Today: Geometric Structures seminar - Felix Rydell - Tuesday May 21st, 2024 , 14:00 (Rome time) - room 133 at SISSA

[Samuel Borza]

Dear All,

This is to remind you of today's seminar from the series "Geometric Structures".

Speaker: Felix Rydell (KTH Royal Institute of Technology)

Title: Nearest Point Problems in Computer Vision
Time: Tuesday May 21st, 2024 , 14:00 (Rome time)
Venue: room 133 - SISSA main building

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Abstract:
Structure-from-Motion in Computer Vision aims to create 3D models of objects based on 2D images. The first step in this pipeline is to identify key features in each image and match these across the different views. After having estimated the camera parameters, world features are obtained by triangulation, which refers to finding the world features that best correspond to the matched image features. This is done by minimizing the distance between the data and our mathematical model; it is a nearest point problem. The number of complex solutions to the associated critical equations given general data is the Euclidean distance degree, which measures the complexity of this optimization problem. In this talk, we describe the algebra and geometry that arises in Structure-from-Motion and discuss the associated nearest point problems and Euclidean distance degrees.
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More information can be found here: https://sites.google.com/view/geometric-structures/

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Samuël Borza