Search Results for author: Mengyi Liu

Found 9 papers, 1 papers with code

Learning Local Features with Context Aggregation for Visual Localization

no code implementations26 May 2020 Siyu Hong, Kunhong Li, Yongcong Zhang, Zhiheng Fu, Mengyi Liu, Yulan Guo

Most existing methods use detect-then-describe or detect-and-describe strategy to learn local features without considering their context information.

Keypoint Detection Visual Localization

Content-based Video Relevance Prediction Challenge: Data, Protocol, and Baseline

2 code implementations3 Jun 2018 Mengyi Liu, Xiaohui Xie, Hanning Zhou

Video relevance prediction is one of the most important tasks for online streaming service.

Skipping Word: A Character-Sequential Representation based Framework for Question Answering

no code implementations2 Sep 2016 Lingxun Meng, Yan Li, Mengyi Liu, Peng Shu

Recent works using artificial neural networks based on word distributed representation greatly boost the performance of various natural language learning tasks, especially question answering.

Answer Selection

Learning Mid-level Words on Riemannian Manifold for Action Recognition

no code implementations16 Nov 2015 Mengyi Liu, Ruiping Wang, Shiguang Shan, Xilin Chen

Human action recognition remains a challenging task due to the various sources of video data and large intra-class variations.

Action Recognition Clustering +1

Learning Expressionlets via Universal Manifold Model for Dynamic Facial Expression Recognition

no code implementations16 Nov 2015 Mengyi Liu, Shiguang Shan, Ruiping Wang, Xilin Chen

3) the local modes on each STM can be instantiated by fitting to UMM, and the corresponding expressionlet is constructed by modeling the variations in each local mode.

Dynamic Facial Expression Recognition Facial Expression Recognition +1

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