Search Results for author: Tassilo Klein

Found 29 papers, 9 papers with code

miCSE: Mutual Information Contrastive Learning for Low-shot Sentence Embeddings

2 code implementations9 Nov 2022 Tassilo Klein, Moin Nabi

This study opens up avenues for efficient self-supervised learning methods that are more robust than current contrastive methods for sentence embedding.

Contrastive Learning Few-Shot Learning +4

Mixture-of-experts VAEs can disregard variation in surjective multimodal data

no code implementations11 Apr 2022 Jannik Wolff, Tassilo Klein, Moin Nabi, Rahul G. Krishnan, Shinichi Nakajima

Machine learning systems are often deployed in domains that entail data from multiple modalities, for example, phenotypic and genotypic characteristics describe patients in healthcare.

SCD: Self-Contrastive Decorrelation for Sentence Embeddings

1 code implementation15 Mar 2022 Tassilo Klein, Moin Nabi

In this paper, we propose Self-Contrastive Decorrelation (SCD), a self-supervised approach.

Self-Supervised Learning Sentence +1

Hierarchical Multimodal Variational Autoencoders

no code implementations29 Sep 2021 Jannik Wolff, Rahul G Krishnan, Lukas Ruff, Jan Nikolas Morshuis, Tassilo Klein, Shinichi Nakajima, Moin Nabi

Humans find structure in natural phenomena by absorbing stimuli from multiple input sources such as vision, text, and speech.

Attention-based Contrastive Learning for Winograd Schemas

1 code implementation Findings (EMNLP) 2021 Tassilo Klein, Moin Nabi

Self-supervised learning has recently attracted considerable attention in the NLP community for its ability to learn discriminative features using a contrastive objective.

Contrastive Learning Self-Supervised Learning

Learning Private Representations with Focal Entropy

no code implementations1 Jan 2021 Tassilo Klein, Moin Nabi

Specifically, we propose focal entropy - a variant of entropy embedded in an adversarial representation learning setting to leverage privacy sanitization.

Representation Learning

Multimodal Prototypical Networks for Few-shot Learning

no code implementations17 Nov 2020 Frederik Pahde, Mihai Puscas, Tassilo Klein, Moin Nabi

Although providing exceptional results for many computer vision tasks, state-of-the-art deep learning algorithms catastrophically struggle in low data scenarios.

Classification Few-Shot Learning +1

Learning Graph-Based Priors for Generalized Zero-Shot Learning

no code implementations22 Oct 2020 Colin Samplawski, Jannik Wolff, Tassilo Klein, Moin Nabi

The task of zero-shot learning (ZSL) requires correctly predicting the label of samples from classes which were unseen at training time.

Generalized Zero-Shot Learning Word Embeddings

Contrastive Self-Supervised Learning for Commonsense Reasoning

3 code implementations ACL 2020 Tassilo Klein, Moin Nabi

We achieve such commonsense reasoning by constructing pair-wise contrastive auxiliary predictions.

Self-Supervised Learning

Multimodal Self-Supervised Learning for Medical Image Analysis

no code implementations11 Dec 2019 Aiham Taleb, Christoph Lippert, Tassilo Klein, Moin Nabi

We introduce the multimodal puzzle task, which facilitates rich representation learning from multiple image modalities.

Brain Tumor Segmentation Data Augmentation +5

Pruning at a Glance: Global Neural Pruning for Model Compression

no code implementations30 Nov 2019 Abdullah Salama, Oleksiy Ostapenko, Tassilo Klein, Moin Nabi

We prove the viability of our method by producing highly compressed models, namely VGG-16, ResNet-56, and ResNet-110 respectively on CIFAR10 without losing any performance compared to the baseline, as well as ResNet-34 and ResNet-50 on ImageNet without a significant loss of accuracy.

Model Compression

Learning to Answer by Learning to Ask: Getting the Best of GPT-2 and BERT Worlds

no code implementations6 Nov 2019 Tassilo Klein, Moin Nabi

In this work, we propose a variant of the self-attention Transformer network architectures model to generate meaningful and diverse questions.

Language Modelling Question Answering +3

Privacy-preserving Representation Learning by Disentanglement

no code implementations25 Sep 2019 Tassilo Klein, Moin Nabi

The proposed approach deals with the setting where the private features are not explicit, and is estimated though the course of learning.

Attribute Disentanglement +1

Budget-Aware Adapters for Multi-Domain Learning

no code implementations ICCV 2019 Rodrigo Berriel, Stéphane Lathuilière, Moin Nabi, Tassilo Klein, Thiago Oliveira-Santos, Nicu Sebe, Elisa Ricci

To implement this idea we derive specialized deep models for each domain by adapting a pre-trained architecture but, differently from other methods, we propose a novel strategy to automatically adjust the computational complexity of the network.

Low-Shot Learning from Imaginary 3D Model

no code implementations4 Jan 2019 Frederik Pahde, Mihai Puscas, Jannik Wolff, Tassilo Klein, Nicu Sebe, Moin Nabi

Since the advent of deep learning, neural networks have demonstrated remarkable results in many visual recognition tasks, constantly pushing the limits.

Few-Shot Learning

Cross-modal Hallucination for Few-shot Fine-grained Recognition

no code implementations13 Jun 2018 Frederik Pahde, Patrick Jähnichen, Tassilo Klein, Moin Nabi

State-of-the-art deep learning algorithms generally require large amounts of data for model training.

Hallucination

Gaussian Process Uncertainty in Age Estimation as a Measure of Brain Abnormality

no code implementations4 Apr 2018 Benjamin Gutierrez Becker, Tassilo Klein, Christian Wachinger

Finally, we illustrate differences in the disease pattern to normal aging, supporting the application of uncertainty as a measure of neuropathology.

Age Estimation regression

Differentially Private Federated Learning: A Client Level Perspective

5 code implementations ICLR 2019 Robin C. Geyer, Tassilo Klein, Moin Nabi

In such an attack, a client's contribution during training and information about their data set is revealed through analyzing the distributed model.

Federated Learning Privacy Preserving

A Multi-Armed Bandit to Smartly Select a Training Set from Big Medical Data

no code implementations23 May 2017 Benjamín Gutiérrez, Loïc Peter, Tassilo Klein, Christian Wachinger

With the availability of big medical image data, the selection of an adequate training set is becoming more important to address the heterogeneity of different datasets.

Thompson Sampling

DeepNAT: Deep Convolutional Neural Network for Segmenting Neuroanatomy

no code implementations27 Feb 2017 Christian Wachinger, Martin Reuter, Tassilo Klein

We introduce DeepNAT, a 3D Deep convolutional neural network for the automatic segmentation of NeuroAnaTomy in T1-weighted magnetic resonance images.

Brain Segmentation Multi-class Classification +2

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