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Wale Bakare
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Re: Non-flat surfaces
Wale Bakare   7/20/2014 12:23:44 PM
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>>This technology may easily be used in designing touch-based non-flat surfaces like a mug or a pen<<

You are right.  I hope it would be really nice having the technology in more application areas, and other temperature measuring things.

 

t.alex
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Re: Re : Wearables Get a New Interface
t.alex   7/2/2014 9:41:36 AM
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TaimoorZ, the Samsung tablet can recognize it when you just start moving the stylus nearer to the screen, and will show up a small dot as a guide of where the stylus is point to.

TaimoorZ
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Re: Re : Wearables Get a New Interface
TaimoorZ   6/28/2014 5:16:28 AM
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"Pretty interesting idea! Is it possible to recognize the object without even touching also?"

@t.alex: Yes, I have seen touch technologies where the surface of the screen does not need to be touched. Instead, the sensor is able to detect the finger as soon as it moves close to it. However, when you're talking about wearable technologies, that doesn't apply. The object has to be part of the natural environment and hence needs to be "touched" like any other normal daily-life object.

t.alex
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Re: Re : Wearables Get a New Interface
t.alex   6/26/2014 6:41:21 PM
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Pretty interesting idea! Is it possible to recognize the object without even touching also?

Hailey Lynne McKeefry
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Re: Re : Wearables Get a New Interface
Hailey Lynne McKeefry   6/26/2014 1:37:05 PM
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@Daniel, thanks so much for explaining that. It's so interesting, and so much more complex than I ever imagined. The devil is always in the details, isn't it?

TaimoorZ
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Re: Re : Wearables Get a New Interface
TaimoorZ   6/25/2014 3:30:15 PM
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". In fact there are also some people whose fingertips are cold, and they leave a cold trace after touching surfaces at room temperature"

@Daniel: It might sound like a very naive question, but don't the fingerprints left behind create a problem for the sensor? Do you have to clean them up after every use?

TaimoorZ
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Supply Network Guru
Non-flat surfaces
TaimoorZ   6/25/2014 3:22:00 PM
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@Daniel: Interesting invention I must say. I think this will be particularly useful in designing touch-based surfaces that are non-flat. Currently, the touch screens are only available in a flat format and that puts up a big restriction. This technology may easily be used in designing touch-based non-flat surfaces like a mug or a pen.

Himanshugupta
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Re: Re : Wearables Get a New Interface
Himanshugupta   6/25/2014 2:53:08 PM
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I think that infrared imaging has this huge limitation of false identification, background noise, saturation, delta-Temperature sensitivity etc. But as already in use, such camera can be a good ad on when most of the other sensory inputs fail. I think that there are some research groups working on superconductor detectors which can detect a single phonon so basically IR cameras with super high sensitivity. These devices will sure push the applications to new boundaries.

Daniel Kurz
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Re: Re : Wearables Get a New Interface
Daniel Kurz   6/25/2014 11:07:27 AM
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Tirlapur, that's a very good question. Our current prototype assumes that the temperature of the surface is lower than the temperature of the fingertip.

Conceptually, however, it's only important that there is a difference in temperature between the finger and the surface -- it doesn't really matter which one is warmer than the other. In fact there are also some people whose fingertips are cold, and they leave a cold trace after touching surfaces at room temperature (~25 degrees Celsius).

We also have constraints on the shape and physical size of residual heat to be classified as resulting from a touch by a fingertip. But of course false positive detections still occur at this early prototype stage. More details on the underlying algorithm can also be found in our research paper, which will appear in the proceedings of the International Symposium on Mixed and Augmented Reality (ISMAR) in September.

We are working hard on making our approach deal with as many situations as possible in the future.

Daniel Kurz
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Blogger
Re: Innovative
Daniel Kurz   6/25/2014 11:00:06 AM
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Thanks a lot. I'm glad you like our concept!

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