Data Science

Questions tagged [3d-reconstruction]

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How do I apply radon and iradon function in a 3D image

I am using matlab image processing , I have a 3DBodyphantom image of a CT scan which displays the axial,coronal and saggital slices, I am to apply to the image the radon function to get a sinogram and ...
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Generate 3D models from screenshots or screen recordings

I was wondering if there existed any software or libraries that could turn a series of screenshots or screen recordings (such as livestreams or videos) of simple geometries into models that I could ...
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30 views

What is “Laplacian image space”?

I have been working through Beyond Face Rotation: Global and Local Perception GAN for Photorealistic and Identity Preserving Frontal View Synthesis where the authors make the following claim (...
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PointCloud value prediction - regression

I have point clouds for 400 objects. I have also some other features of these objects. For example their weights. How I can now train model to predict the weight based on the shape(point cloud)? I ...
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15 views

How to extract data from 3d model to a data table that is easy to read for machine learning algorithm?

I want to do something similar to Point Cloud. What I am NOT trying to do is to recognize objects or reconstruct them. I have a 3d file and I want to somehow read the data to use it in machine ...
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329 views

How to input a 3d model into ML algorithm?

I have a machine learning model that uses csv with measured data about buildings: width, length, height etc. I use it to predict some features and it works properly. I would like to drop csv with ...
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20 views

Facebook DensePose

I was reading Facebook DensePose paper and i did not understand the method of choosing sampled points for each segmented part of a person in 2d image and getting correspondense on SMPL 3D model, i ...
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19 views

Z values get rescaled while plotting in 3d

x_3d = 5.171875 , 5.3125 , 5.171875 ... 6 y_3d = 0, 1, 2, 3, 4, 5, .... 1500 (1500 points) z_3d = -10.493983 , 22.128998 , -14.582531 , 34.687847 , 11....
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2k views

3D point reconstruction from 2D images

I know this must exist, but I'm having enormous trouble finding the right search terms. Say I have a bunch of labelled 3D points, and I capture multiple 2D images of it. If I want to reconstruct the ...