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FSL Header Display (fslhd)

Library: FSL | Docker Image: brainlife/fsl

Function

Displays NIfTI/ANALYZE image header information including dimensions, voxel sizes, data type, and orientation.

Modality: Any NIfTI or ANALYZE image.

Typical Use: Inspecting image metadata for quality control and debugging preprocessing issues.

Key Parameters

, -x (XML output format)

Key Points

Reports full header including sform/qform matrices, intent codes, and auxiliary info. XML output useful for programmatic parsing.

Inputs

Name Type Required Label Flag
input File Yes Input NIfTI image
xml boolean No Output in XML format -x

Accepted Input Extensions

  • input_file: .nii, .nii.gz

Outputs

Name Type Glob Pattern
header_info File fslhd_output.txt
log File fslhd.log

Output Extensions

  • header_info: .txt

Docker Tags

Available versions: latest, 6.0.4-patched2, 6.0.4-patched, 6.0.4, 6.0.4-xenial, 5.0.11, 6.0.0, 6.0.1, 5.0.9

Categories

  • Utilities > FSL > Image Info

Documentation

Official Documentation