How to speed up the Matlab code by performance analyzing

• Category: matlab
• Date: May 03, 2015
Recently I was required to write some matlab code to simulate the modulation and demodulation of a signal. The original code itself is working but it is just too slow, unsatisfied with the speed I decide to dig in and try to speed it up. To try to analyze the...

Foward DTFT(Discrite Time Fourier Transform) Visualiztion Using Python

• Category: gsoc2015
• Date: Apr 04, 2015
Description:
This is the visualizaion of the DTFT Using Python numpy and matplotlib

Due to my GSOC project is related to the image processing and digital filter, I felt that it is necessary for me to get enrolled in a discrete processing class. I hope I can use those knowledge when it comes to EVM. And it has been two weeks since I...

Matlab implementation of the EVM(Eulerian Video Magnification)

• Category: gsoc2015
• Date: Mar 29, 2015
Description:
This is my GSOC2015 log

As we can see from the previous tutorial , we have got the idea of the whole theory of the EVM(Eulerian Video Magnification), now it is the time to bring into reality. I have implemented it using Matlab. And I would like to write a detailed description of what I...

Python scripts for Jekyll

• Category: jekyll
• Date: Mar 28, 2015
Description:
This this the collection of the Jekyll scripts

All the source code can be found on Github. Because Jekyll is a static blog, and many functionalities are constrained due to html. I don’t know how to write rake program, but anyway, I managed to use python do the work for me, and I am quite satisfied with the...

Eulerian Video Magnification basics

• Category: gsoc2015
• Date: Mar 22, 2015
Description:
This is my GSOC2015 log

This post indroduce the basics of the EVM(Eulerian Video Magnification) Algorithm. For details: EVM. EVM Preview Evm is the abbreviation of Eulerian Video Magnification. According to the paper, that: Out method, which we call Eulerian Video Magnification, takes a standard video sequence as input, and applies spatial decoposition signal, followed...

Latex Tutorial 1

• Category: latex
• Date: Mar 10, 2015
This is the first of my basic Latex tutorial. Personally, Latex has become my standard formal word warping tool. Get started with Latex: Start with our first Latex file:

Brute Force String Match

• Category: python
• Date: Nov 30, 2014
This is a Brute Force String Match Algorithm.  It will match the string character by character until matched # -*- coding: utf-8 -*- """ Created on Sat Nov 29 22:06:06 2014 @author: y1275963 """ def BruteForceStringMatch(Text, Pattern): """ This is a Brute Force String Match Algorithm. It will match the...

sequentialSearch

• Category: python
• Date: Nov 30, 2014
The algorithm simply compares successive elements of a given list with a given search key untile either a match is encounterd (successful search) or the list is exhausted without finding a match( unsuccessful search). # -*- coding: utf-8 -*- """ Created on Sat Nov 29 21:34:58 2014 @author: y1275963 """...

Trip to Glasgow

• Category: y1275963
• Date: Nov 10, 2014
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\documentclass{article} \begin{document} superscripts: $$2x^3$$ $$2x^{34}$$ $$2x^{3x+4}$$ $$2x^{3x^4+5}$$ Subscripts: $$x_1$$ $$x_{1u_2}$$ $${x_1}_2$$ Greek Letters: $$\pi$$ $$\alpha$$ $$\beta$$ $$A=\pi r^2$$ Trig functions: $$y=\sin{x}$$ $$y=\tan{x}$$ log functions: $$\log{x}$$ $$\log_5{x}$$ $$\ln{x}$$ Square roots: $$\sqrt{2}$$ $$\sqrt{test}$$ $$\sqrt{x^2+y^2}$$ $$\sqrt{1+\sqrt{x}}$$ Fractions: About $\displaystyle{\frac{2}{3}}$ of the glass if full. $$\frac{x}{x^2+x+1}$$ $$\frac{\sqrt{x+1}}{\sqrt{x-1}}$$ $$\frac{1}{1+\frac{1}{x}}$$ $$\sqrt{\frac{x}{x^2+x+1}}$$ \end{document} When in need just...