In my previous upslope area post, I showed this graphic of pixel flow around North Pond in Milford, Massachusetts: Notice that pixels in the pond have no arrows. In fact, the... 更多内容 >>

In this part of the connected component labeling series, I'll finally get to one of the algorithms actually used in the Image Processing Toolbox. It's based on a technique called ... 更多内容 >>

Early in my graduate school days, I once spent a couple of days poring over code listings trying to find the cause of a mysterious bug. Eventually I discovered that the code had a "1" somewhere it... 更多内容 >>

In Part 2 of the upslope area series, I showed an M-file, pixelFlow, that could calculate a pixel's flow direction and magnitude according to the D-infinity method of Tarboton. Let's... 更多内容 >>

OK, I've learned an important lesson about this blog: I really shouldn't start up two topics series at the same time. It's too hard to find the time to compose posts on both topics each... 更多内容 >>