upload tutorial 3 and 4

tutorial_3/data/.DS_Store

tutorial_3/data/atlas_slicez90.nii.gz

tutorial_3/data/noisy.png

tutorial_3/data/test.nii.gz

tutorial_3/data/test2.nii.gz

tutorial_3/data/test_slice.nii.gz

...ebooks/.ipynb_checkpoints/em_seg_and_mrf-checkpoint.ipynb

.../.ipynb_checkpoints/em_segm_atlas_priors-checkpoint.ipynb

...otebooks/.ipynb_checkpoints/levelset_seg-checkpoint.ipynb

..._3/notebooks/.ipynb_checkpoints/otsu_thr-checkpoint.ipynb

tutorial_3/notebooks/em_seg_and_mrf.ipynb

tutorial_3/notebooks/otsu_thr.ipynb

tutorial_3/src/imagedisplay.py

tutorial_3/src/imagedisplay.pyc

tutorial_3/src/volumerendering.py

tutorial_3/src/volumerendering.pyc

tutorial_4/data/spine_testing.txt

tutorial_4/data/spine_training.txt

...ebooks/.ipynb_checkpoints/classification-checkpoint.ipynb

...4/notebooks/.ipynb_checkpoints/pca_shape-checkpoint.ipynb