MATLAB: How can I write and reads an image from a folder

image processingImage Processing Toolboximage segmentation

I want a code solve this

read an image from a folder
select image and show it into axes
write into the image by making some filters

Best Answer

Start with my Image Segmentation Tutorial. http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862 It does all of the things you requested.

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MATLAB: How to convert char array to two dimension image

Do not name a variable image
You need to read the content of the image file using imread()
It is recommended to use fullfile() to construct the file names instead of strcat

MATLAB: How to upload image using push button

Seriously? :-)

[FileName, PathName] = uigetfile({'*.bmp,*.jpg'},'Select a image file');
axes(handles.axes1);
imshow([Path_Name, File_Name]);

The error message tells you clearly, that the variable "Path_Name" does not exist. You have called it "PathName" without underscore.

Prefer the more stable:

[FileName, PathName] = uigetfile({'*.bmp,*.jpg'},'Select a image file');
imshow(fullfile(PathName, FileName), 'Parent', handles.axes1);

fullfile considers the file-separators. Defining the 'Parent' property is a little bit faster and more secure than relying on the current object: If a user clicks on any object between the two lines the image is displayed anywhere else.

Best Answer

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MATLAB: How to convert char array to two dimension image

MATLAB: How to upload image using push button

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