matlab Crash Exit while running this segment of code in file " Demo_Post_MRF.m "

% Expantion Algorithm
gch = GraphCut('open', -Dc, beta*Sc);
[gch seg] = GraphCut('expand',gch);
gch = GraphCut('close', gch);

seg_label = seg(TestIndex) + 1;
seg_label = bestMap(TestLabels,seg_label);
Seg_label = Label;
Seg_label(TestIndex) = seg_label;

[OA_seg,kappa_seg,AA_seg,CA_seg] = calcError( TestLabels-1, seg_label-1, 1: nclasses);
CA_seg
[OA_seg,AA_seg,kappa_seg]

rnd@rnd-HP-ProDesk-600-G3-SFF:~/CNN_HSIC_MRF-master$ python cnn_train.py
/home/rnd/.local/lib/python2.7/site-packages/h5py/init.py:36: FutureWarning: Conversion of the second argument of issubdtype from float to np.floating is deprecated. In future, it will be treated as np.float64 == np.dtype(float).type.
from ._conv import register_converters as _register_converters
Traceback (most recent call last):
File "cnn_train.py", line 10, in
import HSI_Data_Preparation
File "/home/rnd/CNN_HSIC_MRF-master/HSI_Data_Preparation.py", line 254, in
Training_data, Test_data = Prepare_data()
File "/home/rnd/CNN_HSIC_MRF-master/HSI_Data_Preparation.py", line 251, in Prepare_data
Test_data = add_DataSet(Test_data,data_sets,'test')
File "/home/rnd/CNN_HSIC_MRF-master/HSI_Data_Preparation.py", line 226, in add_DataSet
temp_image = np.concatenate((first['test_patch'],second['test_patch']),axis=0)

MemoryError

In executing cnn_train.py
Memory Error
if i am applying for Pavia dataset
but it is working for Indianpines on CPU
Please replay