The imread and imwrite functions support a variety of graphics file formats and compression schemes.
Load and display image from mat file matlab.
Learn more about mat file.
If filename is an ascii file then load filename creates a double precision array containing data from the file.
How to display image from mat file.
Load loads all the variables from the mat file matlab mat if it exists and returns an error if it doesn t exist.
Extract out the image from the structure into its own variable.
I tried using the import data tab but was only given one field.
But when the matlab function load filename mat was used it produced a mat file with 5 field names.
The structure has a member i that is a double 512x512 array.
For example when i load the mat file into gui for the first time the static text box displays the text in box 1 1.
To write matlab image data to graphics files use imwrite.
Load filename loads data from filename.
The matlab data file contains a structure data with a field datalist which is itself a structure array with one element per image.
To read image data into matlab from graphics files in various standard formats such as tiff use imread.
Load filename loads all the variables from filename given a full pathname or a matlabpath relative partial pathname.
Load entire mat file contents into a structure.
Storedstructure load data mat.
Imread infers from the file that the graphics file format is tagged image file format tiff.
If filename has no extension load looks for a file named filename mat and treats it as a binary mat file.
Then i press the pushbutton it will display the text in box 2 1 and so on.
So the first image can be found in data datalist 1 img after loading the file into matlab nothing happened and typing the command data datalist 1 img i got a huge list of numbers i still get no image.
Read and display an image read an image into the workspace using the imread command.
The example reads one of the sample images included with the toolbox an image of a young girl in a file named pout tif and stores it in an array named i.
