Visual Searching
It’s not easy to get a computer to recognize Charley’s aunt — or your copy of Insurance and Risk Management in Commercial Leases, for that matter. Seems our visual cortex et al. do a rather marvelous job of making sense of photon streams. Thanks to ASCII and to some nifty OCR developments, words aren’t all that hard for the machines we live by, but people and objects are a tough nut that the computer world is working hard to crack.
There is, of course, the impetus provided by the U.S. Homeland Security’s wish to recognize the face of terrror when . . . [more]


