Search Results for author: Phillip Lippe

Found 15 papers, 12 papers with code

Towards the Reusability and Compositionality of Causal Representations

no code implementations14 Mar 2024 Davide Talon, Phillip Lippe, Stuart James, Alessio Del Bue, Sara Magliacane

Causal Representation Learning (CRL) aims at identifying high-level causal factors and their relationships from high-dimensional observations, e. g., images.

Representation Learning Temporal Sequences

How to Train Neural Field Representations: A Comprehensive Study and Benchmark

1 code implementation16 Dec 2023 Samuele Papa, Riccardo Valperga, David Knigge, Miltiadis Kofinas, Phillip Lippe, Jan-Jakob Sonke, Efstratios Gavves

In this work, we propose $\verb|fit-a-nef|$, a JAX-based library that leverages parallelization to enable fast optimization of large-scale NeF datasets, resulting in a significant speed-up.

Benchmarking

BISCUIT: Causal Representation Learning from Binary Interactions

1 code implementation16 Jun 2023 Phillip Lippe, Sara Magliacane, Sindy Löwe, Yuki M. Asano, Taco Cohen, Efstratios Gavves

Identifying the causal variables of an environment and how to intervene on them is of core value in applications such as robotics and embodied AI.

Causal Discovery Causal Identification +1

Mesh Neural Networks for SE(3)-Equivariant Hemodynamics Estimation on the Artery Wall

1 code implementation9 Dec 2022 Julian Suk, Pim de Haan, Phillip Lippe, Christoph Brune, Jelmer M. Wolterink

Computational fluid dynamics (CFD) is a valuable asset for patient-specific cardiovascular-disease diagnosis and prognosis, but its high computational demands hamper its adoption in practice.

Differentiable Mathematical Programming for Object-Centric Representation Learning

no code implementations5 Oct 2022 Adeel Pervez, Phillip Lippe, Efstratios Gavves

To solve the graph cuts our solution relies on an efficient, scalable, and differentiable quadratic programming approximation.

Object Object Discovery +1

Causal Representation Learning for Instantaneous and Temporal Effects in Interactive Systems

1 code implementation13 Jun 2022 Phillip Lippe, Sara Magliacane, Sindy Löwe, Yuki M. Asano, Taco Cohen, Efstratios Gavves

To address this issue, we propose iCITRIS, a causal representation learning method that allows for instantaneous effects in intervened temporal sequences when intervention targets can be observed, e. g., as actions of an agent.

Causal Discovery Representation Learning +1

Complex-Valued Autoencoders for Object Discovery

1 code implementation5 Apr 2022 Sindy Löwe, Phillip Lippe, Maja Rudolph, Max Welling

Object-centric representations form the basis of human perception, and enable us to reason about the world and to systematically generalize to new settings.

Object Object Discovery

Weakly supervised causal representation learning

no code implementations30 Mar 2022 Johann Brehmer, Pim de Haan, Phillip Lippe, Taco Cohen

Learning high-level causal representations together with a causal model from unstructured low-level data such as pixels is impossible from observational data alone.

Representation Learning

CITRIS: Causal Identifiability from Temporal Intervened Sequences

1 code implementation7 Feb 2022 Phillip Lippe, Sara Magliacane, Sindy Löwe, Yuki M. Asano, Taco Cohen, Efstratios Gavves

Understanding the latent causal factors of a dynamical system from visual observations is considered a crucial step towards agents reasoning in complex environments.

Representation Learning Temporal Sequences

Mesh convolutional neural networks for wall shear stress estimation in 3D artery models

1 code implementation10 Sep 2021 Julian Suk, Pim de Haan, Phillip Lippe, Christoph Brune, Jelmer M. Wolterink

In this work, we propose to instead use mesh convolutional neural networks that directly operate on the same finite-element surface mesh as used in CFD.

Efficient Neural Causal Discovery without Acyclicity Constraints

2 code implementations ICLR 2022 Phillip Lippe, Taco Cohen, Efstratios Gavves

Learning the structure of a causal graphical model using both observational and interventional data is a fundamental problem in many scientific fields.

Causal Discovery

Meta-Learning for Fast Cross-Lingual Adaptation in Dependency Parsing

1 code implementation ACL 2022 Anna Langedijk, Verna Dankers, Phillip Lippe, Sander Bos, Bryan Cardenas Guevara, Helen Yannakoudakis, Ekaterina Shutova

Meta-learning, or learning to learn, is a technique that can help to overcome resource scarcity in cross-lingual NLP problems, by enabling fast adaptation to new tasks.

Dependency Parsing Few-Shot Learning

Categorical Normalizing Flows via Continuous Transformations

1 code implementation ICLR 2021 Phillip Lippe, Efstratios Gavves

Based on Categorical Normalizing Flows, we propose GraphCNF a permutation-invariant generative model on graphs.

Inductive Bias Variational Inference

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