Passive 3D Uniformity Test Pattern - AVS Forum
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post #1 of 8 Old 08-01-2014, 09:15 AM - Thread Starter
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Passive 3D Uniformity Test Pattern

I made this to test uniformity of passive 3D. Figure AVS is a pretty good place to share it. Originally posted in the Vizio M-series thread here and here. Enjoy.


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I was asked nicely to post the Passive 3D Test pattern I made. It has to be viewed at 100% zoom to work properly. Please set your Sharpness to 0 (and leave it there; sharpness on most panels = post-process noise) before mentioning that yours looks different or that it has cross-talk / ghosting.
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post #2 of 8 Old 08-01-2014, 09:17 AM - Thread Starter
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Here's Pics:












(that's a moire effect from a cell phone camera, not a glasses issue; it isn't visible while wearing the glasses)
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post #3 of 8 Old 08-20-2014, 07:07 PM - Thread Starter
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Also, if anyone is interested, I have another one that tests depth.
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post #4 of 8 Old 08-20-2014, 08:09 PM
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That's pretty cool, thanks. Shows me exactly where the bleedover happens on my monitor (like I didn't know, but this could help find a sweet spot with maximum 3D visibility). I'll have to try it on my TV sometime.

Welcome to Rivendell, Mister Anderson.
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post #5 of 8 Old 08-25-2014, 05:08 PM - Thread Starter
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Originally Posted by Jedi2016 View Post
That's pretty cool, thanks. Shows me exactly where the bleedover happens on my monitor (like I didn't know, but this could help find a sweet spot with maximum 3D visibility). I'll have to try it on my TV sometime.
Glad it was useful!

You could try to adjust your monitor's display position if there is significant crosstalk on a 3D PC monitor. It may be out of sync by a pixel or it could be stretched to fit the screen. Fine for 2D stuff, but can cause significant issues for passive 3D images. I've seen it cause major crosstalk issues that way before just by being stretched 2 pixels vertically.

Also everyone, remember to set Sharpness to 0, and if there is crosstalk adjust sharpness slowly upward to see if/how it changes and judge whether it improves or not. Almost all TVs will need the Sharpness set to 0, especially 3D panels.
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post #6 of 8 Old 08-26-2014, 05:48 PM
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No, it has to do with how close I'm sitting (this is my computer monitor). I'm close enough that the top and bottom of the screen will start to crossover because of the spacing of the FPR layer (angle of incidence and all that). Maybe 5% on top and bottom if I'm sitting just right. Not a problem on the TV, since I sit a lot further away, and the FPR layer seems to be about the same distance, so it doesn't become an issue unless I get within a couple feet of the TV.

Welcome to Rivendell, Mister Anderson.
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post #7 of 8 Old 09-05-2014, 02:29 PM - Thread Starter
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No, it has to do with how close I'm sitting (this is my computer monitor). I'm close enough that the top and bottom of the screen will start to crossover because of the spacing of the FPR layer (angle of incidence and all that). Maybe 5% on top and bottom if I'm sitting just right. Not a problem on the TV, since I sit a lot further away, and the FPR layer seems to be about the same distance, so it doesn't become an issue unless I get within a couple feet of the TV.
Okay that makes sense. The 65" M651d Vizio TV lets me get about 12" above the screen and about 3 feet away before that happens. Pretty neat where passive 3d was headed before companies put it on the backburner and de-prioritized it...
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post #8 of 8 Old 09-12-2014, 08:46 AM
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Also, if anyone is interested, I have another one that tests depth.
yes, please. very interested. tks!
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