Talk:Topological data analysis

Concepts

The persistent homology group is defined as a persistent module, however, no effort is made in connecting the definition of the former to that of the latter. It would make the text much more readable if it is explicitly stated what the vector space and the linear map are for the persistent homology group. — Preceding unsigned comment added by 67.71.66.230 (talk) 14:49, 25 August 2017 (UTC)

3D from 2D

"we infer a 3D environment from a 2D image from each eye" -- this is a misconception. Actually, it's a series of 2D images from different perspectives due to miniscule eye movements. This fact was known to Poincare, but unknown to early computer vision researchers, causing them huge problems.

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