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[DPRG] Robot Vision Test

Subject: [DPRG] Robot Vision Test
From: A. Scientist angryscientist at gmail.com
Date: Sat Feb 27 08:08:59 CST 2010

Also im pretty sure Ron wrote some pretty good machine vision in delphi if I
recall correctly.

On Sat, Feb 27, 2010 at 8:08 AM, A. Scientist <angryscientist at gmail.com>wrote:

> DING DING DING "the choppers have blinking lights."
>
> Think wiimote. Much easier, but i'm not sure how you will capture the 3rd
> dimension. You could also paint the helicopters a bright color which would
> likely aid blob/whatever detection.
>
> Also, if roborealm is too bulky start looking at other peoples code and
> adapt it.
>
> http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1240249532
> http://www-2.cs.cmu.edu/~jbruce/cmvision/
>
>
> On Sat, Feb 27, 2010 at 1:06 AM, vincent lopresti <
> spaceminers2010 at yahoo.com> wrote:
>
>> well, it all depends on how good i can get with roborealm. it has
>> functions for motion detection, color filtering, shape recognition, etc. the
>> more functions i add the slower the response time will be. one idea is to
>> stick tracking dots on the choppers making it easy to see despite all the
>> background clutter. pinstriping the walls with a grid pattern might help.
>> the choppers have blinking lights. it might even be possible to use that as
>> an alternative tracking method.
>>
>> are there any high speed webcams? maybe 50-100fps??
>>
>> robotrock =]
>>
>>
>> --- On *Fri, 2/26/10, Rud Merriam <k5rud at arrl.net>* wrote:
>>
>>
>> From: Rud Merriam <k5rud at arrl.net>
>> Subject: RE: [DPRG] Robot Vision Test
>> To: dprglist at dprg.org
>> Date: Friday, February 26, 2010, 10:45 PM
>>
>>
>>  I've been working with RoboRealm for obstacle avoidance in the last
>> couple weeks. Got side tracked by a bad cold but starting to get back to it.
>> Also did got the robot to follow a red dot, like a leash. Finding open paths
>> is a real challenge, I'm finding.
>>
>> Are your helicopters going to be in an open room with blank walls? Or will
>> the rooms have stuff (furniture, columns) in them? Will the walls have
>> ornamentation (pictures, molding)? If the latter cases are true I think the
>> biggest obstacle is going to be finding the helis in all the visual clutter.
>>
>>
>> Can't help with the IR transmitter. Depending on the coding you might be
>> able to use a USB to TTL Serial converter. Drive the IR from the serial TX
>> line. The challenge there is that the start and stop bits mess up the signal
>> but, again, depending on the IR sequence they might fit into the sequence.
>>
>>  - 73 -
>> *Rud Merriam K5RUD*
>> ARES AEC Montgomery County, TX
>> *http://mysticlakesoftware.com/*
>>
>>  -----Original Message-----
>> *From:* vincent lopresti [mailto:spaceminers2010 at yahoo.com]
>> *Sent:* Friday, February 26, 2010 10:32 PM
>> *To:* dprglist at dprg.org
>> *Subject:* [DPRG] Robot Vision Test
>>
>>   i am attempting yet another "off-the wall" idea. I'm not that good at
>> flying indoor mini r/c helicopters and keep hitting walls. [i have very
>> limited dexterity] so, I'm hooking up 2 web cams and an IR transmitter to my
>> PC along with a trial version of roborealm.
>>
>> the idea is simple, move helicopter to 1/2 height of room, "stay off the
>> walls", land on designated spot. i have spent weeks just looking and
>> experimenting with all of roborealms extensions. it has lots of popular
>> robots, motor controllers, cameras, FM & IR transmitters, etc already in the
>> list. it has every possible filter, function, process, detection, analysis
>> you can imagine and more. there are so many options that i am now lost at
>> which way would be the best, efficient, fast, effective way? might make for
>> a neat contest. [are there other programs like roborealm?]
>>
>> the only other difficulty i see is running 3 helicopters at once using one
>> PC controlled IR transmitter. are there any super duper usb to IR
>> transmitters that do everything? is it possible train the system to quickly
>> poll the channels A, B, C [I'm using www.airhogs.com] or would i need 3
>> transmitters?
>>
>> either way, 3 helicopters + 2 web cams + 1 PC*roborealm = AirBot Ballet
>>
>> RoBoTrOcK =]
>>
>>
>> -----Inline Attachment Follows-----
>>
>>
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>
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