Search Results for author: Otmar Scherzer

Found 9 papers, 2 papers with code

Classification with neural networks with quadratic decision functions

no code implementations19 Jan 2024 Leon Frischauf, Otmar Scherzer, Cong Shi

Neural network with quadratic decision functions have been introduced as alternatives to standard neural networks with affine linear one.

Classification

Uncertainty-Aware Blob Detection with an Application to Integrated-Light Stellar Population Recoveries

no code implementations11 Aug 2022 Fabian Parzer, Prashin Jethwa, Alina Boecker, Mayte Alfaro-Cuello, Otmar Scherzer, Glenn van de Ven

In this context, blobs may correspond to stars born in-situ versus those accreted from satellites, and the task of blob detection is to disentangle these components.

Astronomy

Diffusion Tensor Regularization with Metric Double Integrals

no code implementations3 Apr 2020 Leon Frischauf, Melanie Melching, Otmar Scherzer

In this paper we propose a variational regularization method for denoising and inpainting of diffusion tensor magnetic resonance images.

Denoising Optimization and Control 47A52, 65J20

Optical Flow on Evolving Sphere-Like Surfaces

1 code implementation10 Jun 2015 Lukas F. Lang, Otmar Scherzer

In this work we consider optical flow on evolving Riemannian 2-manifolds which can be parametrised from the 2-sphere.

Optical Flow Estimation

On a spatial-temporal decomposition of the optical flow

no code implementations13 May 2015 Aniello Raffale Patrone, Otmar Scherzer

In this paper we present a decomposition algorithm for computation of the spatial-temporal optical flow of a dynamic image sequence.

Motion Detection Optical Flow Estimation

Decomposition of Optical Flow on the Sphere

1 code implementation16 Dec 2013 Clemens Kirisits, Lukas F. Lang, Otmar Scherzer

We propose a number of variational regularisation methods for the estimation and decomposition of motion fields on the $2$-sphere.

Motion Estimation Optical Flow Estimation

Optical Flow on Evolving Surfaces with Space and Time Regularisation

no code implementations1 Oct 2013 Clemens Kirisits, Lukas F. Lang, Otmar Scherzer

We extend the concept of optical flow with spatiotemporal regularisation to a dynamic non-Euclidean setting.

Motion Estimation Optical Flow Estimation

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