imread

Read image from graphics file.

Syntax

• A = imread(filename)
• [A, map] = imread(filename)
• [A, map, transparency] = imread(filename)

Input argument

• filename - a row vector characters or scalar string: name of graphics file.

Output argument

• A - Image data: array.
• map - Colormap: m-by-3 matrix.
• transparency - Transparency information: matrix.

Description

imread reads the image data from the given file into a matrix.

Example

f = figure();
filename = [tempdir, 'ngc6543a.gif'];
websave(filename, 'https://solarviews.com/raw/ds/ngc6543a.gif');
img = imread(filename);
imagesc(img);

See also

imagesc.

History

Author

Allan CORNET