[Dprglist] AI controlled camera at soccer game

[Karim Virani]

My AI thinks I'm a mop. COVID hair.

Pretty much all visual object detection/classification neural nets require
a healthy number of non-positive examples. This looks like a fail in
exactly that - the body shape always being under the "ball" should have
lowered the probability if they had bald soccer players in the general set.
Though I guess photos of bald soccer players with extremely round heads
heading soccer balls could get a little fuzzy...

Anyhow, in our limited experience, the quality of the image database seems
to matter as much or more than the classification algorithm.

On Mon, Nov 2, 2020 at 6:13 PM David Anderson via DPRGlist <
dprglist at lists.dprg.org> wrote:

> As long as the players don't make the same mistake you'll probably be ok...
>
> My favorite part is when the ball gets kicked straight toward the
> lineman.  The camera moves very quickly and smoothly to track the path but
> ends up locked on the lineman's head when a player intercepts the ball.
>
> So for those of you more familiar with neural nets, is there a way to
> train it up on what not to recognize?   Sort of an inverse training?  Say,
> if the soccer ball is attached to a neck and shoulders, it's probablhy not
> a soccer ball?   Can you show it a bunch of pictures of things that are
> *not* soccer balls to improve it's recognition?
>
> cheers,
> David
>
>
>
> On 11/2/20 5:38 PM, Doug Paradis wrote:
>
> Same thing happens to me when I play lineman.
>
> On Mon, Nov 2, 2020 at 1:32 PM David Anderson via DPRGlist <
> dprglist at lists.dprg.org> wrote:
>
>> Evidently using an AI controlled camera that's supposed to follow the
>> ball but gets confused by the lineman's bald head.
>>
>> https://www.youtube.com/watch?v=9zoJP2FkpgU
>>
>> In fairness, in that lighting, his head does look a lot like the ball.
>>
>> cheers!
>>
>> dpa
>>
>>
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