Search Results for author: Nikos Athanasiou

Found 12 papers, 9 papers with code

TEACH: Temporal Action Composition for 3D Humans

1 code implementation9 Sep 2022 Nikos Athanasiou, Mathis Petrovich, Michael J. Black, Gül Varol

In particular, our goal is to enable the synthesis of a series of actions, which we refer to as temporal action composition.

Motion Synthesis Sentence

Learning to Regress Bodies from Images using Differentiable Semantic Rendering

1 code implementation ICCV 2021 Sai Kumar Dwivedi, Nikos Athanasiou, Muhammed Kocabas, Michael J. Black

For Minimally-Clothed regions, we define the DSR-MC loss, which encourages a tight match between a rendered SMPL body and the minimally-clothed regions of the image.

Ranked #51 on 3D Human Pose Estimation on 3DPW (using extra training data)

3D human pose and shape estimation

Emotional Speech-driven 3D Body Animation via Disentangled Latent Diffusion

1 code implementation7 Dec 2023 Kiran Chhatre, Radek Daněček, Nikos Athanasiou, Giorgio Becherini, Christopher Peters, Michael J. Black, Timo Bolkart

Once trained, AMUSE synthesizes 3D human gestures directly from speech with control over the expressed emotions and style by combining the content from the driving speech with the emotion and style of another speech sequence.

Neural Activation Semantic Models: Computational lexical semantic models of localized neural activations

1 code implementation COLING 2018 Nikos Athanasiou, Elias Iosif, Alex Potamianos, ros

Neural activation models have been proposed in the literature that use a set of example words for which fMRI measurements are available in order to find a mapping between word semantics and localized neural activations.

Dimensionality Reduction Semantic Similarity +2

Cross-topic distributional semantic representations via unsupervised mappings

no code implementations NAACL 2019 Eleftheria Briakou, Nikos Athanasiou, Alexandros Potamianos

In traditional Distributional Semantic Models (DSMs) the multiple senses of a polysemous word are conflated into a single vector space representation.

Word Similarity

SINC: Spatial Composition of 3D Human Motions for Simultaneous Action Generation

no code implementations ICCV 2023 Nikos Athanasiou, Mathis Petrovich, Michael J. Black, Gül Varol

Motivated by the observation that the correspondence between actions and body parts is encoded in powerful language models, we extract this knowledge by prompting GPT-3 with text such as "what are the body parts involved in the action <action name>?

Action Generation

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