[Ben] has written all sorts of code and algorithms to filter, sort, and convolute images, and also a few gadgets that were meant to be photographed. One project that hasn’t added a notch to his ...

A further discussion of Radon's problem for curves in the plane given, for fixed $(p, \phi)$, by $r^\alpha \cos\{\alpha(\theta - \phi)\} = p^\alpha, \alpha$ real ...