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Pseudo-3D Video Conferencing with a Generic Webcam (Chris Harrison, Scott Hudson) – ISM ’08
Posted on March 18th, 2009 25 commentschrisharrisoncmu asked:
www.chrisharrison.net When conversing with someone via video conference, you are provided with a virtual window into their space. However, this currently remains both flat and fixed, limiting its immersiveness. Previous research efforts have explored the use of 3D in telecommunication, and show that the additional realism can enrich the video conference experience. However, existing systems require complex sensor and cameras setups that make them infeasible for widespread adoption. We present a method for producing a pseudo-3D experience using only a single generic webcam at each end. This means nearly any computer currently able to video conference can use our technique, making it readily adoptable. Although using comparatively simple techniques, the 3D result is convincing.
KimTech 3d Experience, 3d Video, Adoption, chris harrison, Conference Experience, Existing Systems, Ism, Net Video, Research Efforts, Telecommunication, Video Conference, video conferencing, Virtual Window, Webcam25 responses to “Pseudo-3D Video Conferencing with a Generic Webcam (Chris Harrison, Scott Hudson) – ISM ’08”
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cool, but unnecessary, i see no practical use for this, other than to show off to friends.
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artifactingreality March 22nd, 2009 at 17:15
that’s quite smart.
Completely pointless, but smart.
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Flashguy45 March 25th, 2009 at 09:44
Yes, and that would be find for desktops, but with a laptop, you would have to take a new picture every time you move it. I wouldn’t want to move out of the way every time I want to chat.
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ddanopia March 25th, 2009 at 21:10
The background, being semi-static, could be sent as a JPG beforehand and then only the foreground with the black background could be streamed. You could also have it stream as it normally would, then only have any processing occur on the viewer’s side. This way you get lower latency.
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SterlingSadler March 26th, 2009 at 15:02
Nice try. Keep it up check out esteembpo + com for social media marketing. gnhkm
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zuv0eewz March 28th, 2009 at 20:14
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jimmit March 31st, 2009 at 02:26
The hands would not be floating around in the foreground. They would still be on the clock. The only problem is the left side of the clock may have been captured at a different time than the right side of the clock. When these two images are merged you will get something funky. Probably two second hands, maybe two minute hands, and one hour hand.
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jimmit April 2nd, 2009 at 09:42
I don’t think the black background can be avoided without adding more cameras. At some point there is going to be information on the sides and above and below that is unavailable to the program. This is simply because the webcam on the remote users computer is not capturing the whole room, only a square frame. You are simulating changing the viewers perspective without actually changing the camera’s perspective.
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sloopidoopi April 4th, 2009 at 03:54
Great Example!
I love the Simple approach! -
SevenSixTwoNato April 6th, 2009 at 19:56
It’s an excellent simulation for true 3D, and certainly great considering its simplicity.
5 stars!
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ardnat2 April 8th, 2009 at 22:46
This is insane! Really nice work! Any example code?
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selfsilent April 10th, 2009 at 22:01
I’m not sure I see the point of this. the only person I know of who moves around incessantly is Ozzy Osbourne and I doubt I will ever video conference with him.
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DaVince21 April 14th, 2009 at 04:20
Nice technique, but I can’t imagine anyone swaying his head around that much when video conferencing. Also, with just the one webcam you’ll never get a “true” 3D effect, limiting the effect to a flat layer of the person on a flat layer of the background.
Having two equally spaced cameras could give a more true 3D effect because you can get real depth/offset data, but then again that would be custom/more hardware.
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botoxication April 15th, 2009 at 19:47
sounds really complex
but really basic techniques -
Donaldo April 18th, 2009 at 11:36
The “immersion” offered by telepresence (short of connecting wires to your nervous system) has, to me, always seemed a little silly. Who wants that much immersion? The homesick! Potential applications: Holding up a sentimental trinket to the web cam and rotating it. On the other end, a 3D model of the locket/stuff animal/toy/etc. can be saved and viewed any time or used in Second Life-type games.
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Donaldo April 21st, 2009 at 16:45
“Real 3D” (or stereoscopy as it’s usually called) could be applied to this technique very easily.
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becomepostal April 23rd, 2009 at 13:36
Excellent demo !!! When can I get this software ???
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death2allah April 23rd, 2009 at 16:13
useless
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Zarchimedes April 25th, 2009 at 19:47
To get the clock ‘proper’, you’d have to remove the hands from it while taking the background picture.
Furthermore, you’d have to set the movement detection to ‘extremely sensitive’ in order to catch the hands’ slow movement. (Marking them manually would probably be a better solution.)
I think it would look rather funny having the hands move about in the foreground, floating around in a ghostly manner, like creatures who have escaped from Disney’s Beauty and the Beast… -
TheLaughingImp April 26th, 2009 at 12:25
Perhaps they’re hoping that by wiggling about like that, no one will notice how bad their hair is.
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SpoofApp April 29th, 2009 at 08:41
Everyone talking about the black background and why it should be removed by stretching the background…this is a demo video and you need that black background to demonstrate how it follows your heads movement. In a commercial application it likely the background would be stretched.
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spazmaster1000 May 1st, 2009 at 10:19
neat idea
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petemayo May 4th, 2009 at 10:20
Sweet tech, good implementation of different projects.
I would say to the other person “quit movin your damn head already, wiggly bastard” -
jci10 May 7th, 2009 at 15:40
Actually wrong, a 3D game has twice the amount of information to represent a meta-3D environment, this is total BS. Go figure, I should have known better thant to trust a slashdot article. This is clearly NOT 3D..Geeez…
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Evi1M4chine May 8th, 2009 at 10:58
Parallax is not REAL 3D!!!
It only LOOKS 3D in the camera.It’s as much 3D as a 3D game.
Not as in 3D glasses!
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dragonnutds March 21st, 2009 at 13:12