How to show an image using the stored vector (matrix) as a variable in the report generator

Question

Yasser Soltanpour 2019-4-23

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/458094-how-to-show-an-image-using-the-stored-vector-matrix-as-a-variable-in-the-report-generator

评论： Sean de Wolski 2019-4-29

Hello,

I'd like to show an image or picture using the image vactor (matrix) in a report. Lets assume that the image is already read by imread(picname) and stored in a variable. Now, having the variable, how can I display the sotred image? The code is similar to the following:

file1.m :

picname='picname.jpg';
myimage=imread(picname);
save('myimagefile','myimage');

Later on, I load the variable from file2.m which generates the report.

file2.m :

import mlreportgen.dom.*;
import mlreportgen.report.*;
load('myimagefile');
rep=Report('Myreport','pdf');
open(rep);

I know if I use Image() function deosn't work, because it reads the associated address to the variable, not the content of the varialbe.

The wrong code is:

imagetoshow=Image(myimage); %I know "myimage" should be an adderss not a variable
add(rep,imagetoshow);
close(rep);

Any help is appreciated.

Yasser

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KSSV 2019-4-24

USe imagesc

Yasser Soltanpour 2019-4-24

KSSV,

Thanks for your reply. However, it didn't work with add(rep,imagetoshow). Would you please provide me a code that I could use?

Thanks for your help.

Yasser

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Answer 1

Sean de Wolski 2019-4-24

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/458094-how-to-show-an-image-using-the-stored-vector-matrix-as-a-variable-in-the-report-generator#answer_372050

编辑：Sean de Wolski 2019-4-24

在 MATLAB Online 中打开

You could use:

imshow(loadedimage)
add(R, Figure())

In general I'd stick with Image even if though requires imwriting your image back to disk (perhaps to tempname from where it can be deleted)

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Yasser Soltanpour 2019-4-24

Thanks Sean de Wolski,

The code you provided didn't produce a report, but only a plot. I really hoped that there was other way to embed an image in the reprot from a variable.

Thanks,

Yasser