Wednesday, September 21, 2016

Re: [Avid-L2] Re: detecting 4K pixel issues and display response time?

 

Having never operated this type of software but seen demos of various aspects of Aurora and prior to that Cerify I did hear from some folks it was a slow process.  I have been advised by the folks at Tek that many times the speed has a lot to due with what hardware and network infrastructure used.  I don't know what that means to the average user.

When you say dead or stuck pixel detection I'm curious if those are really the same process?  Isn't a dead pixel in essence a stuck pixel?  I've seen where a dead pixel can be black or white or various colors.  I think it was green and or magenta artifacts that indicate loss of signal in an mpeg stream.  I'm thinking a dead pixel is just stuck at a certain value be it black, white or whatever.

The main issue I'm dealing with is a flashing intermittent Red dot/pixel.  As it only pops up for a frame or two and is intermittent I would think that would be very hard for software to detect.  It's really hard for my eyes to detect it as well unless I park right on the frame.



---In Avid-L2@yahoogroups.com, <bogdan_grigorescu@...> wrote :

Aurora is OKish for QC in general, a bit iffy and definitely not fast, not sure if and how well it performs on this particular task - if you want a truly performant dead/stuck pixel detection AND correction try MTIFilm CortexDailies.
You'll get hundreds of other features that are extremely useful in a post workflow. PC only though.

And yes, we own both softwares, for 2-3yrs. now.

Call Randy Reck or Larry Chernoff at 323-465-6478 to arrange a demo license.

cheers,
BG
www.finale.tv


From: "bigfish@... [Avid-L2]" <Avid-L2@yahoogroups.com>
To: Avid-L2@yahoogroups.com
Sent: Wednesday, September 21, 2016 6:58 AM
Subject: [Avid-L2] Re: detecting 4K pixel issues and display response time?

 
Very Interesting.  I wasn't aware they had finally figured that out.  I can recall mention that they were working on it but hadn't heard it was available.  I wonder how a Red Pixel would be considered a "dead" pixel.  Perhaps it looks at the pixels content to see if it seems whacky in overall level or maybe whacky compared to its surroundings?

Now if only there was and event tailor made to discuss this exact funtionality?  ;-)  Oh wait Editor's Lounge September 30th including Tektronix File based QC.  I see light at the end of the tunnel, or is it a dead pixel?  I'll see if I can find out if they are using a file based QC.  In the past it was done by eye to the best of my knowledge.


---In Avid-L2@yahoogroups.com, <tcurren@...> wrote :

John,

     You would be better served by paying for a decent file based QC system like Tektronix's Aurora. They will detect dead pixels. Probably what the QC house is using.




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