-
-
Save kernel1994/74267458c98a4eb66834bf1346a0985c to your computer and use it in GitHub Desktop.
Convert mha file format to NIfTI
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#/usr/bin/env python | |
# -*- coding: utf-8 -*- | |
""" | |
nii_to_tif | |
convert all mha files in a directory to nifti | |
Author: Jacob Reinhold (jacob.reinhold@jhu.edu) | |
""" | |
import argparse | |
from glob import glob | |
import os | |
import sys | |
import itk | |
def arg_parser(): | |
parser = argparse.ArgumentParser(description='convert all mha images in a directory to nifti') | |
parser.add_argument('img_dir', type=str) | |
parser.add_argument('out_dir', type=str) | |
return parser | |
def split_filename(filepath): | |
path = os.path.dirname(filepath) | |
filename = os.path.basename(filepath) | |
base, ext = os.path.splitext(filename) | |
if ext == '.gz': | |
base, ext2 = os.path.splitext(base) | |
ext = ext2 + ext | |
return path, base, ext | |
def main(): | |
try: | |
args = arg_parser().parse_args() | |
fns = glob(os.path.join(args.img_dir, '*.mha')) | |
if len(fns) == 0: | |
raise Exception(f'Could not find .mha files in {args.img_dir}') | |
for fn in fns: | |
print(f'Converting image: {fn}') | |
img = itk.imread(fn) | |
_, base, _ = split_filename(fn) | |
out_fn = os.path.join(args.out_dir, base + '.nii.gz') | |
itk.imwrite(img, out_fn) | |
print(f'Saved to: {out_fn}') | |
return 0 | |
except Exception as e: | |
print(e) | |
return 1 | |
if __name__ == "__main__": | |
sys.exit(main()) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment