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[DPRG] Robot Vision Test

Subject: [DPRG] Robot Vision Test
From: A. Scientist angryscientist at gmail.com
Date: Sat Feb 27 08:10:34 CST 2010

and further, the 3rd dimension should be covered by the 2nd camera, so
tracking the lights would be a good option.

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

> 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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