permission error while using imwrite () on transformed image

2016 7 9
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更新时间：2016 7 9
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i have multiple images in multiple folders. i have perform a deformation on those images and trying to save those images in same folders under the name transform image using imwrite(). but i am getting write permission error . Can anyone help me with this. Please find my code attached.

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回答（1 个）

Image Analyst
Image Analyst 2016-7-9

0 个投票

Don't use "image" as the name of your image variable - it's an important built-in function. What is the name of your file you are trying to write? If you comment out the imwrite() line, does the script run fine?

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prashant singh
prashant singh 2016-7-9
编辑：prashant singh 2016-7-9
did not use 'image' this time ... used im instead, still no luck. if i comment out imwrite ..it goes through all of my images in different folders but make only the first folder where i need to save the transformed images. rest of the image directory it doesn't make . Like it prepare the folders trasnform2Dimages ->transformdata-60.. while iterating through the first folder where it's picking up the images but then it doesn't create the next folder or the folders after that . It should create folders like trasnform2Dimages ->transformdata-61 , trasnform2Dimages ->transformdata-62. Please find the updated code attached.
Image Analyst
Image Analyst 2016-7-9
Paste the contents of everything that appears in the command window.
prashant singh
prashant singh 2016-7-9
Processing image file C:\Users\PRASHANT\Documents\MATLAB\2Dimages\data\data-1\image98.jpeg
Warning: Directory already exists.
> In deform2D (line 58)
Processing folder C:\Users\PRASHANT\Documents\MATLAB\2Dimages\data\data-10
Processing image file C:\Users\PRASHANT\Documents\MATLAB\2Dimages\data\data-10\image103.jpeg
Warning: Directory already exists.
> In deform2D (line 58)
Processing image file C:\Users\PRASHANT\Documents\MATLAB\2Dimages\data\data-10\image108.jpeg
Warning: Directory already exists.
> In deform2D (line 58)
Processing image file C:\Users\PRASHANT\Documents\MATLAB\2Dimages\data\data-10\image113.jpeg
Warning: Directory already exists.
> In deform2D (line 58)
Processing image file C:\Users\PRASHANT\Documents\MATLAB\2Dimages\data\data-10\image118.jpeg
Warning: Directory already exists.
> In deform2D (line 58)
Processing image file C:\Users\PRASHANT\Documents\MATLAB\2Dimages\data\data-10\image123.jpeg
Warning: Directory already exists.
> In deform2D (line 58)
Processing image file C:\Users\PRASHANT\Documents\MATLAB\2Dimages\data\data-10\image128.jpeg
Warning: Directory already exists.
> In deform2D (line 58)
Processing image file C:\Users\PRASHANT\Documents\MATLAB\2Dimages\data\data-10\image133.jpeg
This is what i am getting if i comment down imwrite(). It keeps eso i executing for a large image database so i pasted some part of it
Image Analyst
Image Analyst 2016-7-9
You can get rid of a lot of the warnings by not calling mkdir if the folder exists:
Replace
mkdir(dataFolderName);
by
if ~exists(dataFolderName, 'dir')
mkdir(dataFolderName);
end
then you'll have to put the imwrite back in so I can see what the error for that is. Perhaps you can't write to the folder, like it's on a readonly drive or need admin permission or something.

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