How can I extract images from a Matlab mlarray and display them

Question

In Python, I have an array comes from Matlab function using Matlab engine.

import matlab.engine
import numpy as N
eng = matlab.engine.start_matlab()
a= eng.func()
print(type(a))
print(N.shape(a))

the console output is :

 <class 'matlab.mlarray.double'>
  (135L, 134L, 7L)

in which there is 7 gray images with size of 135x134. how can I extract each image and show them by loop?

It looks like your title has _nothing_ to do with your actual question. Please fix it. — ChrisGPT was on strike, Apr 21 '17 at 20:20
what should I name it? I have problem with dimension of output array. help me by good title. @Chris — patra, Apr 21 '17 at 20:21
Then maybe your question needs rewording… it looks like you really want to know "How can I extract images from a Matlab mlarray and display them?" That doesn't seem to have anything to do with array dimensions. — ChrisGPT was on strike, Apr 21 '17 at 20:23

score 0 · Accepted Answer · edited May 23 '17 at 11:33

0

b = N.array(a._data).reshape(a.size, order='F')

it change 'a' to Numpy. and then I call each image simply.

for i in range(0, 6):
  c = b[:,:,i] #now c is 135x134 
  plt.imshow(c)
  plt.show()

edited May 23 '17 at 11:33

Community

answered Apr 21 '17 at 21:08

patra

1 Answers1