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Stefania Petra

21 papers hereh-index 14706 citations73 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author3
  • middle author16
  • last author2

Across the 21 of 21 papers where every author was matched, so the position is known.

fields
  • math.NA6
  • math.OC5
  • cs.LG3
  • stat.ML3
  • cs.CV2
  • math.DS2

identity via Semantic Scholar / OpenAlex

activity
20122026
most citedImage Labeling by Assignment

56 citations · 99 across the 19 of their papers we have counts for

collaborators
Showing cs.LGShow all

3 papers · 1 filter

cs.LG2021

Learning Linearized Assignment Flows for Image Labeling

Alexander Zeilmann, Stefania Petra, Christoph Schnörr

We introduce a novel algorithm for estimating optimal parameters of linearized assignment flows for image labeling. An exact formula is derived for the parameter gradient of any lo…

cs.LG2019

Self-Assignment Flows for Unsupervised Data Labeling on Graphs

Matthias Zisler, Artjom Zern, Stefania Petra +1

This paper extends the recently introduced assignment flow approach for supervised image labeling to unsupervised scenarios where no labels are given. The resulting self-assignment…

cs.LG2019★ 7 cited

Unsupervised Assignment Flow: Label Learning on Feature Manifolds by Spatially Regularized Geometric Assignment

Artjom Zern, Matthias Zisler, Stefania Petra +1

This paper introduces the unsupervised assignment flow that couples the assignment flow for supervised image labeling with Riemannian gradient flows for label evolution on feature…

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