activity
20172025
most citedThe ActivityNet Large-Scale Activity Recognition Challenge 2018 Summary

53 citations · 132 across the 13 of their papers we have counts for

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14 papers · 1 filter

cs.CV2025

MoCA-Video: Motion-Aware Concept Alignment for Consistent Video Editing

Tong Zhang, Juan C Leon Alcazar, Victor Escorcia +1

Unlike traditional video editing or inpainting, video semantic mixing fuses a reference concept with a moving target entity to produce a hybrid while preserving the source video's…

cs.CV2024

Edge-SD-SR: Low Latency and Parameter Efficient On-device Super-Resolution with Stable Diffusion via Bidirectional Conditioning

Mehdi Noroozi, Isma Hadji, Victor Escorcia +3

There has been immense progress recently in the visual quality of Stable Diffusion-based Super Resolution (SD-SR). However, deploying large diffusion models on computationally rest…

cs.CV2022

SOS! Self-supervised Learning Over Sets Of Handled Objects In Egocentric Action Recognition

Victor Escorcia, Ricardo Guerrero, Xiatian Zhu +1

Learning an egocentric action recognition model from video data is challenging due to distractors (e.g., irrelevant objects) in the background. Further integrating object informati…

cs.CV2022

OWL (Observe, Watch, Listen): Audiovisual Temporal Context for Localizing Actions in Egocentric Videos

Merey Ramazanova, Victor Escorcia, Fabian Caba Heilbron +2

Egocentric videos capture sequences of human activities from a first-person perspective and can provide rich multimodal signals. However, most current localization methods use thir…

cs.CV2022★ 1 cited

vCLIMB: A Novel Video Class Incremental Learning Benchmark

Andrés Villa, Kumail Alhamoud, Juan León Alcázar +3

Continual learning (CL) is under-explored in the video domain. The few existing works contain splits with imbalanced class distributions over the tasks, or study the problem in uns…

cs.CV2021

TNT: Text-Conditioned Network with Transductive Inference for Few-Shot Video Classification

Andrés Villa, Juan-Manuel Perez-Rua, Victor Escorcia +3

Recently, few-shot video classification has received an increasing interest. Current approaches mostly focus on effectively exploiting the temporal dimension in videos to improve l…

cs.CV2020★ 1 cited

Boundary-sensitive Pre-training for Temporal Localization in Videos

Mengmeng Xu, Juan-Manuel Perez-Rua, Victor Escorcia +5

Many video analysis tasks require temporal localization thus detection of content changes. However, most existing models developed for these tasks are pre-trained on general video…

cs.CV2020★ 2 cited

Egocentric Action Recognition by Video Attention and Temporal Context

Juan-Manuel Perez-Rua, Antoine Toisoul, Brais Martinez +4

We present the submission of Samsung AI Centre Cambridge to the CVPR2020 EPIC-Kitchens Action Recognition Challenge. In this challenge, action recognition is posed as the problem o…

cs.CV2020★ 17 cited

Knowing What, Where and When to Look: Efficient Video Action Modeling with Attention

Juan-Manuel Perez-Rua, Brais Martinez, Xiatian Zhu +3

Attentive video modeling is essential for action recognition in unconstrained videos due to their rich yet redundant information over space and time. However, introducing attention…

cs.CV2019★ 3 cited

Finding Moments in Video Collections Using Natural Language

Victor Escorcia, Mattia Soldan, Josef Sivic +2

We introduce the task of retrieving relevant video moments from a large corpus of untrimmed, unsegmented videos given a natural language query. Our task poses unique challenges as…

cs.CV2018★ 53 cited

The ActivityNet Large-Scale Activity Recognition Challenge 2018 Summary

Bernard Ghanem, Juan Carlos Niebles, Cees Snoek +6

The 3rd annual installment of the ActivityNet Large- Scale Activity Recognition Challenge, held as a full-day workshop in CVPR 2018, focused on the recognition of daily life, high-…

cs.CV2018★ 5 cited

Diagnosing Error in Temporal Action Detectors

Humam Alwassel, Fabian Caba Heilbron, Victor Escorcia +1

Despite the recent progress in video understanding and the continuous rate of improvement in temporal action localization throughout the years, it is still unclear how far (or clos…

cs.CV2018

Guess Where? Actor-Supervision for Spatiotemporal Action Localization

Victor Escorcia, Cuong D. Dao, Mihir Jain +2

This paper addresses the problem of spatiotemporal localization of actions in videos. Compared to leading approaches, which all learn to localize based on carefully annotated boxes…

cs.CV2017★ 50 cited

ActivityNet Challenge 2017 Summary

Bernard Ghanem, Juan Carlos Niebles, Cees Snoek +6

The ActivityNet Large Scale Activity Recognition Challenge 2017 Summary: results and challenge participants papers.