Questions tagged [3d]

techniques for capturing, as well as presenting and viewing, 3D photographic images

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I'm a sculptor & need a 3d photosphere of a human head for reference, is that possible?

Google searches are not yielding the right results and I don't know what to search on. I'd like to create a "photosphere" that is directed inward (capturing all possible angles of a person's ...
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What's the field of view for LIDAR in iPhone Pro 12 and iPhone Pro Max?

It looks like the angles aren't quite 67.3 x 53.06 degrees as this answer suggests: What is the Angle of View of the iPhone XS rear camera?. At least the point clouds I get look better for 75 degrees ...
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Tools to take 3D pictures for a virtual show

I belong to a couple of bonsai clubs, and for this year we wanted to do a virtual show. I'm looking to build a small site where I can drop 30-50 virtual bonsais across several pages so visitors can ...
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7 votes
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focal length and sensor width of a phone

I am trying some 3D scene reconstruction in blender using my phone camera but in order for the program to do its math it needs to know the sensor width and focal length of my camera in millimeters but ...
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How can I convert pre-1950 stereocopic photos to cardboard?

Before Google Cardboard come to the idea of replacing expensive glasses which filtered quickly-alternating images (or low-cost glasses which filtered different color images) with simply one static ...
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How do I grayscale an MPO stereographic image file from a 3D camera? I want to use it as input for a CNC carvings

I had/have a 3D camera back in the day, and got a few 3D pictures. I kinda stopped using it since there wasn't anything I could do with the MPO (Multi Picture Object) files. However, the 3D camera ...
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4 votes
2 answers
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File formats for stereoscopic 3D images

Years ago I got into cross-eyed 3D photos and I've made a good few of them. Not many people are willing to spend the few days and eye strain to learn the viewing method, though. With Google Cardboard ...
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2 answers
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What's the name of this style of looping photos?

What is this style of photo looping called?
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6 votes
6 answers
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Is it possible to determine from only a photo of a cityscape whether it was taken close with wide angle or from a distance with zoom?

I look after a project digitizing and providing access to vintage photos in our city. Something we've always struggled with is determining from where a photo was taken. We have data on building ...
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6 votes
3 answers
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What should I consider when buying a camera and lens to take photos of surfaces for 3D textures?

I would really appreciate if you could help me find the best camera or camera's to take photos of textures. These will mainly include cabinets, countertops, tiles, backsplashes, hardwood flooring and ...
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2 answers
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What is the difference between a 3D camera and a stereo camera?

I just started with image processing and came across 3D cameras. But, I couldn't understand much. Are 3D cameras same as stereo cameras? My understanding of stereo cameras is that there will be two ...
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Estimating Distance From An Image [duplicate]

Assuming that the person stands parallel to a wall. The person and the wall are at the same ground level. The person takes a picture of the wall (Considering that the person always captures the bottom ...
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1 answer
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Old 3d Portrait (circa 1945)

I have 2 3d portraits of my father that were taken in Paris around 1945. He said he was seated on the center of a semi-circular track that the camera moved on to take multiple exposures that were ...
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1 answer
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Angles and distances for photogarametry

I want to photoshoot rocks which are about 20cm by 20cm by 20cm and make a 3D model of it. I am yet to find the software to create the 3D model but might use VisualSFM. Question is what angles, ...
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When do straight lines become curved when talking about projection?

This in not a question directly pertaining to photography, but the theory of projection in general. Imagine that I'm drawing my surroundings, say, in a city with straight lines everywhere. I start ...
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-2 votes
1 answer
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How to make a 360' panorama taking screenshots of a 3D enviroment [closed]

I found very interesting to create a panoramic photos by stitching different pictures taken from a pre built 3D environment. For many reasons : 1) a lot of panoramic photos cannot be used because ...
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How is this weird background / foreground angle shift achieved?

This video is a pretty crude rap music video, so I'll warn: NSFW. That being said, I noticed a pretty interesting image perspective change effect used throughout it, and I'm curious to know how the ...
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Convert regular panoramic photo into google cardboard file

For a school assignment (innovative project) I want to create a sort-of infographic, but then in Google Cardboard. I've got a bunch of panoramic images (not created in Cardboard camera) but it doesn't ...
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3 answers
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How do I take a stereoscopic photo to view with Google Cardboard without buying two DSLRs?

I just got some vr cups and tried out the Cardboard Camera app, but the quality is pretty poor, and it's really intended for panoramas. If you have created stereoscopic (NOT panoramic) images for ...
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1 vote
1 answer
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Is it possible to use a single image sensor to capture a stereoscopic image?

I was wondering if there is a way of splitting a digital image sensor's surface in two and using it to capture a stereo version of an image, maybe using some clever optical system with mirrors (like ...
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4 answers
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Is it possible to calculate the distance to an object using two pictures taken a few cm apart?

Is it possible to calculate the distance of an object to the camera with two pictures which are taken a few cm apart? We are able to estimate the distance with our eyes. But is it possible to do it ...
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2 votes
2 answers
1k views

Software to change perspective of image of a whiteboard (or some other plane) to look 2D

Let's say I have a whiteboard in a room full of people. I want to take a picture of the whiteboard but there are people in the way so I can't take a picture of the board straight on. I'll have to ...
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1 answer
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Crash course on photography for 3d rendering texture

I'm looking for a place where to find informations about specifically photography to make 3D render textures: from simple texture to environmental mapping. Does anyone can give me some advice?
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Is it possible to digitally capture a full 3D point of view?

Is there a way to digitally capture a 3d point of view image of all directions in a sphere? Your eyes take in light from the fields of view, approximately 160 degrees but you cannot capture the other ...
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2 votes
2 answers
484 views

What distance should there be between two shots for a stereogram?

Back in the day I had a stereoscope with a stereogram. The effect was fascinating. These days I have a few rolls of cheap, expired slide film and a film camera with a 50mm and a 100mm lens. If I ...
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How to make a 3d model from an object in a photograph?

This is my sofa : I want to make a 3D model in order to apply different patterns in post-processing; see How can I wrap a new pattern around a 3D object in a photograph? The blue area indicates ...
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2 answers
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Close range stereoscopic recording [closed]

So I have some work for a client; I have never tried to shoot 3D before but I have an idea how it can be done. So the situation is: I have a wide green screen and I want to record stereoscopic videos ...
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Why is it that parallel lines in 3D are not parallel in an Image?

I was taught that parallel lines in 3D are not necessary parallel in a picture of them. However, I was told taking the picture from far away and then zooming into the picture would create an image ...
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1 vote
2 answers
317 views

Can I make real tilt-shift 2D photos from 3D Photos?

I have a 3D camera, i can shoot 3D stills, is there a plug-in or some sort of post-production method to estimate the distance from the camera to every single object in the scene (maybe a pixel ...
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1 vote
1 answer
2k views

How do I adjust the depth of an anaglyph 3D image?

I'm new to photo editing, and am trying to create 3D anaglyph images using Paint.NET, since I don't have Photoshop. So far I've figured out how to create a red/cyan image by pasting a red and a cyan ...
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3 votes
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Best settings for exactly synchronizing shutters? (Nikon D7000)

I have two Nikon D7000 bodies and two 50mm f1.4 "D" lenses. I have both cameras mounted on one tripod and both in remote mode. A single remote is used to open both shutters. The problem I face is ...
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12 votes
3 answers
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What is exactly the '3D pop' in photography?

When reading about lenses, sometimes I come along the term '3D pop' and I think I have a rough idea about what it means; but I'd love to have a precise or scientific explanation (optics) of it. ...
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5 votes
2 answers
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Is there maximum distance for stereoscopic photography?

I'd like to know if there is a distance limit in the use of stereovision with camera. Say I want to make a depth matrix of a fixed objet I'm seeing with my cameras. For the exemple, I'll set some ...
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1 vote
1 answer
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Should we rotate cameras towards or not while shooting for 3d?

Every behind the scenes photo/video I see shows a fixed setup for both cameras. Is this how it should be or it is like this because of the technical difficulties? For example, assume that we are ...
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1 answer
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What should be the stereobase to shoot 3d with 2 iPhone4?

I want to use 2 iPhone 4 (not 4S or 5) to shoot 3d photo and video. What should be the distance between their lenses and how do you calculate it? Update: The actual focal length on iPhone 4 is 3....
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What is Stereoscopic Photography? [duplicate]

The title says it all, what really is Stereoscopic photography? How can I achieved it? Feel free to post a Stereoscopic photograph for better understanding.
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Head on character reference photo is slightly turned, how can I straighten it?

I'm using images from 3d.sk for character modeling and the one I'm using has his head turned slightly to the side. I tried lens correction but didn't really know what I was doing. Is there a way I can ...
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3 answers
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How can I rotate photos of furniture a few degrees in photoshop?

I'm trying to help a friend of mine sell his house. I'm hoping to be able to use Photoshop to insert a table and chairs into one of his empty rooms, to help people visualize what the room could look ...
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2 votes
1 answer
419 views

Stereoscopic images

Disclaimer: I know this is probably the complete wrong place to ask this. But seeing as there is no Tattoos.stackexchange I will give it a shot because at its core, this question is down a ...
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3 votes
3 answers
2k views

Can an image have a full 3D effect without using special glasses?

Can we put 3D effect in an image and watch this without using any coloured glasses ?
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8 votes
3 answers
3k views

How are these "wiggling" 3D images made?

Just recently, Yahoo.com posted images that have a 3d effect without any glaesses and here is an example of one of them: How is this done? I searched all over but can't find any good tutorial. I know ...
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6 votes
1 answer
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When setting up a 3D DSLR rig, what lenses would provide the best results?

I'm currently exploring the idea of setting up a 3D rig based on this question. I know I need two cameras, some sort of twin camera mount, a way to trigger both cameras at once and software to put ...
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2 votes
1 answer
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Is the Olympus EP3L a good choice for 3D Macro?

I'm interested in getting an Olympus EPL3 for amateur use. In order of importance I'd like to be able to do the following: Macro 3D General purpose; portraits and panoramas Time-lapse Is this a ...
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1 vote
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How is it possible to create a photo as if camera is moving?

I just saw this image on the deviantart. Does anybody know how I could shot a photo like this? From what the artist says in the comments, it seems that it has been created using only one single shot (...
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1 answer
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What 3D lenses are available for a Sony NEX camera?

I currently have a Sony NEX-VG10. I would like to know if it's possible or worthwhile to get a 3D lens for it? I did a google search and can't seem to find any — or am I blind?
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9 votes
1 answer
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What is this red/blue effect called?

I was wondering what's the name of the effect in this photograph. I've heard of Chromatic Aberration, but I'm not really sure. In any case, is it possible to reproduce this kind of effect (without ...
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4 answers
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3d digital cameras? [closed]

What is the advantage to the new 3d camera technology that is out?
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6 votes
1 answer
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Why does the lighting sometimes differ between the two images when taking stereoscopic photos with my 3DS?

I have a 3DS. It can take stereoscopic photos, albeit with a low-res and noisy sensor. I'm not expecting great photos, however, I am seeing one issue I can't explain simply by cheap sensors. In some ...
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8 votes
5 answers
2k views

How do I go about creating 3D photographs?

I've become fascinated by the realm of 3D photography and would like to try my hand at making some 3D images. I have several related questions: How do I go about taking the dual images needed to make ...
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7 votes
3 answers
2k views

Process stereoscopic image to convert from 3D to 2D

I am wondering if it is possible to take a stereoscopic image and sum them in such a way that makes it a monoscopic image, with the resulting viewpoint in the center of where the two viewpoints ...
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