problem of applying block processing function

2 次查看(过去 30 天)
my image is gray scale image of 100*120. my programme is
*fun=@(x) x.*2;
B = blkproc(I,[4 4],[1 1],fun);*
when i'm looking for 1st sub block it gives only a single number, it equals to the twice of (1,1) pixel value of original image. can't i get the twice of 1st 4*4 block.is it possible or not.

采纳的回答

Image Analyst
Image Analyst 2013-9-20
It gives a single number but you can multiply by ones(blockSize) to expand it. See the attached demos scripts.
  8 个评论
Image Analyst
Image Analyst 2013-9-25
You must have a really, really old version of MATLAB. It had a different name back then, something like blkproc, blkprc, or something like that. You need to find out what it's called in your ancient version of MATLAB. Or just upgrade.
mahesh chathuranga
mahesh chathuranga 2013-9-25
I,m working with R2009a,it uses blkproc. but is there any method in matlab to find the old codes.

请先登录,再进行评论。

更多回答(0 个)

类别

Help CenterFile Exchange 中查找有关 Images 的更多信息

Community Treasure Hunt

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

Start Hunting!

Translated by