activity
20172023
most citedS2Looking: A Satellite Side-Looking Dataset for Building Change Detection

236 citations · 339 across the 19 of their papers we have counts for

collaborators
Showing 2021Show all

9 papers · 1 filter

cs.CV2021★ 2 cited

HR-RCNN: Hierarchical Relational Reasoning for Object Detection

Hao Chen, Abhinav Shrivastava

Incorporating relational reasoning in neural networks for object recognition remains an open problem. Although many attempts have been made for relational reasoning, they generally…

cs.CV2021★ 236 cited

S2Looking: A Satellite Side-Looking Dataset for Building Change Detection

Li Shen, Yao Lu, Hao Chen +6

Building-change detection underpins many important applications, especially in the military and crisis-management domains. Recent methods used for change detection have shifted tow…

cs.CV2021★ 11 cited

Long Short-Term Transformer for Online Action Detection

Mingze Xu, Yuanjun Xiong, Hao Chen +4

We present Long Short-term TRansformer (LSTR), a temporal modeling algorithm for online action detection, which employs a long- and short-term memory mechanism to model prolonged s…

cs.CV2021★ 3 cited

A Voxel Graph CNN for Object Classification with Event Cameras

Yongjian Deng, Hao Chen, Hai Liu +1

Event cameras attract researchers' attention due to their low power consumption, high dynamic range, and extremely high temporal resolution. Learning models on event-based object c…

cs.CV2021★ 3 cited

SSCAP: Self-supervised Co-occurrence Action Parsing for Unsupervised Temporal Action Segmentation

Zhe Wang, Hao Chen, Xinyu Li +4

Temporal action segmentation is a task to classify each frame in the video with an action label. However, it is quite expensive to annotate every frame in a large corpus of videos…

cs.CV2021★ 4 cited

VidTr: Video Transformer Without Convolutions

Yanyi Zhang, Xinyu Li, Chunhui Liu +6

We introduce Video Transformer (VidTr) with separable-attention for video classification. Comparing with commonly used 3D networks, VidTr is able to aggregate spatio-temporal infor…

cs.CV2021

TubeR: Tubelet Transformer for Video Action Detection

Jiaojiao Zhao, Yanyi Zhang, Xinyu Li +10

We propose TubeR: a simple solution for spatio-temporal video action detection. Different from existing methods that depend on either an off-line actor detector or hand-designed ac…

cs.CV2021★ 1 cited

Selective Feature Compression for Efficient Activity Recognition Inference

Chunhui Liu, Xinyu Li, Hao Chen +2

Most action recognition solutions rely on dense sampling to precisely cover the informative temporal clip. Extensively searching temporal region is expensive for a real-world appli…

cs.CV2021★ 12 cited

ICE: Inter-instance Contrastive Encoding for Unsupervised Person Re-identification

Hao Chen, Benoit Lagadec, Francois Bremond

Unsupervised person re-identification (ReID) aims at learning discriminative identity features without annotations. Recently, self-supervised contrastive learning has gained increa…