[757labs] Augmented Reality Indoors?
snelson at webapper.com
Tue Sep 13 15:12:31 EDT 2011
Check it out.
I'm going to add some interior walls to the sketchup version. Does anyone
have a camera that can do panoramic pictures?
On Tue, Sep 13, 2011 at 1:17 PM, Steve Nelson <snelson at webapper.com> wrote:
> That's exactly right. I've been goofing around with that a little this
> morning. Getting the exact coordinates is a bit tricky because each of their
> different views is off by a tiny bit. But I don't think it'll matter much.
> Incorporating two floors will be a little hard too.
> On Tue, Sep 13, 2011 at 1:07 PM, Trevor Lewis <trevorl.salad at gmail.com>wrote:
>> Hmmm, actually, I think that's an easy one to solve. Find the coordinates
>> of the outer extents of the building/space, and do a little creative
>> division. I think my phone will pull down 7 or 8 digits of precision for
>> GPS. It should be straightforward to splat that into an grid, and overlay
>> the floorplan of the lab right on top of that. It won't be perfect,
>> longitude is variable, but for the purposes of mapping a space it should be
>> just fine.
>> On Tue, Sep 13, 2011 at 12:33 PM, Steve Nelson <snelson at webapper.com>wrote:
>>> I knew someone would know how to do it! You should come in sometime and
>>> hook up with one of the Android developers. I bet after a little tinkering
>>> you could get something to work. If you/others can produce a GPS coordinate,
>>> I'll give you a way to plug it into a google map that zooms beyond 21.
>>> On Tue, Sep 13, 2011 at 11:58 AM, Trevor Lewis <
>>> trevorl.salad at gmail.com> wrote:
>>>> I'll start off by saying "Hi!" I've been following the 757labs exploits
>>>> for a while, and just haven't had a chance to make it to one of the open
>>>> house events. Anyway...
>>>> This is an idea I've spent a lot of time thinking about. Wifi is an
>>>> abysmal way to map a space, too much noise, too many things to degrade the
>>>> signal. If I were forced to do it I think the easiest way might be to use
>>>> multiple routers blanketting the same area at different frequencies. A
>>>> network of small circuits, sensitive to each frequency, will allow you to
>>>> determine the relative strength of the transmitters at a particular
>>>> location. A person walking through the space is going to occlude
>>>> transmitters and receivers, changing the map of the RF in the room. I just
>>>> don't know if a person is going to make a large enough occlusion that it can
>>>> reliably be detected. Honestly it's just a reallllly cool smart motion
>>>> sensor, or an excuse to wear tinfoil hats. :)
>>>> Some issues would be gathering the data from the receivers, and turning
>>>> that into a map. You're also not going to be able to reliably tell the
>>>> orientation of the person moving through the space. It's a safe bet most
>>>> people will be facing the direction they're moving, but y'all could be
>>>> throwing a moonwalking competition or something.
>>>> Have you thought about using something like the edge-finding algorithm
>>>> that Goggles uses? It's actually a really good at what it does, and would be
>>>> even better if you could make Goggles not search Google, and just work from
>>>> a limited data set consisting of patterns built from the lab space.
>>>> The ADK is also an easy way to marry external sensing with a phone. I
>>>> had it set up and working when it was first released, but got distracted
>>>> with other projects before I got it to do anything more interesting than run
>>>> the sample/demo code.
>>>> 757labs mailing list
>>>> 757labs at 757labs.org
>>>> If we knew what we were doing it wouldn't be research.
>>> 757labs mailing list
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>>> If we knew what we were doing it wouldn't be research.
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