neuroim2 0.8.2

• README refreshed: CRAN/R-universe install, CI/coverage badges, website & cheatsheet links.
• Docs: spherical_roi() now cross-links to spherical_roi_set(); ROI vignette shows multi-ROI creation.
• SparseNeuroVec:
  • New validity checks to catch data/mask/space shape mismatches (#5).
  • Robust as.matrix.SparseNeuroVec() implementation (#2).
• New resample_to() wrapper for readable interpolation names; delegates to existing resample() methods.

neuroim2 0.8.1

• Initial CRAN submission.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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