activity
20152024
most citedA Hybrid RNN-HMM Approach for Weakly Supervised Temporal Action Segmentation

99 citations · 279 across the 37 of their papers we have counts for

collaborators

43 papers

cs.LG2024

Newton Losses: Using Curvature Information for Learning with Differentiable Algorithms

Felix Petersen, Christian Borgelt, Tobias Sutter +3

When training neural networks with custom objectives, such as ranking losses and shortest-path losses, a common problem is that they are, per se, non-differentiable. A popular appr…

cs.CV2023★ 1 cited

Learning Human Action Recognition Representations Without Real Humans

Howard Zhong, Samarth Mishra, Donghyun Kim +7

Pre-training on massive video datasets has become essential to achieve high action recognition performance on smaller downstream datasets. However, most large-scale video datasets…

cs.CV2023★ 4 cited

HowToCaption: Prompting LLMs to Transform Video Annotations at Scale

Nina Shvetsova, Anna Kukleva, Xudong Hong +3

Instructional videos are a common source for learning text-video or even multimodal representations by leveraging subtitles extracted with automatic speech recognition systems (ASR…

cs.CV2023

In-Style: Bridging Text and Uncurated Videos with Style Transfer for Text-Video Retrieval

Nina Shvetsova, Anna Kukleva, Bernt Schiele +1

Large-scale noisy web image-text datasets have been proven to be efficient for learning robust vision-language models. However, when transferring them to the task of video retrieva…

cs.CV2023

Preserving Modality Structure Improves Multi-Modal Learning

Swetha Sirnam, Mamshad Nayeem Rizve, Nina Shvetsova +2

Self-supervised learning on large-scale multi-modal datasets allows learning semantically meaningful embeddings in a joint multi-modal representation space without relying on human…

cs.CL2023

Comparison of Multilingual Self-Supervised and Weakly-Supervised Speech Pre-Training for Adaptation to Unseen Languages

Andrew Rouditchenko, Sameer Khurana, Samuel Thomas +6

Recent models such as XLS-R and Whisper have made multilingual speech technologies more accessible by pre-training on audio from around 100 spoken languages each. However, there ar…

cs.CV2023★ 4 cited

Learning Situation Hyper-Graphs for Video Question Answering

Aisha Urooj Khan, Hilde Kuehne, Bo Wu +5

Answering questions about complex situations in videos requires not only capturing the presence of actors, objects, and their relations but also the evolution of these relationship…

cs.LG2023

ISAAC Newton: Input-based Approximate Curvature for Newton's Method

Felix Petersen, Tobias Sutter, Christian Borgelt +4

We present ISAAC (Input-baSed ApproximAte Curvature), a novel method that conditions the gradient using selected second-order information and has an asymptotically vanishing comput…

cs.CV2023★ 6 cited

WEAR: An Outdoor Sports Dataset for Wearable and Egocentric Activity Recognition

Marius Bock, Hilde Kuehne, Kristof Van Laerhoven +1

Research has shown the complementarity of camera- and inertial-based data for modeling human activities, yet datasets with both egocentric video and inertial-based sensor data rema…

cs.CV2023★ 7 cited

Temperature Schedules for Self-Supervised Contrastive Methods on Long-Tail Data

Anna Kukleva, Moritz Böhle, Bernt Schiele +2

Most approaches for self-supervised learning (SSL) are optimised on curated balanced datasets, e.g. ImageNet, despite the fact that natural data usually exhibits long-tail distribu…

cs.CV2023★ 2 cited

TAEC: Unsupervised Action Segmentation with Temporal-Aware Embedding and Clustering

Wei Lin, Anna Kukleva, Horst Possegger +2

Temporal action segmentation in untrimmed videos has gained increased attention recently. However, annotating action classes and frame-wise boundaries is extremely time consuming a…

cs.CV2023★ 1 cited

What, when, and where? -- Self-Supervised Spatio-Temporal Grounding in Untrimmed Multi-Action Videos from Narrated Instructions

Brian Chen, Nina Shvetsova, Andrew Rouditchenko +6

Spatio-temporal grounding describes the task of localizing events in space and time, e.g., in video data, based on verbal descriptions only. Models for this task are usually traine…

cs.CV2023★ 2 cited

MAtch, eXpand and Improve: Unsupervised Finetuning for Zero-Shot Action Recognition with Language Knowledge

Wei Lin, Leonid Karlinsky, Nina Shvetsova +6

Large scale Vision-Language (VL) models have shown tremendous success in aligning representations between visual and text modalities. This enables remarkable progress in zero-shot…

cs.CV2023

Learning by Sorting: Self-supervised Learning with Group Ordering Constraints

Nina Shvetsova, Felix Petersen, Anna Kukleva +2

Contrastive learning has become an important tool in learning representations from unlabeled data mainly relying on the idea of minimizing distance between positive data pairs, e.g…

cs.CV2022

Video Test-Time Adaptation for Action Recognition

Wei Lin, Muhammad Jehanzeb Mirza, Mateusz Kozinski +3

Although action recognition systems can achieve top performance when evaluated on in-distribution test points, they are vulnerable to unanticipated distribution shifts in test data…

cs.LG2022★ 5 cited

Deep Differentiable Logic Gate Networks

Felix Petersen, Christian Borgelt, Hilde Kuehne +1

Recently, research has increasingly focused on developing efficient neural network architectures. In this work, we explore logic gate networks for machine learning tasks by learnin…

cs.CL2022

C2KD: Cross-Lingual Cross-Modal Knowledge Distillation for Multilingual Text-Video Retrieval

Andrew Rouditchenko, Yung-Sung Chuang, Nina Shvetsova +7

Multilingual text-video retrieval methods have improved significantly in recent years, but the performance for other languages lags behind English. We propose a Cross-Lingual Cross…

cs.CV2022★ 2 cited

VL-Taboo: An Analysis of Attribute-based Zero-shot Capabilities of Vision-Language Models

Felix Vogel, Nina Shvetsova, Leonid Karlinsky +1

Vision-language models trained on large, randomly collected data had significant impact in many areas since they appeared. But as they show great performance in various fields, suc…

cs.LG2022★ 10 cited

Differentiable Top-k Classification Learning

Felix Petersen, Hilde Kuehne, Christian Borgelt +1

The top-k classification accuracy is one of the core metrics in machine learning. Here, k is conventionally a positive integer, such as 1 or 5, leading to top-1 or top-5 training o…

cs.LG2022

Monotonic Differentiable Sorting Networks

Felix Petersen, Christian Borgelt, Hilde Kuehne +1

Differentiable sorting algorithms allow training with sorting and ranking supervision, where only the ordering or ranking of samples is known. Various methods have been proposed to…

cs.CV2022

CycDA: Unsupervised Cycle Domain Adaptation from Image to Video

Wei Lin, Anna Kukleva, Kunyang Sun +3

Although action recognition has achieved impressive results over recent years, both collection and annotation of video training data are still time-consuming and cost intensive. Th…

cs.CV2021

Everything at Once -- Multi-modal Fusion Transformer for Video Retrieval

Nina Shvetsova, Brian Chen, Andrew Rouditchenko +6

Multi-modal learning from video data has seen increased attention recently as it allows to train semantically meaningful embeddings without human annotation enabling tasks like zer…

cs.CL2021

Cascaded Multilingual Audio-Visual Learning from Videos

Andrew Rouditchenko, Angie Boggust, David Harwath +8

In this paper, we explore self-supervised audio-visual models that learn from instructional videos. Prior work has shown that these models can relate spoken words and sounds to vis…

cs.LG2021★ 5 cited

Learning with Algorithmic Supervision via Continuous Relaxations

Felix Petersen, Christian Borgelt, Hilde Kuehne +1

The integration of algorithmic components into neural architectures has gained increased attention recently, as it allows training neural networks with new forms of supervision suc…