imread function

[Nelson-numerical-software]

f1 = figure();
img1 =imread('E:\Developpements\GitHub\nelson\modules\graphics\tests\cube.jpg');
image(img1)
size(img1)
f2 = figure();
img2 =imread('E:\Developpements\GitHub\nelson\modules\graphics\tests\teaset.png');
image(img2)
size(img2)

[Nelson-numerical-software]

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

[Nelson-numerical-software]

Optimized version of 'imread' function

filename = [tempdir, 'apollo_8_earthrise_1968_as08-14-2383.jpg'];
websave(filename, 'https://www.nasa.gov/sites/default/files/thumbnails/image/apollo_8_earthrise_1968_as08-14-2383.jpg');
tic();
img = imread(filename);
toc()
size(img)