Metadata-Version: 2.1
Name: brainweb
Version: 0.3.2
Summary: Multimodal models of 20 normal brains
Home-page: https://github.com/casperdcl/apirl/tree/casper/python/brainweb
Author: Casper O. da Costa-Luis
Author-email: casper.dcl@physics.org
License: MPLv2.0
Description: The relevant file is `README.ipynb <README.ipynb>`__, accessible via any
        of the following:
        
        - |Binder|
        - `GitHub Preview <https://github.com/casperdcl/apirl/blob/casper/python/brainweb/README.ipynb>`__
        - `Local file <README.ipynb>`__
        
        .. |Binder| image:: https://mybinder.org/badge_logo.svg
           :target: https://mybinder.org/v2/gh/casperdcl/apirl/casper?filepath=python%2Fbrainweb%2FREADME.ipynb
        
        BrainWeb: Multimodal models of 20 normal brains
        ===============================================
        
        **Download and Preprocessing for PET-MR Simulations**
        
        This notebook will not re-download/re-process files if they already
        exist.
        
        -  Output data
        -  ``~/.brainweb/subject_*.npz``: dtype(shape):
           ``float32(127, 344, 344)``
        -  `Raw data
           source <http://brainweb.bic.mni.mcgill.ca/brainweb/anatomic_normal_20.html>`__
        -  ``~/.brainweb/subject_*.bin.gz``: dtype(shape):
           ``uint16(362, 434, 362)``
        -  Prerequisites
        -  Python: `requirements.txt <../../requirements.txt>`__ (e.g.
           ``pip install -r ../../requirements.txt``)
        
        --------------
        
        -  Author: Casper da Costa-Luis <casper.dcl@physics.org>
        -  Date: 2017-19
        -  Licence: `MPLv2.0 <https://www.mozilla.org/MPL/2.0>`__
        
        .. code:: python
        
            from __future__ import print_function, division
            %matplotlib notebook
            import brainweb
            from brainweb import volshow
            import numpy as np
            from os import path
            from tqdm.auto import tqdm
            import logging
            logging.basicConfig(level=logging.INFO)
        
        Raw Data
        --------
        
        .. code:: python
        
            # download
            files = brainweb.get_files()
        
            # read last file
            data = brainweb.load_file(files[-1])
        
            # show last subject
            print(files[-1])
            volshow(data, cmaps=['gist_ncar']);
        
        ::
        
            ~/.brainweb/subject_54.bin.gz
        
        .. image:: raw.png
        
        Transform
        ---------
        
        Convert raw image data:
        
        -  Siemens Biograph mMR resolution (~2mm) & dimensions (127, 344, 344)
        -  PET/T1/T2/uMap intensities
        -  randomised structure for PET/T1/T2
        -  t (1 + g [2 G_sigma(r) - 1]), where
        
           -  r = rand(127, 344, 344) in [0, 1),
           -  Gaussian smoothing sigma = 1,
           -  g = 1 for PET; 0.75 for MR, and
           -  t = the PET or MR piecewise constant phantom
        
        .. code:: python
        
            brainweb.seed(1337)
        
            for f in tqdm(files, desc="mMR ground truths", unit="subject"):
                vol = brainweb.get_mmr_fromfile(
                    f,
                    petNoise=1, t1Noise=0.75, t2Noise=0.75,
                    petSigma=1, t1Sigma=1, t2Sigma=1)
        
        .. code:: python
        
            # show last subject
            print(f)
            volshow([vol['PET' ][:, 100:-100, 100:-100],
                     vol['uMap'][:, 100:-100, 100:-100],
                     vol['T1'  ][:, 100:-100, 100:-100],
                     vol['T2'  ][:, 100:-100, 100:-100]],
                    cmaps=['hot', 'bone', 'Greys_r', 'Greys_r'],
                    titles=["PET", "uMap", "T1", "T2"]);
        
        ::
        
            ~/.brainweb/subject_54.bin.gz
        
        .. image:: mMR.png
        
        .. code:: python
        
            # add some lesions
            brainweb.seed(1337)
            im3d = brainweb.add_lesions(vol['PET'])
            volshow(im3d[:, 100:-100, 100:-100], cmaps=['hot']);
        
        .. image:: lesions.png
        
Keywords: brainweb medical imaging fdg pet mri
Platform: any
Classifier: Development Status :: 3 - Alpha
Classifier: Framework :: IPython
Classifier: License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 2
Classifier: Programming Language :: Python :: 3
Description-Content-Type: text/x-rst
Provides-Extra: plot
