Passthrought guide
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Guenthalg Strange, it's the opposite for me, and if I understand correctly, also for Vrsumo2017
The whiter the background, the better it works.
A black background doesn't even remove anything, no matter what you set the sliders to.
I'm not an expert on coloration, so take what I say with a grain of salt.
I think it probably has to do with your real-life surroundings.
You can play with addition and subtraction of colors here 
https://www.surendranath.org/GPA/General/ColorAS/ColorAS.html
I had a quick play around with the passthrough feature over the weekend with some of the videos that have been recommended to be the best but the whole thing was just a mess and nothing seemed to work even when i tried a couple of the settings that have been recommended, I decided to just leave it alone as I obviously couldn't get it to work....I've just been looking at the guide SLR guide though and it says you must enable the guardian space which I currently have disabled. I wont get chance to play around again till the weekend but just wondered if that was what was causing my issues? No idea why that would make any difference but on the other hand it clearly states it MUST be enabled so maybe it was why I couldnt get anything to look good?
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Rakly3 The whiter the background, the better it works.
A black background doesn't even remove anything, no matter what you set the sliders to.
Imo white works pertty great, it varies tho from scene to scene or even studios.
But since there's not many scene with black backgrounds I haven't tried much.
A user shared this one
https://www.sexlikereal.com/scenes/disciplinary-action-18341
It worked pertty good just by using the opacity.
And if you move the color sum to the right you can get rid of the purple sheet, the orange light balls still stayed but I like the balls, kinda of a cool effect, look like they hanging in my room, but also she has a black skirt on so her skirt became see through while her body wasn't 
....but over all the naked body was looking pertty good and solid as I layed in a laying cg position on my bed
I mean... I'm guessing black and white work, wich is a good thing cause vr studios wouldn't have go out their way of always doing black or green screen back grounds, they can just modify a room set in mind knowing it could be used for pass through. 
Theirs a vr video called two of a kind, with white wall surroundings and boy! These two models looked like they were standing in my room twerking. There was practically no see through on their body's or bikinis they were waring so it made the illusion as if they were standing in front of my bed with out any see through. Pretty wild of a visual 
Vrsumo2017 Can you try a scene from the studio Noir? Here the sliders don't do anything. 0% - 100% opacity, look the same. No passthrough.
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As someone else pointed out, this scene works with passthrough and I think it works great. Just turn down the opacity to around 90-95.
https://www.sexlikereal.com/scenes/private-dance-with-haley-spades-22146
The Noir videos I tried didn't work well. I think there is just too much shadows on the girl and it keys it out. Also the scale looks too big and it doesn't look realistic in my room.
I hope to find more scenes that work.
Rakly3 for the passthrough it's bad 
, the shadowy light on the models helps nothing and they way to big, I mean like giants in my room.
But cast wise, sex action they're good studio just wish they tone the scale down sum.
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Rakly3 did you want me to try a scene? Which one?
Sometimes if you slide the opacity and it looks like it's just acking like a brightness instead of passthrough turn off the passthrough and turn it back on. It glitches like that sometimes, I've notice.
Rakly3 The whiter the background, the better it works.
A black background doesn't even remove anything, no matter what you set the sliders to.
Removing black backgrounds works just as well.
But it usually also makes eyes, open mouths black lingerie etc. transparent.
Honestly nothing really works well in regular scenes, you would have to shoot with a greenscreen/bluescreen whatever background, where the background differs significantly from anything on the model (and you even could give the guy a t-shirt in the key-Color to remove him as well)
Black and white are both terrible key colors as you will always have near black and near white parts on the model. It is actually pretty creepy looking through transparent eyes in the middle of the face.
Or you go with some AI „magic“ for example Nvidia Broadcast does an extremely convincing job removing the background, so much that I actually fooled my colleagues being at the office, while I actually was at home.
ibins Black and white are both terrible key colors as you will always have near black and near white parts on the model. It is actually pretty creepy looking through transparent eyes in the middle of the face.
I notice it differs from video to video, I found one scene with a white room and it didn't work as well as other white rooms I've tried, must be something the camera and lighting too I guess.
But everything you mentioned sounds great! the new passthrough options with slr is in the early stages im sure everything will workout great with even way better visuals in time. 
Vrsumo2017 I notice it differs from video to video, I found one scene with a white room and it didn't work as well as other white rooms I've tried, must be something the camera and lighting too I guess.
Problem with white is, that that her eyes become transparent with the pupils floating in the air, same with teeth when she opens her mouth.
You probably could combine it with face detection and use it to exclude some parts from the keying.
Another thing is also that it is hard to avoid spilling, and if you wanna change the background to something opposite it becomes pretty obvious.
For example if you are in a well lit room and remove the dark background, you likely get a dark outline around the model making it almost look like a cartoon, and vice versa if you are in a dimly lit room and the remove bright light from the scene, you get a bright outline, although I guess this is less noticeable, and well you could maybe adjust your room light according to the scene.
mnmlikereal I don't fully understand how chroma key works,
The basics are nothing more than choosing a certain color in the video to become transparent.
djham did you get to work where it look like ur D was sliding into her during penatration particularly during rcg and seated rcg, it worked cuz her body was solid and around penatration area it was see through so everytime she went up and down my D would disappear due to her solid no see through on her body, I once commented a male model with a black condom might work pertty good.
But yeah this gonna be really good when they film specifically for passthrough.
ibins that’s not a bad idea
Can I get this working with a Reverb G2?
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doublevr just thought of something, might be good idea to have 3 or more Hue options?
https://www.sexlikereal.com/scenes/asmr-therapeutic-touch-session-26424
This scene here I could get the black wall out during laying cg behind her, but I thought we'll if I had more Hue options I could take out the white walls on the side. 
what headset is required for this passthrough thing? I have a Vive cosmos elite, and i dont see the option
hey anyone with a valve index get it working. i cant get it to layer with my passthrough cams. either the cams are on or i can see the video both dont work at the same time like it does on my quest 2