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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Calculation of high-order harmonic generation of atoms and molecules by combining time series prediction and neural networks
时间序列预测 神经网络计算 原子分子 高阶谐波生成
2023/5/9
High-order harmonic generation (HHG) from the interaction of ultra-intense laser pulses with atoms is an important tabletop short-wave coherent light source. Accurate quantum simulations of it present...
It is known that superpositions of ridge functions (single hidden-layer feedforward neural networks) may give good approximations to certain kinds of multivariate functions. It remains unclear, howeve...
The Harmonic Theory; A mathematical framework to build intelligent contextual and adaptive computing, cognition and sensory system
Harmonic Theory mathematical framework sensory system Artificial Intelligence
2011/10/9
Abstract: Harmonic theory provides a mathematical framework to describe the structure, behavior, evolution and emergence of harmonic systems. A harmonic system is context aware, contains elements that...
模糊K-Harmonic Means聚类算法
聚类中心 条件概率 Folkes & Mallows指标
2009/6/5
对K-Harmonic Means算法进行扩展，考虑到数据点对不同类的隶属关系，将模糊的概念应用到聚类中，提出了模糊K-Harmonic Means算法，推导出聚类中心和模糊隶属度的迭代公式．在中心迭代聚类算法统一框架的基础上，推导出FKHM算法聚类中心的条件概率表达式以及在迭代过程中的数据加权函数表达式．最后，用Folkes & Mallows指标对聚类结果进行评价．实验表明，模糊K-Harmo...
Face Recognition under Generic Illumination Based on Harmonic Relighting
Face Recognition Generic Illumination Harmonic Relighting
2010/12/15
The performances of the current face recognition systems suffer heavily from the variations in lighting. To deal with this problem, this paper presents an illumination normalization approach by religh...
FACE RECOGNITION UNDER GENERIC ILLUMINATION BASED ON HARMONIC RELIGHTING
face recognition varying lighting harmonic imag es lighting estimation illumination normalization
2013/7/23
The performances of the current face r ecognition systems suffer heavily from the variations in lighting. To deal with this problem, this paper presents an illumination normaliza tion approach by rel...
Face Samples Re-lighting for Detection Based on the Harmonic Images
Face Samples Re-lighting Detection the Harmonic Images
2010/12/14
Different environment illumination has a great impact on face detection. In this paper, we present a solution by the face relighting based on the harmonic images. The basic idea is that there exist ni...
Evaluations of the state-of-the-art of both academic face recognition algorithms and commercial systems have shown that performance of most current technologies degrades due to the variations of illum...