[OSM-dev] Fwd: [GSoC] A GPX photo stamper.

Tom Evans tom_evans_a at yahoo.co.uk
Fri Apr 3 12:05:45 BST 2009

Matt Amos wrote:
> sounds awesome!


If this could work off a straight-angle photo, but with only a 
mobile phone camera, that could be pretty nice to work with.


> cheers,
> matt
> On Fri, Apr 3, 2009 at 11:33 AM, Tijs Zwinkels
> <openStreetMap at tumblecow.net> wrote:
>> So, I've decided to take on this project. :)
>> I'm currently writing my proposal, which I'll post to the wiki and submit at
>> the GSoC site in 1 ~ 2 hrs time. (let me know if you want to see the
>> intermediate versions, I can just post to the wiki whatever I have already)
>> Just bouncing a few last ideas, mainly to define the scope of the project:
>> - I've decided to focus on the automatic reading of street signs, and not
>> specificly on the recognition of other items in the environment. However,
>> one of the most challenging parts of this project is to segment street-signs
>> from images succesfully, and I'll be using SIFT (among other things) for
>> that. I fully expect the toolset that I develop to be very useful in
>> recognizing other objects as well.
>> - Since street-signs look differently in different parts of the world, for
>> now I'll just try to automatically read dutch street-signs. I think this
>> will give me enough variance to struggle with for now. :) - ofcourse, it
>> shouldn't be hard to adapt this work to foreign street signs.
>> - There is a large difference between whether the software should be able to
>> catch and read street signs that just happen to be in a picture, or whether
>> people took a picture with the intention of capturing a street sign. (by
>> which we would view the sign from a relatively straight angle with a
>> reasonably high resolution, not too much reflection, etc)
>> For now I'll assume the latter case. If the performance is reasonable, we
>> can always scale up to the more difficult cases.
>> - Tijs Zwinkels
>> On Thu, Apr 2, 2009 at 11:40 AM, Tijs Zwinkels <openStreetMap at tumblecow.net>
>> wrote:
>>> On Wed, Apr 1, 2009 at 5:31 PM, Matt Amos <zerebubuth at gmail.com> wrote:
>>>> On Wed, Apr 1, 2009 at 4:23 PM, Stefan de Konink <stefan at konink.de>
>>>> wrote:
>>>>> I think stitching is something that is lets say 'available',
>>>>> referencing
>>>>> images is too. But I would really love to see some thing like robust
>>>>> automatic traffic sign recognition, or maybe even streetname OCR.
>>>>> Ambitious but certainly doable. And don't forget, these are things that
>>>>> are not yet available on current camera's and DO require manual labor,
>>>>> so
>>>>> lets see what can be automated.
>>>> automatic traffic sign recognition and streetname OCR - that would be
>>>> immensely cool!
>>>> certainly seems doable. google must be doing it for their automatic
>>>> blurring on streetview. also, http://evernote.com/ has similar ideas.
>>>> cheers,
>>>> matt
>>> This sound very neat, but ofcourse there is 'google-doable' and then there
>>> is 'Tijs-in-three-months-doable'. ;)
>>> I'm currently going through literature and the links to see if this seems
>>> feasible. if so, I'll submit a proposal.
>>> I'll be lurking on #osm to bounce the occasional idea.
>>> - Tijs
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