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- Chinese Academy of SciencesCN34 papers
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19 papers · 1 filter
Advanced Variations of Two-Dimensional Principal Component Analysis for Face Recognition
Meixiang Zhao, Zhigang Jia, Yunfeng Cai +2
The two-dimensional principal component analysis (2DPCA) has become one of the most powerful tools of artificial intelligent algorithms. In this paper, we review 2DPCA and its vari…
Local well-posedness and global existence for a multi-component Novikov equation
Zhigang Li, Yuxi Hu, Xinglong Wu
Considered herein is a multi-component Novikov equation, which admits bi-Hamiltonian structure, infinitely many conserved quantities and peaked solutions. In this paper, we deduce…
Matrix Li-Yau-Hamilton Estimates for Nonlinear Heat Equations
Xin-An Ren
In this paper we are concerned with the matrix Li-Yau-Hamilton estimates for nonlinear heat equations. Firstly, we derive such estimate on a Kähler manifold with a fixed Kähler met…
Improving positioning accuracy of the mobile laser scanning in GPS-denied environments: An experimental case study
WI. Liu, Zhixiong Li, Shuaishuai Sun +3
The positioning accuracy of the mobile laser scanning (MLS) system can reach the level of centimeter under the conditions where GPS works normally. However, in GPS-denied environme…
Weak Decays of Triply Heavy Tetraquarks
Ye Xing
We study lifetimes and weak decays of the triply heavy tetraquarks . Following the heavy quark expanding(HQE), the lifetimes of tetraquarks …
Design and Performance Analysis of Multi-scale NOMA for 5G Positioning
Lu Yin, Jiameng Cao, Zhongliang Deng +4
This paper presents a feasibility study for a novel positioning-communication integrated signal called Multi-Scale Non-Orthogonal Multiple Access (MS-NOMA) for 5G positioning. One…