Save Image Tool
imsave function to create a Save Image tool that
displays an interactive file chooser dialog box. Use this dialog box to navigate your
file system to determine where to save the image file and specify the name of the file.
Choose the graphics file format you want to use from among the image file formats listed
in the Files of Type menu. For more information about using
the tool, see Tips.
imsave creates a Save Image tool in a separate figure that is
associated with the image in the current figure, called the target image.
imsave( creates a Save Image tool
associated with the image specified by the handle
Read a grayscale image into the workspace. Display the image.
I = imread('coins.png'); imshow(I)
Process the image. This example creates a binary mask in which the background is black and the coins are white.
bw = imbinarize(I); bw = imfill(bw,'holes'); imshow(bw,)
Save the binary image to file by using the Save Image tool. You can navigate to the desired directory and specify the file name and file format. This example saves the image to the Desktop with the file name
myMaskImage in the JPEG file format.
h— Handle to graphics object
Handle to a figure, axes, uipanel, or image graphics object, specified as
a handle. If
h is an axes or figure handle, then
imsave uses the first image returned by
filename— Full path to file
Full path to file, returned as a character vector. If you cancel the save
filename is an empty character array,
user_canceled— User canceled operation
User canceled operation, returned as
true. If you press the Cancel
button or close the save window, then
In contrast to the Save as option in the figure File menu, the Save Image tool saves only the image displayed in the figure. The Save as option in the figure window File menu saves the entire figure window, not just the image.
imwrite to save the
image, using default options.
If you specify a file name that already exists, then
imsave displays a warning message. Select
Yes to use the file name or No to
return to the dialog to select another file name. If you select
Yes, then the Save Image tool attempts to overwrite the
The Save Image tool is modal; it blocks the MATLAB® command line until you respond.