creating an image database

i want to create a database of images present in a folder by converting it to binary format.
can u pls share the procedure or the source code.
thank you

 采纳的回答

Images=dir('C:\Complete_path\Input_folder_name\*.png'); %Input Images, Note on .format
outDirectory='C:\path_to create_out_folder\folder_name\'; % It will automatically ctreated
mkdir(outDirectory);
for i=1:length(Images)
ImgName=strcat('C:\Complete_path\Input_folder_name\',Images(i).name);
ImgName=imread(ImgName);
bw_image=im2bw(ImgName)
imwrite(bw_image,strcat(outDirectory,Images(i).name));
end
Please do minor change in the code, as per your requirements, any Issue let me know!

5 个评论

How to retrieve images from this database
Yes, the first line is call the images from folder.
The code details:
Call the images from folder and convert to binary and save the binary image in different folder (with same image file name)
How to retrieve images from this database?
Do the same
Hope it helps!
Error using rgb2gray>parse_inputs (line 81) MAP must be a mX3 array
Error in rgb2gray (line 35) X= parse_inputs(varargin{:});
Error in P1 (line 5) ImgName=rgb2gray(ImgName);
I am getting this error
#Edited Answer Check
Are you sure your input images are RGB? May be your images are gray image, therefore skip the line.
Please do share complete code /replication code/sample images?

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