Search Results for author: Andreas Robinson

Found 8 papers, 4 papers with code

O$n$ Learning Deep O($n$)-Equivariant Hyperspheres

no code implementations24 May 2023 Pavlo Melnyk, Michael Felsberg, Mårten Wadenbäck, Andreas Robinson, Cuong Le

In this paper, we utilize hyperspheres and regular $n$-simplexes and propose an approach to learning deep features equivariant under the transformations of $n$D reflections and rotations, encompassed by the powerful group of O$(n)$.

Flow-guided Semi-supervised Video Object Segmentation

no code implementations25 Jan 2023 Yushan Zhang, Andreas Robinson, Maria Magnusson, Michael Felsberg

A model to extract the combined information from optical flow and the image is proposed, which is then used as input to the target model and the decoder network.

Object Optical Flow Estimation +5

TetraSphere: A Neural Descriptor for O(3)-Invariant Point Cloud Analysis

1 code implementation26 Nov 2022 Pavlo Melnyk, Andreas Robinson, Michael Felsberg, Mårten Wadenbäck

In our approach, we perform TetraTransform--an equivariant embedding of the 3D input into 4D, constructed from the steerable neurons--and extract deeper O(3)-equivariant features using vector neurons.

3D Point Cloud Classification Point Cloud Classification

Progress Extrapolating Algorithmic Learning to Arbitrary Sequence Lengths

no code implementations18 Mar 2020 Andreas Robinson

Recent neural network models for algorithmic tasks have led to significant improvements in extrapolation to sequences much longer than training, but it remains an outstanding problem that the performance still degrades for very long or adversarial sequences.

Learning Fast and Robust Target Models for Video Object Segmentation

2 code implementations CVPR 2020 Andreas Robinson, Felix Järemo Lawin, Martin Danelljan, Fahad Shahbaz Khan, Michael Felsberg

The target appearance model consists of a light-weight module, which is learned during the inference stage using fast optimization techniques to predict a coarse but robust target segmentation.

One-shot visual object segmentation Segmentation +2

Discriminative Online Learning for Fast Video Object Segmentation

no code implementations18 Apr 2019 Andreas Robinson, Felix Järemo Lawin, Martin Danelljan, Fahad Shahbaz Khan, Michael Felsberg

We propose a novel approach, based on a dedicated target appearance model that is exclusively learned online to discriminate between the target and background image regions.

Object One-shot visual object segmentation +4

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