how to remove padarray from image?

4 次查看（过去 30 天）
kashika sharma
kashika sharma 2016-2-8
评论： Image Analyst 2016-2-8
adding padarray makes the image from 256x256 image to 258x258. how to make image back to 256x256 ?

请先登录，再回答此问题。

回答（2 个）

Jos (10584)
Jos (10584) 2016-2-8
A = magic(4)
n = 2
B = padarray(A,[n n]) % pad
A2 = B(n+1:end-n,n+1:end-n) % unpad
or directly:
A2 = A
Image Analyst
Image Analyst 2016-2-8
Simply don't call it. Why did you call it if you don't want what it does?
  2 个评论
kashika sharma
kashika sharma 2016-2-8
i an new to matlab. just learning how things work.
Image Analyst
Image Analyst 2016-2-8
Like Jos says, you can just extract the central part with indexing:
out = yourArray(2:end-1, 2:end-1);

请先登录，再进行评论。

类别

在 Help Center 和 File Exchange 中查找有关 Image Processing and Computer Vision 的更多信息

标签

产品

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by