OT? Leap Motion

[vinot]

Hi all,

just noticed about this:

https://live.leapmotion.com/index.html

Btw, what's TBD?

toni ventura

[Longman]

Its short for "to be determined".

Sounds really interesting but unfortunately they do not reveal the technology behind it. And since they don't ship it yet, we'll have to wait some months for first reviews. It's quite cheap though.

[Alex Yang]

here's a post on quora..
The technology behind this may be electric field sensing..
http://www.quora.com/Leap-Motion/What-is-the-technology-behind-Leap-Motion

best regards.

[jeff kramer]

The company revealed in Business Week that it runs on 3 cameras.

- Jeff Kramer

[Alex Yang]

thank you ..Jeff..
the founder is  a Really amazing and talented guy ..

[Florian Echtler]

2 brief questions:

- Does anyone have more information about the range? They claim 8 cubic
feet of detection volume, so something like 2 feet in each direction
sounds reasonable, but I'm rather assuming a cone-shaped volume...?

- Any additional news about their developer program? I'd love to get my
hands on one of these before the official release... :-)

Florian

--
SENT FROM MY DEC VT50 TERMINAL

[jeff kramer]

I think you can still apply for the developer program?  I know that I did when it first dropped.

I don't know anything more about the range sadly. =/

-Jeff

[vinot]

well, if three cams are used, I'm sure that they are looking at one
cloud of points...

On 28 mayo, 13:39, Alex Yang <alexyang...@gmail.com> wrote:
> here's a post on quora..

> The technology behind this may be electric field sensing..http://www.quora.com/Leap-Motion/What-is-the-technology-behind-Leap-M...

[Dan Duque]

Just FYI. this technology has been taken from me......visit www.forcexmultiplier.com for the same thing but bluetooth for 10 bucks less. If you buy a sonic mouse, you will get Sound Pixel for free. as well as control all your phones and pcs. click technology.

[Dan Duque]

the technology is ultra sonic frequencies. gestures are easy because the ultra sonic sound wave can pinpoint if your fingers are opened or closed, based on sound or no sound. which makes it faster than the kinect. it also allows you to peer roughly 3-5 inches beneath your skin. it's part of my Ech0.1 Technology which originally used a kinect and a hacker chumby board, but the chumby has been replaced with the allwinner A10 and the kinect has been replaced with 1080p HD cameras

[jeff kramer]

Dan -

That sounds... amazing!  Sadly, your website is super hard to navigate or understand.  Can you show a whitepaper or example of using the technology?

Thanks.

-Jeff

[Dan Duque]

@jeff: i'm in the middle of perfecting the site it's really only viewable on firefox or an iPhone or iPad. I'm working on ie and android versions of the site as well as the sound pixel app for android and iPhone. I don't understand how they got it, but the Leap Motion stuff works the exact same way the sonic mouse does except its modification of the right click(but i am unwilling to talk about it until i release the app). so in essence you've already seen it working. Just click the big technology button on the right, the rest is advertising for my tricorder X-prize submission. Since i work by myself, you're just going to have to wait not too long hopefully(1-2months). I'm considering a developer package also let me know if you guys are interested. What exactly is hard to navigate about it? I know it's not like a normal site, it's not meant to be. please be specific. there are only 3 links in total and they pop up over the main site.

[Kelly Anderson]

I popped up all three in Firefox, and found no usable information. No
white paper, no order form, no contact us, no technology overview, no
video. Nothing.

If you want to outsource your website development so you have more
time to focus on your core stuff, contact me off list.

-Kelly

[Dan Duque]

 If you are using firefox, please read the cube you can navigate it using the keypad up down left or right. Ech0.1 is not for sale, the buy it now buttons under the product names after clicking technology admittedly could be a little more clear. i'll post more on the sonic mouse later this week, keep checking the site....is anyone else having the same problems as kelly?

dan

[Murilo Saraiva de Queiroz]

I also tried to understand what your project is, and found the same problems described by Kelly. 

BTW, Leap uses three cameras, it's an optical solution, while yours uses ultrasound. Even if the results are similar the implementation certainly seems very different, so I don't know if it's adequate to say "this technology has been taken from me".

Murilo

On Mon, May 28, 2012 at 8:25 PM, Dan Duque <dan.freel...@gmail.com> wrote:

 If you are using firefox, please read the cube you can navigate it using the keypad up down left or right. Ech0.1 is not for sale, the buy it now buttons under the product names after clicking technology admittedly could be a little more clear. i'll post more on the sonic mouse later this week, keep checking the site....is anyone else having the same problems as kelly?

dan

--
Murilo Saraiva de Queiroz, MSc

Hardware Engineer at NVIDIA

[Alex Yang]

Dan ,
I think the guys want to get  more information about your sonic mouse.. videos or pictures ...
Rather than a site adapted to be browsed with your device...
your site is really cool nevertheless...
Could you make a video of your sonic mouse ?


Best Regards.
Alex .

[Lorne Covington]

Way back when (like on Windoze 3.1 and a 386) I used something called a "ring mouse" (NOT the device Genius is now selling under that name).  It was a small ultrasonic emitter you wore on your finger like a ring, and there was a small frame with three mics that fit on the corner of your monitor.  You could use it like a mouse by moving your hand in front of your CRT, and there were a couple of mouse buttons on it you could actuate with your thumb.  I liked it because you could get full XYZ info from it, it had very natural tactile feedback via real buttons, and you did not have to lift your hand far above the keyboard to use it; but it was a commercial failure.  (I still have it around here somewhere...)

So frankly, I don't really see how the Leap device is a real improvement - it's lacking any tactile feedback.  Sure, this tech is fun to play with, but I don's see any of it really replacing contact interfaces, just augmenting them.  And until ways to use them can be developed that don't involve constantly shifting from a tactile interface device to gesture, and that provides arm/hand support, I think they will remain niche devices.  I've been doing work and experimentation with hand/arm/body gestural interfaces for over three years now, and the number one problem is people's arms get tired after anything but short sessions.

So cool tech, but the hard work on how to use them in truly "natural" ways is still yet to be done - despite the "NUI" label, for humans interacting with something without touching it is actually quite "unnatural".

Ciao!

- Lorne

[Murilo Saraiva de Queiroz]

Ultrasound for xyz tracking was also used in the Nintendo Power Glove, back in the 1980s. 

muriloq

[Dan Duque]

When i first saw the leap whenever it showed up.... it looked strikingly similar to the stuff i'm working on with Ech0.1 my qualcomm tricorder device, i don't mind competing, as i believe theirs will have no relevance when i'm satisfied with my testing.

@lorne, the sonic mouse will include haptic feed back and a special adapter that i made that gives you google glass type viewing of your cell phone. mull this over and look at the date closely. http://www.youtube.com/watch?v=wee6WxN9Aso&feature=g-upl ....i can't find anything on the device you described, the closest i got was this...http://www.gizmag.com/go/7293/

until the haptic feedback is working on the smaller model i will not be showing anything in video form but i do have something planned for the product release shortly after June 5th. i perfer working alone, but i will be working on a Phone Dev package. with all my source (IOS, Android)for $65.00US and will include the quantum glass viewer and the RCSonicMouse with every package on June 5th 2013 available at www.forcexmultiplier.com along with pictures and video tutorials.

this is the closest to what my product is but replaced with a microphone instead of the optical sensor mine is smaller. http://www.gizmag.com/airmouse-wearable-mouse/13993/

Thank you
Dan

[GUNNM]

Michael Buckwald, fundeur and president of Leap Motion said that it's
based on IR camera. So, it's seems to be almost the technology of the
kinect.
Big difference is in the lens, and so the field, others could be
pointless or not : 3 cameras and an IR led for the Leap instead of 1
camera and a laser IR for the Kinect.

On 28 mai, 13:39, Alex Yang <alexyang...@gmail.com> wrote:
> here's a post on quora..

> The technology behind this may be electric field sensing..http://www.quora.com/Leap-Motion/What-is-the-technology-behind-Leap-M...
>
> best regards.

[jeff kramer]

Yeah - an IR illuminator rather than structured light.

That makes sense given the black plastic over the top of it - invisible to IR.

-Jeff

[vinot]

..and the cloud of points :)

well, we can call it NUI or whatever. More important are uses that
people are giving them. Till now, and with amazing results, we have a
digital scanner that lot of people are using (rgbdemo or reconstructme
are just two examples).

regarding differences with kinect, definetly 3 cams add mooore
accuracy, nice step.

let's see if they will use freenect or something similar (I have
applied for a developer but till now no news). otherway should call
marcan

toni

toni

[Mohamed Ikbel Boulabiar]

On Wed, May 30, 2012 at 4:23 PM, jeff kramer <jeff...@gmail.com> wrote:

Yeah - an IR illuminator rather than structured light.

That makes sense given the black plastic over the top of it - invisible to IR.

Does anyone know what are the possible resolution spaces of hands/object points ?

I'm thinking if it's a vision based system, then the raw data may be transformed to an other space where the resolution is easier.

(I've only used "Fourier Transform", but leapmotion may use other ones in their case)

Any hints ?

i

[Mohamed Ikbel Boulabiar]

On Tue, Jun 5, 2012 at 2:45 PM, Mohamed Ikbel Boulabiar <boul...@gmail.com> wrote:

Does anyone know what are the possible resolution spaces of hands/object points ?

I'm thinking if it's a vision based system, then the raw data may be transformed to an other space where the resolution is easier.

(I've only used "Fourier Transform", but leapmotion may use other ones in their case)

It's Fourier Domain.

http://goo.gl/3EOXU

i

[Alex]

hi

 if you know leap motion, well this is an open source leap:
http://www.kickstarter.com/projects/c...

leap does not provide point clouds, but this will

if you back up, you can reply with +1