📂Julia

How to Change Image Size in Julia

Resizing Images

To resize images, you can use the imresize function from the Images package. The function name is the same as in Matlab.

• imresize(X, ratio=a): Returns the image of array X scaled by a factor of a. Unlike Matlab, you must explicitly write ratio=a.

• imresize(X, m, n): Returns the image of array X resized to m rows and n columns. Below are example codes and their results.

using Images

X=load("example\_{i}mage2.jpg")

Y1=imresize(X, ratio=0.5)
Y2=imresize(X,500,500)
Y3=imresize(X,1500,1500)
Y4=imresize(X,700,1000)
Y5=imresize(X,1000,1300)
Y6=imresize(X,300,300)

save("X.png",colorview(RGB,X))
save("Y1=imresize(0.5).png",colorview(RGB,Y1))
save("Y2=imresize(500,500).png",colorview(RGB,Y2))
save("Y3=imresize(1500,1500).png",colorview(RGB,Y3))
save("Y4=imresize(700,1000).png",colorview(RGB,Y4))
save("Y5=imresize(1000,1300).png",colorview(RGB,Y5))
save("Y6=imresize(300,300).png",colorview(RGB,Y6))

See Also

• How to Resize Images in Matlab

Environment

• OS: Windows10
• Version: 1.5.3 (2020-11-09)