Dcm2niix Versions Save

Stable release v1.0.20240202

• Consolidates incremental improvements (see closed issues for details).
• Introduces BidsGuess field to json file that aids identifying modality.

• Issue 697 improves CT gantry tilt SForm
• issue 685 JSON files include more precision
• Issue 653 detect Hyperfine
• Issue 652 detect more XA30 tags for both enhanced and classic DICOM
• Issue 648 detect MR Solutions
• Issue 645: Improve GE bval detection
• Detects compressed sensing and deep learning for Siemens, Philips and GE

• More XA30 sequence details
• Improved BEP009 PET support
• GE bias value for b-value

• Kludge for incorrect spatial coding of GE ABCD epipolar sequence.
• Better handling of Philips enhanced DICOMs with huge headers.
• Consistent conversion of Philips DWI regardless of instance numbers. For Philips R5.6 and later, volumes are sorted in acquired temporal order.
• Consistent (temporal) ordering of Philips enhanced and classic DICOMs.
• Improved heuristics for determining whether trigger time should be ignored or segmented for various Philips modalities and sequences: issues 395, 428, 499, 506, 533.
• Improved Siemens MoCo detection to reduce false alarm warnings.
• Default behavior is now to preserve original datatype (-l o): UINT16 datatype preserved. Previous behavior was to convert UINT16 to INT16 if this could be achieved losslessly (-l n). Previous method could create issues for tools like AFNI if some runs in a series were UINT16 (unsupported by AFNI so promoted to FLOAT32) and others were INT16. dcm2niix users have received warnings of this upcoming change in default behavior since Fall 2019.

• Philips uses precise intensity scaling, not real world values
• GE file naming behavior changes (%p protocol name and %d description).
• Support for Canon Enhanced DICOM.
• Siemens JSON keys no longer include dots.
• Fix regression: redundant underscores in path names.
• Philips PAR/REC improvements 460, 461, 462.
• Handle DICOM where bits allocated varies with a series.
• Reconstructed Philips Fieldmaps given _fieldmaphz post-fix.

• Improved ISO8859 to UTF8 support (e.g. Søren Müller‬).
• Handle private tags renamed by Agfa/dcm4che.
• BIDS RepetitionTimeExcitation and RepetitionTimeInversion tags.
• Extract more sequence information for GE.
• Support for new Siemens (XA20) and upcoming (XA30) DICOM.

• Improved GE Zero-Interpolation Filling, multi-band and multi-echo support.
• Warn user if vital fields purged by Matlab dicomanon
• Filenaming is more consistent.
• Improved enhanced DICOM multiframe support.
• Warn users that lossless conversion of UINT16 to INT16 will be removed in future.

• Better slice timing detection see 311 and 322.
• Ignores Philips non-image DICOM files.
• 2D slices from a 3D CT series will be merged as a single volume, even if the X-Ray exposure varies between slices. MRI scans are not influenced. To elicit the old behavior, select -m n.
• Less verbose warning, error and messages generated.

• GE images provide more BIDS tags.
• Bruker enhanced DICOM support.
• Siemens Vida XA10 support. Note that Vida DICOM data is crippled if the user exports as mosaics or anonymized/reduced.
• UIH enhanced DICOM support.
• New DICOM renaming feature.

Linux users: two compiled versions are provided: *_lnx.zip works on modern Linux distributions, the *_lnxCompat.zip is compatible with both modern and ancient Linux distributions but is unable to handle rare DICOM images compressed with JPEG-2000 or JPEG-LS

• fix issues where 6-June-2018 release could save Enhanced DICOM Philips bvec/bval with different order than .nii images.