Re: [photo-3d] Digital Video 3D

["Gerard Stevens" <gerardstevens@xxxxxxxxxxxxxxxxxx>]

Wednesday, 14 March 2001 1:16 pm
John
That's an awesome amount of information you sent me.
Many Thanks
Gerard Stevens

.........................................................................

Please note new email address below for reply:
Gerard Stevens
Managing Director
Manrex Pty Ltd - Webstercare
Specialists in Medication Management Systems
22-24 Bertram St
Mortlake NSW 2137 Australia
Tel: (02) 9736 1422 Fax: (02) 9743 6180
gerardstevens@xxxxxxxxxxxxxxxxxx
www.webstercare.com.au
..................................................................

----- Original Message -----
From: John A. Rupkalvis <stereoscope@xxxxxxxxxxxxx>
To: <photo-3d@xxxxxxxxxxxxxxx>
Sent: Tuesday, 13 March 2001 1:46
Subject: Re: [photo-3d] Digital Video 3D


>
> ----- Original Message -----
> From: "Gerard Stevens" <gerardstevens@xxxxxxxxxxxxxxxxxx>
> To: <photo-3d@xxxxxxxxxxxxxxx>
> Sent: Monday, March 12, 2001 1:57 PM
> Subject: [photo-3d] Digital Video 3D
>
>
> > Tuesday, 13 March 2001 8:54 am
> > I'm new to this chat page, but can anyone give me help regarding making
a
> 3D movie using two identical JVC MiniDV cameras set on a holder to give a
3D
> image. I also have editing software, but I have trouble understanding the
> RGB concept and how I would treat the images I am editing so I can view
the
> final movie on my TV through Red/Blue glasses.
> > Gerard Stevens
>
> Perhaps I can offer some suggestions, as I have built MiniDV and other
> camcorder and camera rigs myself.  Most of my applications are ones that
> keep the images discrete (separate channels) all the way to the display.
> Anaglyph requires that the images be mixed together, which usually means
> some form of genlocking.  Only certain high end cameras are capable of
this.
> The other route is to use a digital switcher/mixer that is capable of
mixing
> two internally synched signals (non-genlocked).  I am looking for one
myself
> that is not too expensive (they usually are).
>
> There is a third possible route, and that is to genlock a pair of consumer
> cameras.  I have done this with a pair of Sony Hi-8 cameras, and
> theoretically it could be done with any video camera.  Practically, it is
> usually such a hassle (mechanically to get to the xtal oscillator and
> generator) that it is not worth the trouble, even though it is quite
simple
> electronically.
>
> Regarding the anaglyph separation, these are usually red/cyan rather than
> red/blue (cyan is the opposite of red on the color wheel, and red and cyan
> are pretty far apart spectrally as well).  The NTSC and most other video
> color systems (including computer monitor signals) are made up of three
> primary colors: red, green, and blue.   Since cyan is a combination of
green
> and blue, the usual method for anaglyph display is to eliminate blue and
> green from one eye view, leaving the red, and eliminate the red from the
> other eye view, leaving blue plus green (cyan).  I will send a more
detailed
> reply directly to Gerard.  If anyone else would like to be copied in, let
me
> know.
>
> JR
>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>


 

Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/