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Questions tagged [point-clouds]

A point cloud is a set of vertices in three-dimensional space, and is commonly the data set output by 3D scanners.

Point clouds are applicable to a variety of 3D imaging scenarios, including terrain mapping, CAD modeling, animation and metrology. A point cloud is a raw data set that typically needs to be converted into a useful data set, a process known as surface reconstruction. There are a variety of known algorithms that make this conversion.

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how to save laser-scan 3D point cloud as the format of ADF(google tango Area Description File)

the 3D point is generated by my laser-scaner, I want to save it as the format ADF,so Google Tango could use it
jutingdai
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Surface construction with point cloud 3D model in opengl

I am working on a project to construct a 3D model of a shoe. I have now created the point cloud of the shoe but have no idea how to construct the surface of it. I've heard about using bezier surface or Delaunay triangulation and tried using CGAL…
SodaGuns
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Create a .pcd point cloud file from multiple image files

I want to create a 3D PCD file and then display it. I'm not able to figure out how to create a PCD file for a real life object.
Mukul Shukla
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speed up 3d array fill from file using python

I'm filling a 3d array using python, each array element represent a pixel. The values that I need to insert to the array are stored in a very large .txt file (56 millions lines, formatted as follows - x,y,z,r,g,b) right now I: init 3d array with…
VLados
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Importing large set of numbers from a text file into python program in matrix form

I'm trying to import some pointcloud coordinates into python, the values are in a text file in this format 0.0054216 0.11349 0.040749 -0.0017447 0.11425 0.041273 -0.010661 0.11338 0.040916 0.026422 0.11499 0.032623 and so on. Ive tried…
Sarvesh Kumar Malladi
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How to calculate camera intrinsics and extrinsics?

Converting a 2D image captured using camera of an iPhone or Android can be converted to 3D point cloud if we know the camera matrix. I have partial knowledge of how to compute some parameters given some other parameters but I would need your help…
r4ghu
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3D pointCloud indexing in MATLAB

I have a set of 3D points that creates point cloud. Ii can read and display it in MATLAB with this code ptCloud1 = pcread('sub2a.ply') figure showPointCloud(ptCloud1) I need to add labels for each point in dense point cloud display. How can I do…
Babak Ghassemi
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How do I index into a point cloud's points

I was working on a project and stumbled upon an issue with the indexing in three dimensions. How do I index into the z value of a point?
Sebastian Varma
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Lidar for 3d object scanning

Lidar for 3d object scanning which works with rasberry pi, very effective for point cloud, and color image, which scaners are available other Lidar.
Milan Solanki
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How can I remove the numbers outside of the 0-25 from header file?

I have PointCloud.h where it gives points. I wrote something like this on my header file: void RadiusOutlierFilter::filter(PointCloud& pc) { std::remove_if(pc.points(), pc.points() + pc.pointNumber(), [](const Point& p) { return(p <…
filofil
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Selecting a point from a point cloud

Google's Project Tango provides a point cloud, i.e. a floatBuffer with the positions xyz of a set of points in meters. I would like to be able to select one of such points by touching it on the screen. What would be the best/easiest way to achieve…
Girauder
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