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Steffen Czolbe

3 accepted papers

2021

Spot the Difference: Detection of Topological Changes via Geometric Alignment

NeurIPS 2021poster

Geometric alignment appears in a variety of applications, ranging from domain adaptation, optimal transport, and normalizing flows in machine learning; optical flow and learned augmentation in computer vision and deformable registration within biomedical imaging. A recurring challenge is the alignme…

2020

A Loss Function for Generative Neural Networks Based on Watson’s Perceptual Model

NeurIPS 2020poster

To train Variational Autoencoders (VAEs) to generate realistic imagery requires a loss function that reflects human perception of image similarity. We propose such a loss function based on Watson's perceptual model, which computes a weighted distance in frequency space and accounts for luminance an…