How to retrieve image name

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Suraj Suresh
Suraj Suresh 2017-12-8
评论： Suraj Suresh 2017-12-8
I have loaded an image having name '1.bmp' using GUI and stored it in the variable 'im'.Is there a way I can get the filename/image name? I want to do something like this
if ( name(im)='1.bmp')
statement1
elseif (name(im)='2.bmp')
statement2
else
statement 3
And so on? Please help me. I am a beginner. % code end

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回答（2 个）

Image Analyst
Image Analyst 2017-12-8
You need to save the filename string and be able to access it in other functions.
See the FAQ: http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.28s.29.3F
John D'Errico
John D'Errico 2017-12-8
Having loaded an image into a variable, the original name of the image in the file it was stored in is NOT carried along.
Nothing stops you from retaining that name in a different variable. Or you might even decide to name the image variable in a way that was consistent with the filename, although you cannot name a variable with purely a number. So 1 is not a valid variable name, nor can you start the name of a variable with a number.
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Stephen23
Stephen23 2017-12-8
编辑：Stephen23 2017-12-8
  1. Do not use path as a variable name, because this is the name of a very important inbuilt function.
  2. The first output of imgetfile is the full path: split this into the filename and pathname using fileparts.
  3. compare using strcmpi, not strcmp (unless you are using a case-sensitive OS).
Suraj Suresh
Suraj Suresh 2017-12-8
You, Sir, are the best. It worked. Thanks a million. Finally. It is really ironic that I did all the complicated stuff like segmentation, clearing noise, dilation etc. easily but got stuck in a small thing like retrieving the name of the loaded image. Thank you.

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