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Questions tagged [stereo-3d]

This tag should only be used for issues directly related to binocular graphical rendering. If you are not displaying different graphical images to the left and right eyes, do not use this tag.

This tag should only be used for issues directly related to binocular graphical rendering. If you are not displaying different graphical images to the left and right eyes, do not use this tag.

Stereo 3D refers to a class of techniques for displaying two different images to a viewer's left and right eyes.

For other types of solid model rendering, use , or a tag specific to your platform.

473 questions
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AttributeError: 'module' object has no attribute

I am trying to get the depth map of two stereo images. I have taken the code from this documentation. I get the following error: Traceback (most recent call last): File "depth.py", line 9, in stereo =…
Ujjwal
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How can I output a HDMI 1.4a-compatible stereoscopic signal from an OpenGL application to a 3DTV?

I have an OpenGL application that outputs stereoscopic 3D video to off-the-shelf TVs via HDMI, but it currently requires the display to support the pre-1.4a methods of manually choosing the right format (side-by-side, top-bottom etc). However, now I…
bparker
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Why my code is much slower than opencv for a simple StereoBM algorithm?

This is my test code for implementation of a simple testBM algorithm, no prefiltering. But it takes around 400 ms or even more when window size is bigger while the StereoBM of opencv (CPU not GPU) takes 20 ms. I have checked the source of StereoBM…
LI Xuhong
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OpenCV 2.4.9 for Python, cannot find chessboard (camera calibration tutorial)

I am trying to calibrate camera using OpenCV tools according to the following this guide. The problem is that function findChessboardCorners cannot find any chessboard on images I tried. I used a lot of them - even just plain chessboard pattern. In…
dd210
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Adjusting one image's exposure / white balance to match another (with PIL?)

I have a cheap stereo camera rig that I use for diving. Sometimes each camera white balances or sets exposure differently. Example: http://www.chrisevans3d.com/temp/forums/left.jpg http://www.chrisevans3d.com/temp/forums/right.jpg Is there a way to…
Chris Evans
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How to calculate the fundamental matrix for stereo vision

I'm trying to write some code that will calculate the fundamental matrix to determine the relationship between stereo images. I started with the Hartley and Zisserman book that most people recommend, but it didn't have any practical examples and the…
SigmaXiPi
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AttributeError: module 'cv2' has no attribute 'createStereoBM'

I tried to run code from the OpenCV docs for creating a disparity image from left and right stereo images, but it gives me an error. Here is the code I ran. import cv2 from matplotlib import pyplot as plt imgL = cv2.imread(r'D:\left.png', 0) imgR =…
ntd
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What is the baseline of a stereo camera?

Could someone here explain what exactly is the baseline of a camera?
Manish
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7
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OpenCV - Tilted camera and triangulation landmark for stereo vision

I am using a stereo system and so I am trying to get world coordinates of some points by triangulation. My cameras present an angle, the Z axis direction (direction of the depth) is not normal to my surface. That is why when I observe flat surface,…
user3601754
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VTK update position of multiple render windows

I'm running into a bit of a problem when trying to run multiple render windows in a Python VTK application I'm writing. The application is an attempt to render a 3D model in two separate views for a stereo application (i.e. Left render and right…
SwarthyMantooth
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OpenCV Stereo Camera Calibration/Image Rectification

I'm trying to calibrate my two Point Grey (Blackfly) cameras for stereo vision. I'm using the tutorial stereo_calib.cpp that comes with OpenCV (code below). For some reason, I'm getting really bad results (RMS error=4.49756 and average reprojection…
Khaled
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Why does stereo 3D rendering require software written especially for it?

Given a naive take on 3D graphics rendering it seems that stereo 3D rendering should be essentially transparent to the developer and be entirely a feature of the graphics hardware and drivers. Wherever an OpenGL window is displaying a scene, it…
J Collins
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Problems with opencv stereoRectifyUncalibrated

I've been trying to rectify and build the disparity mappping for a pair of images using OpenCV stereoRectifyUncalibrated, but I'm not getting very good results. My code is: template T convertNumber(string& number) { istringstream…
Alberto A
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How to control stereo-frames separately with C#? (NVIDIA 3D shutter glasses)

I’m trying to make a very simple application which would display different images on each eye. I have Asus VG236H monitor and NVIDIA 3D Vision kit, the stereo 3D shutter glasses. The I’m using C#, .NET Framework 2.0, DirectX 9 (Managed Direct X) and…
Andows
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Merging Depth Maps for multi view stereo?

Is there a simple to implement way of merging depth maps? I take pictures of a statue from 3 different positions .Then each stereo pair produces a disparity map.I re-project it to depth using triangulation .Finally I get 3 set of 3d points.How can I…
Manish
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