back to article Japanese researchers spin up toilet paper gyroscopes for science

Japanese boffins have measured the spin-speed of toilet rolls to work out who's on the loo. The idea, apparently, is that because a throne is a good place to collect health monitoring data, the researchers wanted a reasonably non-invasive ID technique. One that wouldn't get bogged down in the obvious privacy issues of trying …

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Oh crap

another loss of privacy. I'll get my coat, its the one with stained hem at back...

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Anonymous Coward

Re: Oh crap

Will have to start carrying your own roll when out and about.

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Re: Oh crap

I wonder if this would be caught under GDPR...privacy impact assessments, anyone? :)

"This is my toilet roll spin rate - what do have on me? "

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Re: Oh crap

PHBs and bean counters around the world rejoice at the opportunity to charge back their staff for "excessive" bog roll usage.

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This post has been deleted by its author

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And so...?

Assuming this can be made into a reliable algorithm that works with more than half a dozen people to choose from... exactly what do they plan to infer from this "health monitoring data"?

Personally, I'm pretty sure the amount of paper I use varies quite a bit between visits. According, y'know.

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Anonymous Coward

Re: And so...?

exactly what do they plan to infer from this "health monitoring data"?

Identify the 3 x 10 sheet-at-a-time wipers that keep clogging up the toilet? As they already have a Bluetooth device there they could also ID the BT signature of their phone and log how much time they spend dumping core (sorry Linux users :) ). I bet Sports Direct would pay for that sort of data.

Just a few ideas.

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Re: And so...?

Management everywhere are currently waiting with bated breath for the results of a larger study. Once that's in, they can mandate how much paper you're allowed to use and how often you can use the facilities. And it will all be done in the name of "efficiency" to weed out the malingerers. Oh.. and more profit from the savings on paper and employee time wasted on the porcelain throne.

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Re: And so...?

Sadly, having an arse like a nearly empty jar of marmite means I can go through quite a bit.

And not that crappy quilted stuff either. Instant finger-tu-tu with that stuff.

Never happened with IZAL.

Now wash your hands!

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This is hilarious

Never in a million years would I have thought you could identify people this way, but it makes sense. Bravo to these researchers.

I have no idea what use personally identifying people on the toilet is, but given that this is Japan, maybe they are developing a toilet that will check the 'contents' as you flush to see if you have colon cancer, kidney disease or other conditions that may be detectable via your #1 and #2.

I guess if it figures out you have something wrong with you, the next time you snag some toilet paper a voice will come out of the toilet "please check with your doctor, you may have colon cancer!" That surprise toilet voice would be good for people suffering from constipation!

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Re: This is hilarious

But if they're suffering from constipation, there's nothing going down the pipe for analysis, so they won't get a surprise voice as a result!

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Re: This is hilarious

Boss: Why aren't you working yet? It's after 11!

Me: Well, I had a bacon and egg roll when I got in, but I'm still stuck trying to log in

It's like I stopped maturing at age 9

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Re: This is hilarious

Amsterdam (only place I've seen em) has a flat shelf that your poo sits on before you flush so you can actually see if there are issues, blood, worms, god knows what else.

I suppose some people are to prudish to see what comes out of their nether regions.

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If the article hadn't mentioned the nationality of the researchers ...

... how many of all y'all would have correctly guessed?

I'm guessing near 100% ...

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Re: If the article hadn't mentioned the nationality of the researchers ...

50/50 chance Japanese/German, I'd say.

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Anonymous Coward

Re: If the article hadn't mentioned the nationality of the researchers ...

Do German toilets still have that little ledge so you can inspect your faeces before flushing?

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Re: If the article hadn't mentioned the nationality of the researchers ...

You still find the lovely ledges[TM]. Increasingly uncommon, though. Have not seen a single one in newly installed toilets for many years.

Porcelain icon ------------->

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Re: If the article hadn't mentioned the nationality of the researchers ...

I've seen those Lovely Ledges, most disturbing.

Also, obligatory Simpsons.

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Go

Does it account for which way the janitorial staff put the roll on (which seems random here)? Will it report me as a pedant for always turning the 'backward' rolls the 'right' way around?

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No but it will tell you that you're being anal.

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I was wondering the same thing. I always turn the roll the correct way out, so the paper hangs furthest from the wall.

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@Number6

It's the civilized way to live!

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Re: @Number6

Unless you've got cats. Then it's paper down the back.

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MrT
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Cats...

... That's a good point - I doubt feline-related variations have been factored into all this.

1-2 sheets : tiddle

R(s) sheets, where R is the remaining sheets on the roll, and s is the likelihood that the roll is almost full before the incident (scaled from 1 to 0) : Tiddles

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Anonymous Coward

Re: Cats...

"[...] where R is the remaining sheets on the roll, [...]"

It could be an Andrex puppy.

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Re: Cats...

When you hear a six or seven year old child calling out "Mum!" from the toilet, you

(a) know the Andrex puppy has had it away with the loo roll

(b) and think "Hang on! But I don't have an Andrex puppy. Or kids!"

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Tail goes in back.

Then folding toward oneself puts the dimples on textured paper to the outside, and who wouldn't prefer dimples on their bum to pimples.

Practically, dimples also catch and hold more "material".

Also if the installer is a clutz (not looking in any mirrors), a roll with the tail to the front will snag on protruding screw heads when pulled with any vigour.

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Re: @Number6

Dogs also. We had one that loved to spin off the whole roll every chance she got.

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Papering over the crack

"Then, the system identifies the user with the feature values.”

followed by:

"And the authors say it's privacy-protecting, ..."

What??

Have they made sure it can deal with negative rotation values, for those people who pull too hard and then have to rewind it (or like Lae Ming above)? If not, then the software could have some kind of dump and an overflow problem so things could get wiped.

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Boffin

Re: Papering over the crack

Error: Excess Rotation. ... Did you just get a new kitten?

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Re: Papering over the crack

"You appear to be using a lot of toilet paper. Would you like some help with that?"

-Crappy

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"In the laboratory environment, someone whose habit was to pull on the roll four times would be correctly identified 92.5 percent of the time."

But surely, the amount of paper used is a variable? (Maybe not for #1s, but certainly for #2s.)

Also, there would be a lot of other parameters to be taken into consideration. This week's menu in the cafeteria. Make of the toilet paper, especially when procurement keeps changing it. Office parties. Hayfever season(s). Holidays associated with typical foods. And so on. We're deep inside non-linear territory here.

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And then some clever bastard adds Picolax to the canteen food (This link is not safe for work)

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Coat

Science my arse!

Izal know what's going on.

This is about who's stealing the loo roll

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プライバシーを守るって

さー、俺のちり紙の使い方のビデオを見たら、俺が誰かを必ず認めるに違いない。

プライバシーって、俺の穴だよ。

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Anonymous Coward

Re: プライバシーを守るって

私たちは愛する人を見知らぬ人ではありません。 あなたはルールを知っていて、私もそれらを知っています。 私が考えているのは完全な約束です。 あなたは他の男からこれを取得しないだろう。

私は自分の気持ちを伝えたい。 私はあなたに理解させなければなりません。

あなたをあきらめることは決してありません。私はあなたを失望させません。私は決して逃げず、あなたを捨てません。 私は決してあなたを泣かせません、私はさよならを言うことはありません、私は嘘をつくってあなたを傷つけることは決してありません。

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Trollface

Re: プライバシーを守るって

Well trolled!

Since you can't as AC, allow me. --->

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Re: プライバシーを守るって

Well done, sir. Well done. 善哉!

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Anonymous Coward

Privacy really is going to shit these days,

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"Pervasive Smart Living Spaces" PerLS 2017

So they really are planning to start crawling up my a**se.

Yet another gadget for the IoT.

Yet another candidate for the IgNobel Prize.

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Never mind the health monitoring; if this can correctly attribute the blame to which of my kids uses up all the toilet paper, then sign me up.

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Anonymous Coward

Presumably the length is calculated by dead reckoning based on a reset when the roll is changed. It could use a speed step change to indicate a new roll is being started - or possibly different axis accelerations indicate the roll is being changed.

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The bog-roll manufacturers could talk to printer manufacturers about software that insists that a fresh roll is empty ...

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Or maybe targeted ads and help the bottom line (so to speak) by offsetting the paper cost, etc.

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FAIL

"One that wouldn't get bogged down"

Yup, confirmation that I'm reading elReg again ...

So, an internet connected bog roll gyroscope - totally secure of course.

Will they be providing a couple of power outlets so I can bring in my smart toaster and fridge freezer with me to the karzy so that they can all discuss the results and alter my diet for me?

Seriously, considering the amount of smart rubbish many idiots seem to carry about with them the opportunities for data mining and mischief must be endless.

FAIL.

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"The paper was put together for a Pervasive Smart Living Spaces workshop"

That's an odd way to spell "invasive".

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Obligatory youtube

https://www.youtube.com/watch?v=MkrKkBhsMiA

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Is it proper science or are they just going through the motions?

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I smell an IgNobel prize coming out of this!

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Another thing to worry about

Please wait, your toilet is being upgraded to the latest in defecation experiences...

Nearly there....

PLEASE WAIT, PLEASE - oh dear.

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