Image import in -y axis
1 Ansicht (letzte 30 Tage)
Ältere Kommentare anzeigen
Hi,
So I am importing an image that I want to later trace points on and generate a Lagrange polynomial curve but the image is imported into the -y axis. While this may not affect my curve it can affect my constants in the curve. This is my code.
bottle=imread('bottle.png');
imshow(bottle)
hold on
i=1;
n=15;
x0=0;
y0=0;
[x0,y0]=ginput(1);
while (i<n+1)
[x,y]=ginput(1);
plot(x,y,'*r')
xi(i,1)=x;
yi(i,1)=y;
i=i+1;
end
display (xi);
display (yi);
axis on;
0 Kommentare
Antworten (1)
Image Analyst
am 25 Mai 2020
Please attach 'bottle.jpg'
Also use
axis ij
to flip the direction of plotting with plot(). Or else (# of rows - y) instead of y.
0 Kommentare
Siehe auch
Kategorien
Mehr zu Geometric Transformation and Image Registration 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!