How can i modify matrix which i retrieve from image?
1 Ansicht (letzte 30 Tage)
Ältere Kommentare anzeigen
I have a gray image, i want to see only the black part ,rest of image i want to replace with value 250, so that gray part will be white.
f=imread('image1.jpg');
T = zeros(size(f));
for ii = 1:numel(f)
if f(ii)<50
T(ii) = f(ii);
else
T(ii) = 250;
end
end
imshow(T)
5 Kommentare
Akzeptierte Antwort
Iain
am 19 Jun. 2013
Try:
%if the problem is just the data type, this should work:
T = f;
T(T>50) = 255;
If the problem is that you can't see the very few black pixels, tell us the result from
sum(f(:) <51)
1 Kommentar
Weitere Antworten (0)
Siehe auch
Kategorien
Mehr zu Image Processing Toolbox finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!