Dead Pixel at DVinfo.net

Go Back   DV Info Net > The Tools of DV and HD Production > Open DV Discussion

Open DV Discussion
For topics which don't fit into any of the other categories.


Reply
 
Thread Tools Search this Thread
Old January 25th, 2005, 03:29 PM   #1
Major Player
 
Join Date: Aug 2004
Location: Rochester, NY
Posts: 422
Dead Pixel

well after getting my first good footage for my DOF Machine I found out I have a dead pixel on my small 1 chip camera... any good fix in post for this? thanks

http://s14.yousendit.com/d.aspx?id=1...Q3P26KOMIDYG8C
__________________
Craig Bellaire
www.VerticalVideoSolutions.com
Craig Bellaire is offline   Reply With Quote
Old January 26th, 2005, 03:54 AM   #2
RED Code Chef
 
Join Date: Oct 2001
Location: Holland
Posts: 12,514
A dead pixel can certainly be removed, however how many manual
labour is involved depends on where this dead pixel is (couldn't
see one on your footage) and what tools you have available to you.
__________________

Rob Lohman, visuar@iname.com
DV Info Wrangler & RED Code Chef

Join the DV Challenge | Lady X

Search DVinfo.net for quick answers | Buy from the best: DVinfo.net sponsors
Rob Lohman is offline   Reply With Quote
Old January 26th, 2005, 10:35 AM   #3
Major Player
 
Join Date: Aug 2004
Location: Rochester, NY
Posts: 422
help

well it's in the one third down on the left side of center...I have most all programs to fix but have just never tried and don't know how.. thanks for any help..
__________________
Craig Bellaire
www.VerticalVideoSolutions.com
Craig Bellaire is offline   Reply With Quote
Old January 26th, 2005, 12:31 PM   #4
Major Player
 
Join Date: Mar 2004
Location: Ridgefield Park, New Jersey, USA
Posts: 572
I have the same problem with my PV-DV851. If a few more show up, it'll certainly be an excuse to get a new cam.

I'm not sure, but maybe a script could be written for Vegas, or a similar NLE, that could automatically remove the dead pixel in every frame, instead of having to do it manually.
Jesse Bekas is offline   Reply With Quote
Old January 30th, 2005, 04:27 AM   #5
RED Code Chef
 
Join Date: Oct 2001
Location: Holland
Posts: 12,514
Craig: you usually want a very small blur on that section to merge
it all in etc. Experimenting with different filters is best. How to limit
it to just that one section totally depends on your NLE. In Vegas
you could use a cookie cutter, in others I have no idea.
__________________

Rob Lohman, visuar@iname.com
DV Info Wrangler & RED Code Chef

Join the DV Challenge | Lady X

Search DVinfo.net for quick answers | Buy from the best: DVinfo.net sponsors
Rob Lohman is offline   Reply With Quote
Old January 30th, 2005, 07:43 AM   #6
Major Player
 
Join Date: Aug 2004
Location: Rochester, NY
Posts: 422
That's what I'm playing with

I tried to fix in post... BUT it's gonna take more then just the few minutes I've had to figure this out.. anyway I'll keep trying.. Thanks for all the help
__________________
Craig Bellaire
www.VerticalVideoSolutions.com
Craig Bellaire is offline   Reply With Quote
Old January 30th, 2005, 09:30 AM   #7
Inner Circle
 
Join Date: Mar 2003
Location: Ottawa, Ontario, Canada
Posts: 3,943
You need to create a travelling matte to mask it. Find a scene with a black backround that really highlights the bad pixel. Capture this frame, in Photoshop or similar program create from this frame a graphic with the pixel ( when zoomed up in Phototshop it will be a small pixel group) in black and the rest white/transparent. In Premiere follow the instruction for a travelling matte with this graphic offset by a few pixels ( you need to experiment to find the best offset for your material and may find it easier if the defect is expanded a little for this approach and different offsets for different scenes). This of course will entail rendering the whole video but I have used this approach successfully to mask pixel defects. I use Premiere so do not know how to use travelling matte in other software. As far as the camera is concerned most single pixel defects can be masked by service, infact as long as the defects are not on the same column then a lot can be fixed by the service technician.

Ron Evans
Ron Evans is offline   Reply
Reply

DV Info Net refers all where-to-buy and where-to-rent questions exclusively to these trusted full line dealers and rental houses...

Professional Video
(800) 833-4801
Portland, OR

B&H Photo Video
(866) 521-7381
New York, NY

Z.G.C.
(973) 335-4460
Mountain Lakes, NJ

Abel Cine Tech
(888) 700-4416
N.Y. NY & L.A. CA

Precision Camera
(800) 677-1023
Austin, TX

DV Info Net also encourages you to support local businesses and buy from an authorized dealer in your neighborhood.
  You are here: DV Info Net > The Tools of DV and HD Production > Open DV Discussion

Thread Tools Search this Thread
Search this Thread:

Advanced Search

 



Google
 

All times are GMT -6. The time now is 09:13 AM.


DV Info Net -- Real Names, Real People, Real Info!
1998-2017 The Digital Video Information Network