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Simple Search
Hits 1 – 7 of 7
1
Bridging Video-text Retrieval with Multiple Choice Questions ...
Ge, Yuying
;
Ge, Yixiao
;
Liu, Xihui
;
Li, Dian
;
Shan, Ying
;
Qie, Xiaohu
;
Luo, Ping
. - : arXiv, 2022
Abstract:
Pre-training a model to learn transferable video-text representation for retrieval has attracted a lot of attention in recent years. Previous dominant works mainly adopt two separate encoders for efficient retrieval, but ignore local associations between videos and texts. Another line of research uses a joint encoder to interact video with texts, but results in low efficiency since each text-video pair needs to be fed into the model. In this work, we enable fine-grained video-text interactions while maintaining high efficiency for retrieval via a novel pretext task, dubbed as Multiple Choice Questions (MCQ), where a parametric module BridgeFormer is trained to answer the "questions" constructed by the text features via resorting to the video features. Specifically, we exploit the rich semantics of text (i.e., nouns and verbs) to build questions, with which the video encoder can be trained to capture more regional content and temporal dynamics. In the form of questions and answers, the semantic associations ... : Accepted by CVPR 2022 ...
Keyword:
Computer Vision and Pattern Recognition cs.CV
;
FOS Computer and information sciences
URL:
https://arxiv.org/abs/2201.04850
https://dx.doi.org/10.48550/arxiv.2201.04850
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2
A Multilingual Dataset of COVID-19 Vaccination Attitudes on Twitter ...
Ninghan
;
Xihui
;
Zhiqiang
. - : Zenodo, 2022
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3
A Multilingual Dataset of COVID-19 Vaccination Attitudes on Twitter ...
Ninghan
;
Xihui
;
Zhiqiang
. - : Zenodo, 2022
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4
The Burden of Being a Bridge: Understanding the Role of Multilingual Users during the COVID-19 Pandemic ...
Chen, Ninghan
;
Chen, Xihui
;
Zhong, Zhiqiang
. - : arXiv, 2021
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5
Improving Deep Visual Representation for Person Re-identification by Global and Local Image-language Association ...
Chen, Dapeng
;
Li, Hongsheng
;
Liu, Xihui
. - : arXiv, 2018
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6
Combination of interventions can change students’ epistemological beliefs
Kalman, Calvin S.
;
Sobhanzadeh, Mandana
;
Thompson, Robert
. - 2015
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7
Therapy for Cerebral Palsy by Human Umbilical Cord Blood Mesenchymal Stem Cells Transplantation Combined With Basic Rehabilitation Treatment: A Case Report
Zhang, Che
;
Huang, Li
;
Gu, Jiaowei
. - : SAGE Publications, 2015
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