Trung Duong's Blog

Random thoughts about Matlab for Computer Vision and Machine Learning

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Posted by Trung Huy Duong at 6:30 PM

Simple code to draw a 2-D ellipse

Sometime you want to add ellipses to your figures or images in Matlab? Rather than update to Matlab 2010 or buy PDE toolbox, you could googl...
Solve the Traveling Salesman Problem (TSP) by Simulated Annealing (SA)

1. Objective The objective of this work is developing a generic simulated annealing (SA) algorithm to solve the traveling salesman...
Pair-wise Weighted Euclidean distance between 2 sets of vectors

In many tasks, we wish compute the pair-wise distance between two sets of vectors (in high p-dimension space). For example, in clustering pr...
Who bothers with ellipses?

In the previous post , we know how to draw an 2-D ellipse with its center, its major and minor axis, and its orientation. The process can be...
How to draw a multivariable Gaussian random variable?

% Create Gaussian d-dimensional random variable % Using Cholesky factorization % Input: % mu: mean vector, d-by-1 % cov: covariance...
Connect me in Linkedin- all invite welcome

https://www.linkedin.com/in/trungd
RABIT - my robot actually

Found a pic of me without my name on it :) Anyway, it is good. http://crossroads.newsworks.org/index.php/local/keystone-crossroads/75889-r...