One of the more interesting things I have wanted to do
with the camera in an iPad/iPhone is using it to read wire
colors. The problem is that many wires are not one simple color.
In an Ethernet cable, for instance, there are 8 wires that are
colored in such a way as to allow a technician to tell which
lead belongs with it's mate making for four pairs. As one
example, the first pair is called "blue-white" and consists of
one lead which is mostly blue with little wite thready spots
like dashes printed in the insulation. It's mate is white with
little blue markings against the white background. There is
another pair that is green and grey and so forth.
An OCR program probably couldn't help you much because
these are not characters but a pattern-matching program probably
could do it if you could show it only one wire at a time.
Has anybody done this with any success?
By the way, the real monster in this problem is that
wires inside of equipment are in all sorts of places and bundled
tightly making it hard to isolate one out of, say, 15 or 20 or
lots more. I have seen the wire bundle coming out of a relay
rack at our local telephone exchange. This bundle was about the
size of a pair of legs and probably had 4800 strands in it. The
color scheme repeats itself indefinitely and then the whole
rainbow goes in to a sheath of some color pattern along with
other small bundles in their sheaths of different colors and
that's how they do this on a huge scale.
The camera on an IOS device would probably be able to
see lots of wires at once but the job would be to isolate the
one to identify and ignore the rest.
Martin
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