no code implementations • 17 Mar 2022 • Yanjiao Zhu, Qilin Li, Wanquan Liu, Chuancun Yin, Zhenlong Gao
With the two-phase setting of the MGWF, one can interpret the diffusion process and the Google PageRank system explicitly.
no code implementations • 29 Oct 2021 • Jianqin Zhou, Sichun Yang, Xifeng Wang, Wanquan Liu
Second, we derive the bounds for both the maximum number of relative necessary concepts and the maximum number of unnecessary concepts and it is a difficult problem as either in concept reduction preserving binary relations or attribute reduction of decision formal contexts, the computation of formal contexts from formal concepts is a challenging problem.
no code implementations • 29 Oct 2021 • Jianqin Zhou, Sichun Yang, Xifeng Wang, Wanquan Liu
Concise granule descriptions for definable granules and approaching descriptions for indefinable granules are challenging and important issues in granular computing.
no code implementations • 29 Oct 2021 • Jianqin Zhou, Sichun Yang, Xifeng Wang, Wanquan Liu
The emergence of Formal Concept Analysis (FCA) as a data analysis technique has increased the need for developing algorithms which can compute formal concepts quickly.
no code implementations • 18 Jul 2021 • Huafeng Wang, Chonggang Lu, Qi Zhang, Zhimin Hu, Xiaodong Yuan, Pingshu Zhang, Wanquan Liu
In the literature, a large number of sleep staging methods based on single-channel EEG have been proposed with promising results and achieve the preliminary automation of sleep staging.
1 code implementation • 23 Jun 2020 • Mingyuan Mao, Yuxin Tian, Baochang Zhang, Qixiang Ye, Wanquan Liu, Guodong Guo, David Doermann
In this paper, we propose a new feature optimization approach to enhance features and suppress background noise in both the training and inference stages.
no code implementations • 28 Mar 2020 • Huizhu Pan, Jintao Song, Wanquan Liu, Ling Li, Guanglu Zhou, Lu Tan, Shichu Chen
Preserving contour topology during image segmentation is useful in many practical scenarios.
no code implementations • 11 Feb 2020 • Qilin Li, Wanquan Liu, Ling Li
Existing graph convolutional networks focus on the neighborhood aggregation scheme.
no code implementations • 20 Feb 2019 • Lu Tan, Ling Li, Wanquan Liu, Jie Sun, Min Zhang
Euler's Elastica based unsupervised segmentation models have strong capability of completing the missing boundaries for existing objects in a clean image, but they are not working well for noisy images.
no code implementations • 16 Feb 2019 • Qilin Li, Senjian An, Ling Li, Wanquan Liu
Graph-based semi-supervised learning usually involves two separate stages, constructing an affinity graph and then propagating labels for transductive inference on the graph.
no code implementations • 5 Aug 2016 • Qilin Li, Ling Li, Wanquan Liu
Subspace clustering refers to the problem of clustering high-dimensional data that lie in a union of low-dimensional subspaces.