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nostupidquestions·No Stupid QuestionsbyTheReanuKeeves

Can you see magic eye pictures?

As a not quite middle aged dude, I only just now figured out how to see magic eye stuff. I tried a couple times in elementary school but didn't get it so I stopped. Had a few drinks earlier, stumbled on some magic eye pic that I could see clear as day and it blew my mind a little

View original on lemmy.world
lemmy.world

Yes. They require stereoscopic vision. When I was doing research on 3D displays about 10% of subjects had to be rejected because they were stereo blind. They had no idea they were that way.

One woman said that explains why she had the nickname clunk in high school. She had a habit of rearending cars.

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Bwazreply
lemmy.world

I'm one of the stereo blind. I was kind of glad when I found out from the eye doctor. It explained why I could rarely catch a baseball without getting hit.

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Huginreply
lemmy.world

So depending on why you might be able to train it. If you don't have a lazy eye and have good vision you may want to look into it.

If your brain is just not fusing two good images there is a good chance you can train it to do so. Having done experiments in this field I can tell you it makes a measurable difference in performance.

A good read on the subject is below. The part where she first sees a tree in 3D is a good example of what you are missing.

Fixing My Gaze: A Scientist's Journey Into Seeing in Three Dimensions by Susan R Barry

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lemmy.world

Someone made a modified version of Quake back in the day, that rendered to stereoscopic 3D in a white noise pattern.

It was such a mindfuck to play!

You get 3D depth but no colors or shades or contrast. It's just shapes moving. So doors that were flush with the wall were impossible to see, but enemies in dark rooms were fully visible because there is no light or dark.

I like to imagine I got to experience what a bat sees with echolocation.

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lemmy.world

Yes.

The instructions say don't cross your eyes but that's horseshit and probably why so many people fail to see them.

My method is to cross my eyes, then uncross them slowly until the 3d effect appears, then hold on that position.

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alsimoneaureply
lemmy.ca

But then you see them inverted.

3d cross eyed pictures and magic eye work in similar but different ways

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lemmy.world

Absolutely loved them as a kid! Had a quite a few books.

You can do them two different ways. The normal way with the object popping out towards you and an inverted way with crossing your eyes that inverts the shape.

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lemmy.world

I'm pretty sure I did it the cross eyed way. I'm doo trunk to understand how to do it another way

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BroBot9000reply
lemmy.world

Bring the page close to your nose, let your eyes kinda naturally loose focus from distance. Then slowly start to pull the page back and you should get it.

Kinda difficult to describe.

Check back when you are sober and see if you get it to work.

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lemmy.world

Maybe I have it mixed up then because the way I'm doing it is losing focus and letting it adjust until I see something. I thought I was going crosseyed but I didn't have a mirror so I can't be sure.

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BroBot9000reply
lemmy.world

For the cross eye version you just need to hold out the page at normal viewing distance and cross your eyes till the 3d image pops.

Sounds like you are doing it the regular way. Which is the more difficult one for most people that have issues with magic eyes.

Glad you got to experience them!

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BroBot9000reply
lemmy.world

Here’s another one for ya! If you do it the right way you’ll clearly see the turtles head pop out towards you and with the cross eye way it’s quite difficult to recognize the head when it’s pushed backwards.

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lemmy.world

The way this works is that the image is designed to appear 'beyond' the surface it is printed on. It's much easier to relax your eyes and pretend you're looking at what's 'behind' the paper. Kind of like 3d chalk art on the road in a way.

The other way of crossing your eyes works because you're swapping the left and right eye, which gives a different, inverted appearance. Instead of a foreground image popping out of the background, it looks like the other way. Like looking in a box, kinda.

I can do both, but the latter is more difficult, sometimes requires a specific distance, and can be painful if you force it. If the image is too big, you may only be able to see a part of it. I think the first method is easier to do and to learn/train. Either way, you aren't looking at what's 'on the surface'.

...

The best way I can explain is: pretend you're sitting on the toilet, really tired and you have nothing to look at so you just lose focus and gaze at random stuff. When the tiles or cracks start to make pictures that aren't there, that's kind of the effect you want.

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Oh that one is a good one, it's very busy. Using the first method the trees are on the 'bottom' and everything progressively pops out with the fish/turtle on 'top'.

The other way is reverse, the trees are on the 'top' and the fish are on the 'bottom' (like I'm looking in that 'box'). It's also really hard to see the whole picture this way, but that's just me.

Also, 'In a Box' might not be the best analogy, you can make one that intentionally feels like you're looking inside something -- it's just that most of these are made to pop out at you.

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This works, but the quicker method for me was to hold the book over my head, out of my line of sight while I focused my eyes on something a little farther away (a few feet away is fine). Then you can simply move the book downward into your field of vision while refusing to let your eyes refocus. It should be blurry, because you're still focusing past it, despite it being right in front of your face. Then just relax and let your brain do the work.

This method got by far the quickest and most reliable results for me, most pop suddenly into view in just a couple seconds.

I think this method works best because you're using established muscle memory to focus your eyes on an object at a measurable, consistent distance, and then just not letting them change. Removes several variables from the equation.

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I think I usually saw the inverted version. I could make out the shapes, but they never popped out.

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Now that you've figured it out, behold: Stereograms!

The above satellite images from NASA allow you to SEE the topography in 3D.

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These are awesome thanks for sharing. Also, if you can do magic eye and stereograms, try crossing your eyes when playing those "find the differences between these two pictures" games. They are incredibly easy if you cross your eyes.

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jrubal1462reply
mander.xyz

Omg I've never been able to do a magic eye before, but I think there stereograms just unlocked it for me! I Feel like I get it now, thanks!

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sh.itjust.works

Weird question if anyone happens to know: when I look at these combined, it looks like the elevated parts go INTO the image rather than pop out, like it’s 3D but inverse. I have always been able to see Magic Eyes with no difficulty, but I’ve also had some form of exotropia that I can control to trigger the depth. Should I be doing something different with these stereograms?

Edit: realized this might be expected? Since the instructions on these say to cross your eyes, but the exotropia makes one eye go outward, but I guess I’m confused how I can see any combined depth image at all now lol

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sh.itjust.works

You're doing "wall eyed" viewing. These are for "cross-eyed" viewing. "Wall-eyed" means your eyes are focusing at a point behind the image. You need to cross your eyes for these. Try putting your finger in between your screen and your eyes, varying the distance until the dots merge. Then, remove your finger, focusing on the image itself. That should allow for cross-eyed viewing.

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Fair. I, too, prefer wall-eyed, but these were prepared by NASA. You could edit the image to swap the two and make them Wall-eyed, though!

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fedia.io

My parents were of the opinion they were an elaborate hoax until they had me draw what I saw in one of them.

This was in a newspaper 30 or so years ago maybe. The image was accompanied by a depth-map image of what should be visible, but they covered that up. Then they asked if I'd looked at the newspaper before them because, even with my terrible art skills, it was clearly what was in the depth-map version.

I think they believed me in the end though.

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Yep.

If you can do it, you can sometimes use that skill to quickly compare whether two adjacent vertical images are identical. If they are, you will just see a single version of the image as normal. If they are different, you will easily see a ‘fuzzy’ part of the image that won’t resolve and stay still (hard to describe, it’s like when I try to read text in a dream).

A practical application I use now and then is when I want to compare two columns of data on a screen. Use the magic eye technique to overlap the columns and any differences will be immediately obvious, even with a lot of data.

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I love them! Generally find that once you get one it's a lot easier. I find that if I've not looked at one for a while, and 8k kit getting it, and I go back to the first one I got (some boxing kangaroos) and normally it just clicks again.

My partner can't see them, and is convinced it's just a dumb hoax that people on the Internet play pretending they can see them.

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slrpnk.net

I can see them.

Or at least I could. When LGR recently made a video about them, I was having a very bad time viewing them. I was either too drunk or not used to seeing them with this TV setup or I just need new glasses. Probably the last one.

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Rosereply
slrpnk.net

Tried various distances, that didn't help too much. I'm afraid I have to hold to the theory that I'm officially old now and need bifocals.

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lemmy.world

I first looked at a pic on my phone and it worked so i thought it would look even better if I put it on my tv. Did that and I wasn't able to get it to work, googled something like "can't see magic eye on large tv screen but can on phone" and apparently it's a lot more difficult on large screens. Or maybe you just are old lol

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I wasn't able to see this on my phone. Almost gave up hope. But. HOLY CRAP. Re-watching the LGR video on my desktop monitor and I can see the stuff again! So.... thanks, I guess!

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lemmy.world

I'm full of random questions

If you could only eat 1 dish forever without worrying about vitamin intake or macros, what would it be?

What would your plan be if you woke up tomorrow and everyone else on earth disappeared without a trace?

What's a skill you want to learn and what's stopping you from learning it?

What's the largest animal you think you could beat in a fight with just your hands?

You stumble upon all the dragonballs, what is your wish?

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sh.itjust.works

Oh this is easy!

Lasagne - its so versatile. I'd usually keep it realy light on mince and boost the vegetables, though. So many textures and ways to play with flavours, it'd be ages before it got old.

Alone? I dunno. Sleep or gooning, probably

Largest animal: a med-small dog? Like a whippet or something.

I don't understand the dragonballs stuff. Probably just too them down a hill (we've got some really steep streets for this in NZ)

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lemmy.world

Good choice garfield

No survival plans?

Reasonable choice

The dragonballs from the manga/anime dragonball summon shenron the dragon when you collect them all and you're allowed to make 1 wish, even including bringing people back from the dead

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sh.itjust.works

Oh, one wish?

That's hard.

I think I'd wish for humanity to not have insecurities. I figure then we'd just have to figure out how to neuter greed and we'd be sorted from our own annihilation... (and inordinately better off both individually and as a species)

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lemmy.world

I think that's a deep answer. Insecurities rarely create good situations.

Since you're from New Zealand, do you own sheep? Have you put a toothbrush on the fence? Do you like Bret McKenzie and Jemaine Clement?

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sh.itjust.works

Ha - We've got this new hybrid proto-sheep going on. I've got one 17 y/o and a 15 y/o and they're basically thick as two planks, bleat about irrelevant things and shit everywhere, so yeah, I've probably got sheep :)

  • Nah, the kids are alright, I just like teasing them for being trolls (and I get it back, don't worry! Bald AF and regularly reminded)

I haven't seen Germaine in a while but Brett's doing well. He hasn't taken me up on the millionaire munchfest or billionaire BBQ though, so it seems like we're stuck with the 1%ers for a while yet...

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Someone said that they did some research on people who were able to use 3d TVs and 10% couldn't, or maybe you just haven't gotten a hang of it yet?

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Same here, before I found out it is literally impossible for me to see them I had one of the books and I would stare at it for hours trying to make it work. Of all the annoyances of being half blind, not being able to see magic eyes is the one that bothers me most.

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slrpnk.net

Nope! But I've made them. I needed to go find someone with more normal eyes to test my creations for me, though.

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You need a repeating visual pattern, a fairly busy one. Then you need a greyscale image of what you want the "magic" picture to be. You deform the repeating pattern by the intensity of the greyscale image.

When your two eyes overlay the background images, your brain highlights the distortions and interprets them as depth... at least if your eyes are good enough to give your brain that information in the first place.

If you want to know more, the algorithm to do this is public, and you can set it up in eg. javascript in an afternoon.

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Yes. I can change my vision's focal point and focus distance at will, so it's usually easy even though my eyesight is getting fucky with age.

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I finally realized how to reliably do it in my early 20s (a while ago now) but still can to this day. Just have to start with it at my face haha.

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I couldn't because really bad astigmatism, but after ICL surgery I could. Magic Eye is really cool, binged the greatest hits after I found out I could see them.

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I can see the 3D, but struggle to put together what they are sometimes because I don't have colors to put the image together.

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I can somewhat move my eyes independently. I credit this skill to us having had magic eyes books as a kid and I just learned to control eye muscles willingly.

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It sounds like you might be looking at the left image with your right eye and the right image with your left eye. That's what happens when you cross your eyes instead of looking past the image.

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Yeah, but I have to stick my face right up close and slowly move it away to do so.

Phone/tablet screens work best for it.

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FWIW, I can see them and am probably some level of ADHD or autistic. I would have expected the correlation to be the other way around to be honest, i.e. more neurodiverse folks can see magic eye images than neurotypicals, but our two data points aren't enough to say one way or the other, only that maybe neurodiversity has nothing to do with the ability after all.

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lemmy.world

I didn't think I could but interestingly enough discovered a technique that works earlier today. Basically get really close whilst staring at a point then gradually move away. It actually is an amazing effect

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lemmy.world

I have tried to see them so many times but have never even gotten an inkling.

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I couldn’t for most of my life, but then I just tried about two years ago and it clicked. I’ve been able to ever since. It’s a cognitive skill. Once you learn it, it’s like riding a bike. I hate to make it sound as exclusive as it is, because that’s what turned me off of it to begin with, but it really is true. Just figure it out and it’s like a code that you can decode at will.

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I used to, but its been years since I've tried, and I've had to get stronger glasses a couple of time since then.

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Holy shit! I don't recall them being this impressive! This thing's got over half a dozen levels of depth to it!

The more I look at it and my eyes adjust, the more I realize now complex it is. The freakin trees have multiple layers of leaves! This is insane!

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brbreply
sh.itjust.works

Never heard of this. What am I supposed to see here?

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So apparently there's a couple ways to look at them but with the way I do it, it makes my phone look like a box with depth to it, as if I can reach inside, the red trees are furthest away, green trees and birds a little in front, plants, the water surface looks tilted at an angle and so detailed it looks like you could throw a rock at the screen and it would skip across the water, and then in the very front you have the underwater view where you can see a couple 3d fish and a turtle

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It's harder than it was before I needed bifocals, but yeah.

Once you learn the trick of it, it gets easier to do.

I wanna say I was late teens/early twenties when they first started showing up in my area, and I stood in the store I first saw one for like a half hour trying to see the image. My vision was kinda bad across the board, even then. But I got the first one, which was a boat, and then flipped through the rest of the selection they had, maybe five or six different ones?

But any time I got new glasses, it would take a few minutes to adjust when I'd run across one again. Same if I needed new ones.

They really are fun

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I can, but it is sometimes tricky. Usually I can make the image go into 3D mode without too much trouble, but I sometimes can't figure out what I'm supposed to be seeing. Like, I can tell that things are at different depths but I have a hard time resolving it into a complete cohesive image. I think it is mostly due to the weird random pattern that makes up the image and the difficulty in finding how the edges work together. It could just be shitty stereograms, though, since most of them work fine.

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Im in my 30s and learned a few years ago, my brother in law showed me how. Was super cool, I had always thought it was people trolling

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Yes, you have to imagine you are looking into a mirror at yourself and focus your eyes on that place; look past the image.

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Yep. There was one on the Sunday comics page every week when I was a kid, and I learned how to do it then. I never understood the people who can't do it, or thought it was fake.

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I'm pretty sure the scene from Mallrats was based on me. I stood and stared at those at the mall for days and could never see them. Finally one day - 20ish years later it finally clicked and now I can see them.

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As someone with a lazy eye I can control, stereograms are ludicrously easy for me to see.

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aussie.zone

Inconsistently. Haven't tried for yonks. Back when they were brand new I got maybe 50%.

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midwest.social

With some effort I can even see the image in the small thumbnail on a magazine or webpage. I have not yet been able to see them negative where they go into the screen instead of coming out of it.

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I had a friend who couldn't see them and the following explanation is how I got her to be able to:

  1. Stand two arm lengths from the picture, holding you arm out in front of you with one finger up, so that your finger is halfway between you and the picture and lined up with near the bottom of it (or you could use any distance and put your finger halfway there).

  2. Both the picture and your finger should now be in your field of view. Focus on the tip of your finger. Maintain your eyes in that focus state and shift your attention from your finger to the picture, remembering not to let your eyes change their focus.

  3. Once you have your eyes stuck into that focus length you should be able to move them around and view all parts of the picture seeing the 3D effect. But if you still have problems you can move your finger to keep it in front of your eyes and in focus while you move your eyes, but you'll quickly learn how to keep them in the correct state with a little practice.

This also works if you focus on twice the distance of the picture, but most people find the half-distance focus easier.

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I can

My tip is to try to look past the picture, like you're focusing on something 10ft behind the wall. Then squint your eyes.

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