activity
20212026
most citedRemoving Noise from Extracellular Neural Recordings Using Fully Convolutional Denoising Autoencoders

8 citations · 16 across the 9 of their papers we have counts for

collaborators

12 papers

cs.CV2026

CoMind: Understanding Collaborative Human Activity from Multiple Minds and Views

Alexey Gavryushin, Dingxi Zhang, Zhao Huang +8

Human-human collaboration is a fundamental aspect of everyday life, essential to success in a wide range of goal-directed activities from household tasks to professional teamwork.…

cs.RO2026

Hierarchical and Holistic Open-Vocabulary Functional 3D Scene Graphs for Indoor Spaces

Xinggang Hu, Chenyangguang Zhang, Alexandros Delitzas +4

Functional 3D scene graphs offer a versatile and flexible representation for 3D scene understanding and robotic manipulation, defined by object nodes, interactive elements, and fun…

cs.CV2026

FunRec: Reconstructing Functional 3D Scenes from Egocentric Interaction Videos

Alexandros Delitzas, Chenyangguang Zhang, Alexey Gavryushin +8

We present FunRec, a method for reconstructing functional 3D digital twins of indoor scenes directly from egocentric RGB-D interaction videos. Unlike existing methods on articulate…

cs.CV2026

Controllable Egocentric Video Generation via Occlusion-Aware Sparse 3D Hand Joints

Chenyangguang Zhang, Botao Ye, Boqi Chen +4

Controllable video generation for complex hand-object interactions is a critical step toward building visual world models. However, existing methods often struggle to achieve fine-…

cs.CV2025

Action-guided generation of 3D functionality segmentation data

Jaime Corsetti, Francesco Giuliari, Davide Boscaini +6

3D functionality segmentation aims to identify the interactive element in a 3D scene required to perform an action described in free-form language (e.g., the handle to ``Open the s…

cs.CV2025

REACT3D: Recovering Articulations for Interactive Physical 3D Scenes

Zhao Huang, Boyang Sun, Alexandros Delitzas +2

Interactive 3D scenes are increasingly vital for embodied intelligence, yet existing datasets remain limited due to the labor-intensive process of annotating part segmentation, kin…

cs.CV2025

Open-Vocabulary Functional 3D Scene Graphs for Real-World Indoor Spaces

Chenyangguang Zhang, Alexandros Delitzas, Fangjinhua Wang +4

We introduce the task of predicting functional 3D scene graphs for real-world indoor environments from posed RGB-D images. Unlike traditional 3D scene graphs that focus on spatial…

cs.CV2025

SIGHT: Synthesizing Image-Text Conditioned and Geometry-Guided 3D Hand-Object Trajectories

Alexey Gavryushin, Alexandros Delitzas, Luc Van Gool +3

When humans grasp an object, they naturally form trajectories in their minds to manipulate it for specific tasks. Modeling hand-object interaction priors holds significant potentia…

cs.CV2024

Search3D: Hierarchical Open-Vocabulary 3D Segmentation

Ayca Takmaz, Alexandros Delitzas, Robert W. Sumner +3

Open-vocabulary 3D segmentation enables exploration of 3D spaces using free-form text descriptions. Existing methods for open-vocabulary 3D instance segmentation primarily focus on…

cs.CV2023★ 7 cited

Multi-CLIP: Contrastive Vision-Language Pre-training for Question Answering tasks in 3D Scenes

Alexandros Delitzas, Maria Parelli, Nikolas Hars +4

Training models to apply common-sense linguistic knowledge and visual concepts from 2D images to 3D scene understanding is a promising direction that researchers have only recently…

cs.CV2023★ 1 cited

CLIP-Guided Vision-Language Pre-training for Question Answering in 3D Scenes

Maria Parelli, Alexandros Delitzas, Nikolas Hars +4

Training models to apply linguistic knowledge and visual concepts from 2D images to 3D world understanding is a promising direction that researchers have only recently started to e…

q-bio.NC2021★ 8 cited

Removing Noise from Extracellular Neural Recordings Using Fully Convolutional Denoising Autoencoders

Christodoulos Kechris, Alexandros Delitzas, Vasileios Matsoukas +1

Extracellular recordings are severely contaminated by a considerable amount of noise sources, rendering the denoising process an extremely challenging task that should be tackled f…