activity
20192022
most citedContrastive Language-Action Pre-training for Temporal Localization

5 citations · 6 across the 4 of their papers we have counts for

collaborators

8 papers

cs.CV20225 cited

Contrastive Language-Action Pre-training for Temporal Localization

Mengmeng Xu, Erhan Gundogdu, Maksim Lapin +3

Long-form video understanding requires designing approaches that are able to temporally localize activities or language. End-to-end training for such tasks is limited by the comput…

cs.CV2022

SegTAD: Precise Temporal Action Detection via Semantic Segmentation

Chen Zhao, Merey Ramazanova, Mengmeng Xu +1

Temporal action detection (TAD) is an important yet challenging task in video analysis. Most existing works draw inspiration from image object detection and tend to reformulate it…

cs.CV2021

Low-Fidelity End-to-End Video Encoder Pre-training for Temporal Action Localization

Mengmeng Xu, Juan-Manuel Perez-Rua, Xiatian Zhu +2

Temporal action localization (TAL) is a fundamental yet challenging task in video understanding. Existing TAL methods rely on pre-training a video encoder through action classifica…

cs.CV20201 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

VLG-Net: Video-Language Graph Matching Network for Video Grounding

Mattia Soldan, Mengmeng Xu, Sisi Qu +2

Grounding language queries in videos aims at identifying the time interval (or moment) semantically relevant to a language query. The solution to this challenging task demands unde…

cs.CV2020

LC-NAS: Latency Constrained Neural Architecture Search for Point Cloud Networks

Guohao Li, Mengmeng Xu, Silvio Giancola +2

Point cloud architecture design has become a crucial problem for 3D deep learning. Several efforts exist to manually design architectures with high accuracy in point cloud tasks su…