A reader asked in a blog comment recently why a vertical line (or edge) shows up in the Fourier transform of an image as a horizontal line. I thought I would try to explain this using the... 更多内容 >>

In a recent post I demonstrated the use of bwdist (binary image Euclidean distance transform) to perform isotropic dilation. This was inspired by something that Brett asked me about. ... 更多内容 >>

Thanks to Steve Lord I just learned that documentation for previous MathWorks releases is now available online. This is something I know many of you have asked about. Just hop over to the... 更多内容 >>