[robocup-small] SSL Vision System!!

[Andre Ryll]

Seriously, why not change the standard patterns? Although we just tested 
SSL Vision on a smaller experimental field, we experienced similar 
problems (using the recommended AVT Stingray camera).
Changing the pattern should be no problem. Robot covers should be 
flexible enough to change the pattern and SSL Vision can just be fed 
with some new patterns.
Our team is not participating in 2010, but I wanted to state that 
comment as it seems to be a major problem. That should also facilitate 
the work for 'Vision Experts'.

Regards,
Andre Ryll


Am 30.01.2010 00:46, schrieb Christopher Head:
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> It looks like the league standardized on patterns that are identical in
> rotation except for a very small difference in angle between the front
> dots and the back dots (specifically, you are seeing IDs 3 and 5). IDs
> 0 and 4 are also identical in rotation, as are IDs 2 and 6 and 1 and 7.
> It's a bit disappointing that this decision was made; although a team
> of vision experts at the competition will certainly be able to
> configure SSL-Vision to differentiate between these patterns, those of
> us who are not vision experts and who do not own ultra-high-end cameras
> or who do not have a testing area with perfect lighting will be faced
> with significant difficulties setting up testing fields (this is why, at
> Robocup 2009, our team used patterns with three colours—it is possible
> to make them unique in all rotations). Jitter and blur was bad enough
> for us when just detecting colours; detecting angles will make it
> horrific (please remember that many of us have trouble finding space to
> set up a field of the required size, and that the areas we can find may
> be lit by e.g. fluorescent lighting).
>
> Organizers: do you have any recommendations? If we test using illegal
> patterns locally, we may not see these problems only to be faced with
> them at the competition. If we test using the standard patterns
> locally, we may spend a lot of time and effort trying to solve these
> problems, only to discover that they never happen at the competition
> due to the skill of the vision experts, quality of the cameras, and
> level of lighting.
>
> Thanks,
> Christopher Head
> UBC Thunderbots
>
> On Fri, 29 Jan 2010 18:07:11 +0800
> Yusuf Pranggonoh<YUSUFP at SP.EDU.SG>  wrote:
>
>    
>> Hi,
>>
>> We having a problem with the SSL Shared vision when detecting the ID
>> of the robot.
>> The ID of the robot is swaping. We had used the recommended ID
>> assignment (0-7) as in the rules of SSL 2010.
>> The attached file is our screen shot of the vision server.
>>
>> (See attached file: Screenshot-1.png)
>>
>> Is there any setting that we set wrongly?
>> Your quick advice is appreciated.
>>
>> Regards,
>> Yusuf Pranggonoh
>> Advanced Robotics&  Intelligent Control Centre (ARICC)
>> Singapore Polytechnic
>> Telp: +65 6870 8205
>> Email: yusufp at sp.edu.sg
>>
>>
>>
>>
>>      
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