[OSM-dev] GSoC-Video based speed limit and roadsign detector and Request for videos of videomapping

Peter Rounce peter at rounce.me.uk
Mon Jun 4 19:55:21 BST 2012


While looking for photo/video + location info, I found this app which does
both on Android devices.
https://play.google.com/store/apps/details?id=ru.sitis.android.geocam&hl=en

Something like this may be useful to get good raw data?


Pete

On 4 June 2012 19:44, Toby Murray <toby.murray at gmail.com> wrote:

> On Sun, May 20, 2012 at 4:19 AM, Nikhil Upadhye
> <nikhil.spitfire at gmail.com> wrote:
> > Hello Everyone,
> >
> > I am Nikhil Upadhye. I will be developing plugin for JOSM for Video based
> > speed limit and roadsign detection as a part of Google Summer of Code
> this
> > year. I will be using OpenCV java bindings - JavaCV for video processing
> > purpose.
> > I have setup wiki page at following link
> >
> >
> http://wiki.openstreetmap.org/wiki/Google_Summer_of_Code/2012/Video_Based_Speed_Limit_and_Road_Sign_Detector_plugin_for_JOSM
> >
> > I would like to request mappers to share videos which they have recorded
> > for video-mapping. Variety of such videos will be required to test
> > and develop plugin. So it would be great if someone could share such
> videos.
> >
> > Any suggestions regarding project are welcome.
>
> I was going to reply to this earlier but didn't get to it immediately
> and now I've been gone for a few days. Just had a conversation on IRC
> that reminded me of this topic.
>
> I do have some videos that might be of use to you. They are time-lapse
> videos that I made using a GoPro camera mounted on my bicycle on some
> longer rides. Pictures were taken at 5 second intervals and then
> stitched into a 10 fps video. Any given sign is only going to be
> visible for maybe 2-5 frames, depending on how fast I was going.
>
> The videos are on youtube in 1080p, under a CC license so I think it
> should give you the option to download to a .mp4 file for local use. I
> also still have the original 11 megapixel stills if that would be of
> help.
>
> The two videos are here:
> http://www.youtube.com/watch?v=Q8I7H8qwtqI
> http://www.youtube.com/watch?v=h43tsSNqYRA
>
> I also have a shorter ride in the city that I did in full motion video
> with the camera mounted on my helmet and then sped up. It is kind of
> shaky. I could supply the original speed video if that would help. I
> believe it is only 720p.
> http://www.youtube.com/watch?v=pJ_OkzGBoek
>
> I'm doing Bike Across Kansas next week so I will probably be posting
> more similar videos in the future :)
>
> Toby
>
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