activity
20172026
most citedDiffH2O: Diffusion-Based Synthesis of Hand-Object Interactions from Textual Descriptions

11 citations · 53 across the 25 of their papers we have counts for

collaborators

28 papers

cs.CV2026

UnStep: Training-Free Acceleration of Causal Video Diffusion with Fewer Steps Than Distillation

Youssef Mansour, Enis Simsar, Fadime Sener +4

Distilling bidirectional multi-step video diffusion transformers into few-step causal models has become a common approach for streaming video generation. While these few-step stude…

cs.CV2026

TrustCLIP: Learning Private Visual Features via Adversarial Reconstruction

Nikos Athanasiou, Ilya A. Petrov, Angela Yao +7

Vision and vision-language models rely on high-level visual representations that are increasingly used across recognition, retrieval, and multimodal reasoning pipelines. However, r…

cs.CV2026

Decouple and Cache: KV Cache Construction for Streaming Video Understanding

Zhanzhong Pang, Dibyadip Chatterjee, Fadime Sener +1

Streaming video understanding requires processing unbounded video streams with limited memory and computation, posing two key challenges. First, continuously constructing new and e…

cs.CV2026

Don't Pause! Every prediction matters in a streaming video

Dibyadip Chatterjee, Zhanzhong Pang, Fadime Sener +2

Streaming video models should respond the moment an event unfolds, not after the moment has passed. Yet existing online VideoQA benchmarks remain largely retrospective. They pause…

cs.CV2026

On Discriminative vs. Generative classifiers: Rethinking MLLMs for Action Understanding

Zhanzhong Pang, Dibyadip Chatterjee, Fadime Sener +1

Multimodal Large Language Models (MLLMs) have advanced open-world action understanding and can be adapted as generative classifiers for closed-set settings by autoregressively gene…

cs.CV2025

SneakPeek: Future-Guided Instructional Streaming Video Generation

Cheeun Hong, German Barquero, Fadime Sener +6

Instructional video generation is an emerging task that aims to synthesize coherent demonstrations of procedural activities from textual descriptions. Such capability has broad imp…

cs.CV2025

PALM: A Dataset and Baseline for Learning Multi-subject Hand Prior

Zicong Fan, Edoardo Remelli, David Dimond +5

The ability to grasp objects, signal with gestures, and share emotion through touch all stem from the unique capabilities of human hands. Yet creating high-quality personalized han…

cs.CV2025

Memory-efficient Streaming VideoLLMs for Real-time Procedural Video Understanding

Dibyadip Chatterjee, Edoardo Remelli, Yale Song +9

We introduce ProVideLLM, an end-to-end framework for real-time procedural video understanding. ProVideLLM integrates a multimodal cache configured to store two types of tokens - ve…

cs.CV2025

Context-Enhanced Memory-Refined Transformer for Online Action Detection

Zhanzhong Pang, Fadime Sener, Angela Yao

Online Action Detection (OAD) detects actions in streaming videos using past observations. State-of-the-art OAD approaches model past observations and their interactions with an an…

cs.CV2025

Cost-Sensitive Learning for Long-Tailed Temporal Action Segmentation

Zhanzhong Pang, Fadime Sener, Shrinivas Ramasubramanian +1

Temporal action segmentation in untrimmed procedural videos aims to densely label frames into action classes. These videos inherently exhibit long-tailed distributions, where actio…

cs.CV2024

Long-Tail Temporal Action Segmentation with Group-wise Temporal Logit Adjustment

Zhanzhong Pang, Fadime Sener, Shrinivas Ramasubramanian +1

Procedural activity videos often exhibit a long-tailed action distribution due to varying action frequencies and durations. However, state-of-the-art temporal action segmentation m…

cs.CV2024

X-MIC: Cross-Modal Instance Conditioning for Egocentric Action Generalization

Anna Kukleva, Fadime Sener, Edoardo Remelli +4

Lately, there has been growing interest in adapting vision-language models (VLMs) to image and third-person video classification due to their success in zero-shot recognition. Howe…

cs.CV2024★ 11 cited

DiffH2O: Diffusion-Based Synthesis of Hand-Object Interactions from Textual Descriptions

Sammy Christen, Shreyas Hampali, Fadime Sener +5

Generating natural hand-object interactions in 3D is challenging as the resulting hand and object motions are expected to be physically plausible and semantically meaningful. Furth…

cs.CV2024

On the Utility of 3D Hand Poses for Action Recognition

Md Salman Shamil, Dibyadip Chatterjee, Fadime Sener +2

3D hand pose is an underexplored modality for action recognition. Poses are compact yet informative and can greatly benefit applications with limited compute budgets. However, pose…

cs.CV2023★ 4 cited

Opening the Vocabulary of Egocentric Actions

Dibyadip Chatterjee, Fadime Sener, Shugao Ma +1

Human actions in egocentric videos are often hand-object interactions composed from a verb (performed by the hand) applied to an object. Despite their extensive scaling up, egocent…

cs.AI2023★ 3 cited

Every Mistake Counts in Assembly

Guodong Ding, Fadime Sener, Shugao Ma +1

One promising use case of AI assistants is to help with complex procedures like cooking, home repair, and assembly tasks. Can we teach the assistant to interject after the user mak…

cs.CV2023★ 4 cited

AssemblyHands: Towards Egocentric Activity Understanding via 3D Hand Pose Estimation

Takehiko Ohkawa, Kun He, Fadime Sener +3

We present AssemblyHands, a large-scale benchmark dataset with accurate 3D hand pose annotations, to facilitate the study of egocentric activities with challenging hand-object inte…

cs.CV2022★ 2 cited

Temporal Action Segmentation: An Analysis of Modern Techniques

Guodong Ding, Fadime Sener, Angela Yao

Temporal action segmentation (TAS) in videos aims at densely identifying video frames in minutes-long videos with multiple action classes. As a long-range video understanding task,…

cs.CV2022★ 4 cited

Assembly101: A Large-Scale Multi-View Video Dataset for Understanding Procedural Activities

Fadime Sener, Dibyadip Chatterjee, Daniel Shelepov +4

Assembly101 is a new procedural activity dataset featuring 4321 videos of people assembling and disassembling 101 "take-apart" toy vehicles. Participants work without fixed instruc…

cs.CV2021★ 4 cited

Technical Report: Temporal Aggregate Representations

Fadime Sener, Dibyadip Chatterjee, Angela Yao

This technical report extends our work presented in [9] with more experiments. In [9], we tackle long-term video understanding, which requires reasoning from current and past or fu…

cs.CV2021

Transformed ROIs for Capturing Visual Transformations in Videos

Abhinav Rai, Fadime Sener, Angela Yao

Modeling the visual changes that an action brings to a scene is critical for video understanding. Currently, CNNs process one local neighbourhood at a time, thus contextual relatio…

cs.CV2021

Transferring Knowledge from Text to Video: Zero-Shot Anticipation for Procedural Actions

Fadime Sener, Rishabh Saraf, Angela Yao

Can we teach a robot to recognize and make predictions for activities that it has never seen before? We tackle this problem by learning models for video from text. This paper prese…

cs.CV2020★ 7 cited

Temporal Aggregate Representations for Long-Range Video Understanding

Fadime Sener, Dipika Singhania, Angela Yao

Future prediction, especially in long-range videos, requires reasoning from current and past observations. In this work, we address questions of temporal extent, scaling, and level…

cs.CV2019

Unsupervised learning of action classes with continuous temporal embedding

Anna Kukleva, Hilde Kuehne, Fadime Sener +1

The task of temporally detecting and segmenting actions in untrimmed videos has seen an increased attention recently. One problem in this context arises from the need to define and…