Exemplo n.º 1
0
def process_run(rundir, subid, logger):
	"""
	1. Find raw
	2. Split func into xfm dir
	3. Align func, create mean and 4d
	4. Bias correct anat
	5. Invxfm anat2func
	6. Generate movement files
	7. Clean up
	"""
	_, run = os.path.split(rundir)
	rawdir = os.path.join(rundir, 'raw')
	exists, mvdir, xfmdir = check_make_dirs(rundir, logger)
	if exists:
		return
	anat, aparc, func = find_raw_files(rawdir, subid, logger)
	if anat is None:
		return
	funcs = split_file(func, xfmdir, subid, run, logger)
	if funcs is None:
		return
	movement, movedfuncs = align_funcs(funcs, logger)
	exists, refunc = join_files(movedfuncs, rundir, subid, run)
	if not exists:
		return
	#Write movement and displacement
	logger.info('Write movement')
	save_movement(movement, mvdir)
	#Make mean from aligned
	meanfunc = reg.make_mean(movedfuncs)
	#Bias correct anat
	b4anat = reg.n4_biascorrect(anat)
	if b4anat is None:
		logger.error('{0}: Bias correction failed'.format(anat))
		return
	#Bias correct mean
	b4meanfunc = reg.n4_biascorrect(meanfunc)
	if b4meanfunc is None:
		logger.error('{0}: Bias correction failed'.format(meanfunc))
		return
	#Reslice mean to anat space
	rb4meanfunc = reslice_mean(b4anat, b4meanfunc)	
	#Make mask by growing func (5x5x5 kernel) and mask with anat
	mask  = reg.grow_mask(rb4meanfunc, size= 3)
	#Find mapping from func to anat
	func2anat_xfm = reg.affine_register_mi(b4anat, b4meanfunc, mask= mask)
	#Apply inverse mapping to anat
	anat2func = reg.apply_transform(b4anat, '-i %s'%(func2anat_xfm), 
		target=meanfunc, use_nn = False)
	#Apply transform to aparc nearest neighbor
	aparc2func = reg.apply_transform(aparc, '-i %s'%(func2anat_xfm), 
		target=meanfunc, use_nn = True)

	#Move 
	for item in (anat2func, aparc2func):
		cmd = 'mv %s %s'%(item, rundir)
		os.system(cmd)
Exemplo n.º 2
0
def process_run3(rundir, subid, datadir, logger):
	"""
	1. Find raw
	2. Split func into xfm dir
	3. Center func
	4. Align func, create mean and 4d
	5. Bias correct anat
	6. Invxfm anat2func
	7. Generate movement files
	8. Clean up
	"""
	_, run = os.path.split(rundir)
	rawdir = os.path.join(rundir, 'raw')
	exists, mvdir, xfmdir = check_make_dirs(rundir, logger)
	if exists:
		return
	anat, aparc, func = find_raw_files(rawdir, subid, logger)
	if anat is None:
		return
	funcs = split_file(func, xfmdir, subid, run, logger)
	if funcs is None:
		return
	cfuncs = suzanne_center(funcs)
	movement, movedfuncs = align_funcs(cfuncs, logger)
	exists, refunc = join_files(movedfuncs, rundir, subid, run)
	if not exists:
		return
	
	logger.info('Write movement')
	save_movement(movement, mvdir)
	meanfunc = reg.make_mean(movedfuncs)
	threshold_mean(meanfunc, logger, thresh=275)
	b4anat = bias_correct(anat, logger, xfmdir)
	b4meanfunc = bias_correct(meanfunc, logger, xfmdir)

	func2anat_xfm = reg.affine_register_mi(b4anat, b4meanfunc, mask= None)
	anat2func = reg.apply_transform(b4anat, '-i %s'%(func2anat_xfm),
		target=b4meanfunc, use_nn = False)
	aparc2func = reg.apply_transform(aparc, '-i %s'%(func2anat_xfm),
		target=b4meanfunc, use_nn = True)

	pth, aparcnme = os.path.split(aparc2func)
	aparc_mask = os.path.join(datadir, 'mask_{0}'.format(aparcnme))
	mask_from_aparc(aparc2func, aparc_mask)

	for item in (anat2func, aparc2func):
		cmd = 'mv %s %s'%(item, datadir)
		os.system(cmd)

	return b4meanfunc
Exemplo n.º 3
0
    #Make symbolic link of target/labels to subdir
    _, targetnme = os.path.split(target)
    cmd = 'ln -s {} {}'.format(target, subdir)
    os.system(cmd)
    target = os.path.join(subdir, targetnme)

    _, labelnme = os.path.split(target_labels)
    cmd = 'ln -s {} {}'.format(target_labels, subdir)
    os.system(cmd)
    target_labels = os.path.join(subdir, labelnme)

    moving, moving_aparc = getdata(subdir)
    moving_labels = aparc_to_mask(moving_aparc, labels) #Subject ROIs - Manually drawn

    #Register subject to template
    affine = register.affine_register_mi(target, moving)
    #Apply to structural and labels
    xfm_moving = register.apply_transform(moving, affine, outfile = None, target = target, use_nn = False)
    xfm_moving_labels = register.apply_transform(moving_labels, affine, outfile = None, target = target, use_nn = True)

    psepct = [0.5, .75, 1.0]
    for pct in psepct:
        outname = os.path.join(subdir, 'PSEtest_{}'.format(pct))

        cmd = psewarp(target, xfm_moving, target_labels, xfm_moving_labels, pct, outname)
        print cmd

        os.system(cmd)

        pseaffine = outname + 'Affine.txt'
        psewarp = outname + 'Warp.nii.gz'
Exemplo n.º 4
0
	subjs = sorted(glob(os.path.join(datadirectory, 'B*')))
	# try:
	# 	taskid = os.environ['SGE_TASK_ID']
	# except:
	# 	raise IOError('Are you using SGE??')
	# subj = dirs[int(taskid) - 1]

	for subj in subjs:
		jnk, subid = os.path.split(subj)
		raw_dir = os.path.join(subj, 'run3/raw')
		xfm_dir = os.path.join(subj, 'run3/xfm')
		anat = os.path.join(raw_dir, '%s_brainmask.nii.gz'%(subid))
		aparc = os.path.join(raw_dir, '%s_aparcaseg.nii.gz'%(subid))
		b4meanfunc = glob(os.path.join(xfm_dir, 'n4_mean*'))[0]
		b4anat = bias_correct(anat, xfm_dir)
		func2anat_xfm = reg.affine_register_mi(b4anat, b4meanfunc, mask= None)
		anat2func = reg.apply_transform(b4anat, '-i %s'%(func2anat_xfm), target=b4meanfunc, use_nn = False)
		aparc2func = reg.apply_transform(aparc, '-i %s'%(func2anat_xfm), target=b4meanfunc, use_nn = True)
		pth, aparcnme = os.path.split(aparc2func)
		aparc_mask = os.path.join(subj, 'mask_{0}'.format(aparcnme))
		mask_from_aparc(aparc2func, aparc_mask)
		for item in (anat2func, aparc2func):
			cmd = 'mv %s %s'%(item, subj)
			os.system(cmd)


# ANTSPATH='/home/jagust/cindeem/bin/ANTs-1.9.v4-Linux/bin'


# def affine_register_mi_iter(target, moving):
#     """ uses ANTS to create an affine mapping between different
Exemplo n.º 5
0
import os, sys
from glob import glob

sys.path.insert(0, '/home/jagust/fmri-pstask/scripts/ANTS/ants_tools')

import register as reg

basedir = '/home/jagust/fmri-pstask/subjects'
fdgdirs = sorted(glob(os.path.join(basedir, 'B*/fdg')))

for fdg in fdgdirs:
	testxfm = sorted(glob(os.path.join(fdg, 'xfm*')))
	if not testxfm:
		scans = sorted(glob(os.path.join(fdg, '*nii*')))
		fdg2anat_xfm = reg.affine_register_mi(scans[0], scans[1], mask=None) #0=Brainmask, 1=FDG
		fdg2anat = reg.apply_transform(scans[1], fdg2anat_xfm,
			target=scans[0], use_nn=False)
Exemplo n.º 6
0
	#basedir = '/home/jagust/fmri-pstask/subjects/'
	target = '/home/jagust/fmri-pstask/subjects/test_labelalign/template/rois/r0p5-mni_template.nii.gz'

	brainmask = glob(os.path.join(dir, 'r*brainmask.nii.gz'))[0]
	affine = glob(os.path.join(dir, 'r*Affine*'))[0]
	pseaffine = glob(os.path.join(dir, 'PSE-0.75', '*_Affine*'))[0]
	psewarp = glob(os.path.join(dir, 'PSE-0.75', '*_Warp*'))[0]
	full_transform = '{} {} {}'.format(psewarp, pseaffine, affine)

	funcstr = ['cope*', 'zstat*']

	subjdir, _ = os.path.split(dir)
	meanfunc = glob(os.path.join(subjdir, '*run3', 'xfm', 'mean*nii.gz'))[0]
	_, mfuncnme = os.path.split(meanfunc)
	if not os.path.isfile(os.path.join(dir, mfuncnme)):
		cmd = 'ln -s {} {}'.format(meanfunc, dir)
		os.system(cmd)
		meanfunc = os.path.join(dir, mfuncnme)

		mfuncaffine = register.affine_register_mi(brainmask, meanfunc)
		xfm_mfunc = register.apply_transform(meanfunc, mfuncaffine, outfile = None, target = brainmask, use_nn = False)

		statdir = glob(os.path.join(subjdir, '*uncorr*', '*feat', 'stats'))[0]
		funcs = []
		for globstr in funcstr:
			funcs.extend(glob(os.path.join(statdir, globstr)))
		for func in funcs:
			xfm_func = register.apply_transform(func, mfuncaffine, outfile = None, target = brainmask, use_nn = False)
			final_func = xfm_func.replace('xfm_', 'finalxfm_')
			final_func = register.apply_transform(xfm_func, full_transform, outfile = final_func, target = target, use_nn = False)
Exemplo n.º 7
0
def process_run3(rundir, subid, logger):
	"""
	1. Find raw
	2. Split func into xfm dir
	3. Align func, create mean and 4d
	4. Bias correct anat
	5. Invxfm anat2func
	6. Generate movement files
	7. Clean up
	"""
	_, run = os.path.split(rundir)
	rawdir = os.path.join(rundir, 'raw')
	exists, mvdir, xfmdir = check_make_dirs(rundir, logger)
	if exists:
		return
	anat, aparc, func = find_raw_files(rawdir, subid, logger)
	if anat is None:
		return
	funcs = split_file(func, xfmdir, subid, run, logger)
	if funcs is None:
		return
	movement, movedfuncs = align_funcs(funcs, logger)
	exists, refunc = join_files(movedfuncs, rundir, subid, run)
	if not exists:
		return
	#Write movement and displacement
	logger.info('Write movement')
	save_movement(movement, mvdir)
	#Make mean from aligned
	meanfunc = reg.make_mean(movedfuncs)
	#Bias correct anat
	b4anat = reg.n4_biascorrect(anat)
	if b4anat is None:
		logger.error('{0}: Bias correction failed'.format(anat))
		return
	_, b4anatname = os.path.split(b4anat)
	cmd = 'mv %s %s'%(b4anat, xfmdir)
	os.system(cmd)
	b4anat = os.path.join(xfmdir, b4anatname)
	# threshold mean to remove "cruft" current value == 300
	threshold_mean(meanfunc, logger, thresh=300)
	#Bias correct mean
	#b4meanfunc = reg.n4_biascorrect(meanfunc)
	#if b4meanfunc is None:
	#	logger.error('{0}: Bias correction failed'.format(meanfunc))
	#	return
	#Reslice mean to anat space
	b4meanfunc = meanfunc
	rb4meanfunc = reslice_mean(b4anat, b4meanfunc)
	#Make mask by growing func (5x5x5 kernel) and mask with anat
	# mask  = reg.grow_mask(rb4meanfunc, size= 3)
	#Find mapping from func to anat
	func2anat_xfm = reg.affine_register_mi(b4anat, b4meanfunc, mask= None)
	#Apply inverse mapping to anat
	anat2func = reg.apply_transform(b4anat, '-i %s'%(func2anat_xfm),
		target=meanfunc, use_nn = False)
	#Apply transform to aparc nearest neighbor
	aparc2func = reg.apply_transform(aparc, '-i %s'%(func2anat_xfm),
		target=meanfunc, use_nn = True)

	#Skull strip shit
	pth, aparcnme = os.path.split(aparc2func)
	aparc_mask = os.path.join(datadir, 'mask_{0}'.format(aparcnme))
	mask_from_aparc(aparc2func, aparc_mask)

	#masked_b4meanfunc = b4meanfunc.replace('n4_', 'masked_n4_')
	#mask_img(b4meanfunc, aparc_mask, masked_b4meanfunc)

	#Move
	for item in (anat2func, aparc2func):
		cmd = 'mv %s %s'%(item, rundir)
		os.system(cmd)

	return b4meanfunc
Exemplo n.º 8
0
def process_runs(rundir, subid, run3meanfunc, logger):
	_, run = os.path.split(rundir)
	rawdir = os.path.join(rundir, 'raw')
	exists, mvdir, xfmdir = check_make_dirs(rundir, logger)
	if exists:
		return

	_, run3 = os.path.split(run3meanfunc)
	cmd = 'cp %s %s'%(run3meanfunc, xfmdir)
	os.system(cmd)
	run3meanfunc = os.path.join(xfmdir, run3)

	anat, aparc, func = find_raw_files(rawdir, subid, logger)
	if anat is None:
		return
	funcs = split_file(func, xfmdir, subid, run, logger)
	if funcs is None:
		return
	movement, affines, moved = make_affines(funcs, logger)
	logger.info('Write movement')
	save_movement(movement, mvdir)
	meanfunc = reg.make_mean(moved)
	#Remove old movedfuncs
	newdir = os.path.join(xfmdir, 'first_realign')
	os.mkdir(newdir)
	for f in moved[1:]:
		cmd = 'mv %s %s'%(f, newdir)
		os.system(cmd)

	#Bias correct anat
	b4anat = reg.n4_biascorrect(anat)
	if b4anat is None:
		logger.error('{0}: Bias correction failed'.format(anat))
		return
	_, b4anatname = os.path.split(b4anat)
	cmd = 'mv %s %s'%(b4anat, xfmdir)
	os.system(cmd)
	b4anat = os.path.join(xfmdir, b4anatname)
	# threshold mean to remove "cruft" current value == 300
	threshold_mean(meanfunc, logger, thresh=300)
	#Bias correct mean
	#b4meanfunc = reg.n4_biascorrect(meanfunc)
	#if b4meanfunc is None:
	#	logger.error('{0}: Bias correction failed'.format(meanfunc))
	#	return
	b4meanfunc = meanfunc
	#Reslice mean to anat space
	rb4meanfunc = reslice_mean(b4anat, b4meanfunc)
	#Make mask by growing func (5x5x5 kernel) and mask with anat
	# mask  = reg.grow_mask(rb4meanfunc, size= 3)
	#Find mapping from func to anat
	func2anat_xfm = reg.affine_register_mi(b4anat, b4meanfunc, mask= None)
	#Apply inverse mapping to anat
	anat2func = reg.apply_transform(b4anat, '-i %s'%(func2anat_xfm),
		target=meanfunc, use_nn = False)
	#Apply transform to aparc nearest neighbor
	aparc2func = reg.apply_transform(aparc, '-i %s'%(func2anat_xfm),
		target=meanfunc, use_nn = True)

	#Skull strip shit
	pth, aparcnme = os.path.split(aparc2func)
	aparc_mask = os.path.join(rundir, 'mask_{0}'.format(aparcnme))
	mask_from_aparc(aparc2func, aparc_mask)

	#masked_b4meanfunc = b4meanfunc.replace('n4_', 'masked_n4_')
	#mask_img(b4meanfunc, aparc_mask, masked_b4meanfunc)

	#Make new moved funcs based on 2 affines
	movedfuncs = align_means(funcs, b4meanfunc, run3meanfunc, affines, logger)
	exists, refunc = join_files(movedfuncs, rundir, subid, run)
	if not exists:
		return

	#Move
	for item in (anat2func, aparc2func):
		cmd = 'mv %s %s'%(item, rundir)
		os.system(cmd)