GwanSiu Blog

Keep Learning, Shaping the Future

Gaussian Processing

1. Introduction Gaussian processing is an nonparametric learning algorithm, which defines a distribution over a functional space with the form $f:\mathcal{X}\rightarrow \mathbb{R}$, where $\mathcal...

Information Theory and Machine Learning

In this article, most masterials are referred to [1] 1. Entropy The entropy of a probability distribution is a measurement of uncertainty. Besides that, we also can use entropy to define the infor...

Relevance Vector Machine

1. Introduction Support vector machine (SVM) has been widely used in classification and regression problems. The main advantage of SVM is that the decision boundary is sparsely represented by the ...

Support Vector Machine for Regression

1. Introduction We have discussed the support vector machine (SVM) and its application in classification problems in the previous posts. In this post, we will talk about the formulation of SVM in ...

Laplacian Approximation

1. Laplacian Approximation We will talk about the Laplacian approximation in this post, which has been widely used in machine learning research. The core idea of Laplacian approximation is to use ...

Basic of Statistical Learning

1. The Bayes Decision Rule for Minimum Error The a-postieriori probability of a sample \[\begin{equation} P(Y=i\vert X) = \frac{p(X\vert Y=i)P(Y=i)}{P(X)}=\frac{\pi_{i}p_{i}(X\vert Y=i)}{\sum...

Linear Regression(1)

Linear regression is an old topic in the machine learning community, and this topic has been studied by researchers for the past decades. In this post, I will highlight some kerypoints on regres...

What's the Money?

1. What’s Money? I accpet the concept in Minsky’s book [1], “Money can be anything that is generally accepted as a payment for goods or services or in repayment of debts”. The narrow definition of...

Computational Photography--Deconvolution

1. Reasons to Cause Blurry Images lens imperfections Camera shake Scene motioin Depth defous In this post, only blurs caused by lens imperfections and camera shake are discussed. 1.1 L...

货币政策

掌握货币政策的最终目标以及目标之间的统一和矛盾关系 了解货币政策中介目标的选择标准,掌握货币政策的操作指标和中间目标 掌握货币政策工具的种类及特点 掌握不同学派的货币政策传导机制的主要观点及特点 1. 货币政策目标 货币政策是指中央银行为实现既定的经济目标运用各种工具调节货币供给和利率,进而影响宏观经济的方针和措施的总和。 货币政策的目标...