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Point·E
From the official code and model release here: https://github.com/openai/point-e, for Point-E: A System for Generating 3D Point Clouds from Complex Prompts.
This model enables text2pointcloud (with base_40m_textvec.pt checkpoint) and img2pointcloud (with base40M.pt checkpoint) generation.
Two kinds of input are accepted:
-
a
promptfor generating point cloud from text, or -
an
imagefor generating point cloud from the image Note that if thepromptis provided, theimagewill be ignored. Therefore for effectively generating point cloud from images please remove thepromptif it was previously set.
The supported output format are:
-
PointCloud saved as
json_file.PointCloudis an array of points sampled on a surface, withcoords: an [N x 3] array of point coordinates, andchannelattributes which corresponds toR,G,Bcolors of the points incoords. We re-ordered the format to more standard way as follows:{ "coords": [...], "colors": [...] },where “coords” is an [N x 3] array of (X,Y,Z) point coordinates, and “colors” is an [N x 3] array of (R,G,B) color values -
Or an
animationof the point cloud