[FRIAM] Dancing Robots
Steve Smith
sasmyth at swcp.com
Sat Apr 3 12:46:44 EDT 2021
The "dancing" robots certainly are compelling to view, though I can see
why Gary asked if it was real or memorex (CGI)... there was enough
uncanny valley going on in their moves to make it clear that they were
following a prescribed choreography. The miniscule detail in the dance
moves is what I *think* makes it impressive. I am doubting that the
proportions and range of motion/etc of the robotic humanoids is as close
to humans' as implied by the constraints (in software, in choreography)
imposed.
I also wonder how much of this is essentially driven by something like
MoCap that is then tweaked to match the dynamical performance
envelope/constraints of the robot simulacrum? Or by derivation, ws
ther some kind of machine learning going on on a *suite* of human MoCap
data sets. Or is there a very capable cyber-choreographer who
implicitly understands the robot's "coupled impedance elements" in a way
that allows them to hack/hint/nuance the instructions down to this level
of performance?
Are these class of robots targeted for mission-spec autonomy or are they
more targeted to default to being Waldos with some self-driving constraints?
I haven't tracked whether the Laban Notation movement has actually been
useful to extend into robotic-motion... it starts to seem relevant once
humanoid Robots are presented dancing human-dances.
https://en.wikipedia.org/wiki/Laban_movement_analysis
The "impressive illusion" is that these Robots are responding to the
music itself and to one another (couples dancing) in a way that seems
highly doubtful. They appear to be merely very artful puppets with
wireless "strings". No small feat, bringing them to this point, but
the most interesting/impressive aspects are likely careful bit-chiseling
on the instruction sets.
> It would be more impressive if they were helping an elderly person go
> to the bathroom. Chasing a person in irregular terrain would be
> convincing too.
>
>> On Apr 3, 2021, at 9:00 AM, Gary Schiltz <gary at naturesvisualarts.com>
>> wrote:
>>
>>
>> Thanks for letting me know. In that case, it is truly mind blowing. I
>> had no idea robotic tech had come so far.
>>
>> On Sat, Apr 3, 2021 at 10:57 AM Frank Wimberly <wimberly3 at gmail.com
>> <mailto:wimberly3 at gmail.com>> wrote:
>>
>> Real!!
>>
>> ---
>> Frank C. Wimberly
>> 140 Calle Ojo Feliz,
>> Santa Fe, NM 87505
>>
>> 505 670-9918
>> Santa Fe, NM
>>
>> On Sat, Apr 3, 2021, 9:50 AM Gary Schiltz
>> <gary at naturesvisualarts.com <mailto:gary at naturesvisualarts.com>>
>> wrote:
>>
>> Serious question, since I didn't make it to vfriam yesterday.
>> With the advances in CGI these days, I don't know if this is
>> computer generated or real. Which is it?
>>
>> On Sat, Apr 3, 2021 at 10:02 AM Frank Wimberly
>> <wimberly3 at gmail.com <mailto:wimberly3 at gmail.com>> wrote:
>>
>> For those who haven't seen the video that was mentioned
>> in yesterday's meeting:
>>
>> https://youtu.be/fn3KWM1kuAw <https://youtu.be/fn3KWM1kuAw>
>>
>> Marc has accomplished a lot since this:
>>
>> * Raibert, M. H., Wimberly, F. C. 1984. Tabular control
>> of balance in a dynamic legged system. /IEEE Trans.
>> Systems, Man, and Cybernetics/ 14:334--339.
>>
>>
>> ---
>> Frank C. Wimberly
>> 140 Calle Ojo Feliz,
>> Santa Fe, NM 87505
>>
>> 505 670-9918
>> Santa Fe, NM
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