radiology-preprocessing

Standardize structural MRI and CT volumes through reorientation, bias correction, skull stripping, registration, and intensity normalization.

13|5|Updated May 4, 2026
One-click install
npx skills add https://github.com/awslabs/hcls-agent-skills --skill radiology-preprocessing
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: radiology-preprocessing
Source: https://github.com/awslabs/hcls-agent-skills/tree/main/skills/radiology-preprocessing
Command: npx skills add https://github.com/awslabs/hcls-agent-skills --skill radiology-preprocessing

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires ants, fsl, hd-bet, and includes references (resource) components.

What problem does it solve?

This skill solves the inconsistency and complexity of manual medical imaging preprocessing by providing a deterministic, reproducible pipeline for structural MRI and CT data.

Core Features & Use Cases

  • Automated Pipeline: Executes a complete reorient, bias correction, skull stripping, registration, and normalization workflow.
  • Tool Integration: Orchestrates state-of-the-art tools including HD-BET, ANTs, and FSL for high-quality image processing.
  • Use Case: A researcher needs to prepare a batch of T1-weighted brain scans for deep learning training; this skill ensures every scan is correctly oriented, bias-corrected, and normalized to MNI space.

Quick Start

Run the radiology preprocessing pipeline on the input file named structural_scan.nii.gz to produce a skull-stripped and intensity-normalized brain volume.

Frequently Asked Questions about radiology-preprocessing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I standardize MRI preprocessing for deep learning analysis?

To standardize MRI preprocessing for deep learning, you can use an automated pipeline that performs reorientation, bias field correction, skull stripping, registration, and intensity normalization. This ensures every scan is consistently prepared and high-fidelity.

Do I need FSL and ANTs installed to run automated skull stripping and registration?

Yes, you need FSL, ANTs, and HD-BET installed and accessible in the system path. The pipeline orchestrates these software packages to execute high-quality bias correction, skull stripping, and MNI space registration.

What is the best way to batch process T1-weighted brain scans for MNI space normalization?

The best way to batch process T1-weighted brain scans is using a deterministic, reproducible pipeline. It automatically applies bias correction, skull stripping, and registration to normalize all volumes to MNI space consistently.

Can I use this pipeline for CT volumetric data or is it only for structural MRI?

You can use this pipeline for both CT volumetric data and structural MRI. It standardizes structural neuroimaging data through reorientation, bias correction, skull stripping, registration, and intensity normalization for clinical and research workflows.

Why does my medical imaging preprocessing pipeline produce inconsistent results across scans?

Manual medical imaging preprocessing often produces inconsistent results due to human variability. A deterministic, reproducible pipeline eliminates this by applying standardized reorientation, bias correction, skull stripping, and intensity normalization to every scan.

When do I need intensity normalization and skull stripping for radiology images?

You need intensity normalization and skull stripping when preparing structural MRI or CT data for segmentation or deep learning analysis. These steps ensure high-fidelity image preparation by standardizing voxel intensities and removing non-brain tissue.