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Abraham Shpitz (Abraham)
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Username: Abraham

Post Number: 4
Registered: 8-2008

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Posted on Tuesday, April 27, 2010 - 10:03 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Hi
I assembled a 2 cmos ntsc camera system that generates a composite video 3D field sequential signal by using sequentially the odd fields of the left cam and the even fields of the right cam.
I want to record the signal to my XP PC preserving the 3D info of each field.
my capture software (Power VCRII) combines the 2 fields into frames and the 3D info is lost.
Can you recommend an interlaced capturing software that will preserve each field's 3D info?
I will be grateful for free software
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Fronzel Neekburm (Fronzel)
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Username: Fronzel

Post Number: 55
Registered: 7-2009

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Posted on Friday, May 14, 2010 - 5:00 pm:   Edit PostDelete PostView Post/Check IPPrint Post

I use Ulead video Studio SE which was included with my 15 Dollar USB video capture device.

I do not know Power VCRII, so i can not give any help with this, but with Ulead and the Capture device i have been able to record the video of my Toshiba SK-3D7K which outputs a field sequential NTSC signal.


Observations:

- Although the device's tiny manual claimed while recording it would automatically detect the right signal and settings it did not. I had to manually set it to NTSC.

- The resolution is crucial. For an NTSC signal the proper interlaced signal is destoyed if you record in the wrong resolution. For me 720x480 did the trick

- My camera records in standard 4:3 format. The capture is in 720x480 though which obviously doesn't match. In VLC player to view the field sequential effect undistorted i have to set it to 4:3 manually - then it works perfectly. I never got why it is that way, i guess its due to the capture hardware or NTSC specifications

- Record as uncompressed if possible. While this results in ridiculous huge files you have no compression from the video codec that destroys the interlaced signal. If you refrain from any compression while recording you don't have any problems with ghosting, artefacts and so on.

- If you want a video codec with compression - which seems reasonable if you wanna watch teh videos somewhere else but your pc - then convert the video to side-by-side format first and then compress the video, so the 3D info dont get destroyed. Side-by-side also suffers from ghosting by heavy compression, but much less than field sequential
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Rrrob (Rrrrob)
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Username: Rrrrob

Post Number: 196
Registered: 5-2006

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Posted on Tuesday, May 25, 2010 - 4:19 pm:   Edit PostDelete PostView Post/Check IPPrint Post

wouldn't it be better to record the right/left views in FULL resolution and then take those left/right streams and manipulate as needed (either into field-sequential, side-by-side, anaglyph etc. via Stereo Movie Maker)?

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