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I downloaded and installed the toolbox that I found on this site that is recommended from caltech for manipulating a .seq file. I am trying to open a .seq file using the functions that are in the toolbox.

Reading the instructions from here for how to execute a specific mode of the function I see that sr = seqIo( fName, 'reader', [cache] ) is to Create interface sr for reading seq files. When i execute it in matlab with the format sr = seqIo( 'V001.seq', 'r', 2048 ); it extracts an error ->

Error using seqReaderPlugin>open (line 111) Cannot find MATLAB's source image reader

First of all I am not sure what to put in the [case] field as an argument and second I would very appreciate if someone gave a simple script to read every image of the sequence independently for later processing. I do not know if some else has the same problem.

Just to show you that nothing from the toolbox is working I call the function info = seqIo( 'V001.seq', 'getInfo' ) and it still has the same results also when using other .seq files.

Adriaan
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Konstantinos Monachopoulos
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    You'd probably be better off asking those who created the toolbox, as I doubt many of us have used that toolbox before. Look at the bottom of the doc page, and it reads: **If you have a question or a suggestion, or if you find a bug, please email me at `pdollar-at-gmail.com`**... so get to it! – rayryeng Mar 03 '15 at 16:12
  • Well, the seqIo function that is included in this toolbox is exactly the same that i found in many sites. It is a known function if somebody tried to read .seq files... – Konstantinos Monachopoulos Mar 03 '15 at 16:14
  • Well I don't know it so you can't generalize it that way!... which brings me back to where we started. Contact the original author. Good luck! – rayryeng Mar 03 '15 at 16:15
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    Your matlab must have Image Toolbox for this toolbox to work. Also check if this toolbox is compatible with your version of matlab. – articuno Mar 03 '15 at 16:32
  • Well i have Matlab 2014b and Image Processing Toolbox is by default installed with it (http://www.mathworks.com/help/images/release-notes.html), as for the version it says 2011b or later... – Konstantinos Monachopoulos Mar 03 '15 at 16:47
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    Type `which imread` ... if it returns `imread not found` you're likely not to have necessary toolbox ... Or you can put a breakpoint at line 83 (or line 91) in `~\videos\seqReaderPlugin.m` to further investigate by yourself what's going on. – CitizenInsane Mar 03 '15 at 16:53
  • Well as i said. The image processing toolbox is already installed. Because this is a ready to use toolbox i dont know if i modified it that will work correctly, the mistake is somewhere else, but i don't know where... – Konstantinos Monachopoulos Mar 03 '15 at 23:00
  • @monakons - Just because you have MATLAB R2014b **does not** mean you have the image processing toolbox installed. That link you pointed to only shows the release notes per version of MATLAB. This is **assuming** you have the toolbox installed. Please follow CitizenInsane's suggestion and type in `which imread` in the Command Prompt and push ENTER. If it says it can't find the command, you don't have it installed. There isn't anything more else to say. – rayryeng Mar 04 '15 at 05:14
  • I know what imread does and if i have image processing toolbox installed. My work is on Computer Vision. Just to show that i have it installed when i type which imread it returns me the path. I contacted the creator of the toolbox and said me that maybe it is the operation system or the version of Matlab that i use. I am not available of changing the operation system nor the Matlab version for a toolbox. I tried different toolbox that reads the .seq file and does not response correctly. So i may ask is there a general way to read .seq files with matlab? any way that is supported? – Konstantinos Monachopoulos Mar 04 '15 at 13:21

3 Answers3

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Ok, i contacted the creator and told me to test the toolbox with different types of matlab versions and different operation systems. Worked with windows 7 32-bit and Matlab r2014b.

Konstantinos Monachopoulos
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The reason why the function show the message is because the toolbox did not compile correctly. I encountered the same problem. Follow these steps to get it running:

addpath(genpath('toolbox/folder/location'));
toolboxCompile;
% this should suffice

Another problem, everytime you open matlab, unless the toolbox is in the current folder of the workspace, you have to repeat the compilation process. So instead:

pathtool
% a window should appear

Click on "Add with subfolders" and select the toolbox subfolder and click save. You should not have to do the addpath(genpath()); step again.

Shardul1729
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I also have this problem and already solved it.

For my cases, it's because I used the university's PC and not be an administrater. Inside the code 'SeqReaderPlugin.m' line 85 , there is a 'copyfile' function, which can only been run by the administer.

So I open the matlab again as an administrater and it works now. (I am using matlab 2018b win64, windows 10)

Haoran Wei
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