dcm2niix ☆

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Description:
DICOM to NIfTI converter

Type: Formula | Latest Version: 1.0.20250506@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Other

Tags: medical-imaging neuroscience data-conversion research dicom

Install: brew install dcm2niix

About:
dcm2niix is a high-performance tool designed for converting medical imaging data from the DICOM format into the NIfTI format. It efficiently handles the complexities of DICOM headers and file structures, ensuring accurate conversion of critical metadata like patient orientation and acquisition parameters. This converter is widely used in neuroimaging research for preparing scanner data for analysis in tools like FSL and SPM.

Key Features:

High-speed conversion optimized for multi-core processors
Supports a wide range of vendor-specific DICOM tags and formats
Automatic detection and handling of complex 4D fMRI and DWI datasets
Comprehensive metadata extraction embedded into NIfTI headers

Use Cases:

Preparing raw fMRI or DTI scans for statistical analysis pipelines
Converting clinical DICOM archives into a research-friendly format
Automating data processing workflows for large neuroimaging studies

Alternatives:

MRtrix – MRtrix includes conversion tools but is primarily a comprehensive diffusion MRI processing suite.
FSL (fslmaths) – FSL is a library of analysis tools but relies on external converters like dcm2niix for initial data ingestion.

License: BSD-3-Clause

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Dec 15, 2024 2:28am		0	VERSION_BUMP	f8727be3