[robocup-humanoid] ?: One question about the position ofImagesensor.

[Jacky Baltes]

Hi,

I understand the concerns of Chew Chee and others.

However, when interpreting the rules you must follow the letter of the law
rather than the spirit as I am most painfully aware after last year's final
match.

Given the fact that the rule states "should" and the interpretation of
should as "is highly encouraged but NOT mandatory" is consistent with other
uses of "should" in the rules, I think the robot design that Team Osaka
showed in the image is legal for 2007.

CU,
   Jacky

On 2/3/07, Oskar von Stryk <stryk at sim.tu-darmstadt.de> wrote:
>
> Dear Chew Chee,
>
> On Sat, 3 Feb 2007, Chew Chee Meng wrote:
>
> > Dear Oskar
> >
> > Our main point is that if we want to put it down explicitly in the rule,
> > it should be enforced.  Otherwise, each team will start to breach the
> > rule and expect the organiser to waive it.  Also, other teams may use
> > the same case to justify their breach of rules, e.g. claiming that XX
> > team also did it last year.  And we think it is unfair to teams who
>
> I think if the rule in last year had allowed it (not matter what it is)
> and the corersponding rule had not changed it is obviously allowed this
> year also.
>
> Perhaps we are not talking exactly about the same.
> My concrete point is:
> We are using (almost) the same robot design in 2007 which we used in 2006
> and which was allowed in 2006 (with a camera in the chest and a camera
> in the head).
> The corresponding wording in the rule had also not changed.
>
> To me it seems that you want to ban the use of our chest camera now.
> In principle we can put our chest camera as well in the head
> but this needs some time for hardware modification.
> Such a request at this time would be higly unfair
> to any team which has already prepared their robots and software for
> the qualification under the above mentioned conditions.
>
> As I remember your robot had been using omnivision in 2006 which is much
> less human like than a directed camera in the chest as our robot never can
> see a ball in the back of it and must plan to search for the ball
> by coordinating vision and locomotion. This needs time
> and complex algorithms to do it efficiently. Therefore, more human
> like directed vision is a significant disadvantage to super human
> omnivision.
>
> Thank you very much for your understanding.
> With best regards,
> Oskar
>
> --
> Prof. Dr. Oskar von Stryk           E-Mail: stryk(at)sim.tu-darmstadt.de
> Simulation and Systems Optimization Phone:  ++49 (0) 6151-16-2513
> Technische Universitaet Darmstadt   Fax:    ++49 (0) 6151-16-6648
> Hochschulstr. 10                    http://www.sim.tu-darmstadt.de
> D-64289 Darmstadt, Germany
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>


-- 
Jacky Baltes, EITC E2-402 Department of Computer Science, University of
Manitoba Winnipeg, Manitoba, Canada R3T 2N2
Phone: +1 (204) 474-8838, Fax: +1 (204) 474-7609
Email: jacky (AT) cs.umanitoba.ca
http://avocet.cs.umanitoba.ca
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