Rank: 1413 based on 89 downloads (last 30 days) and 2 files submitted
photo

Xunkai Wei

E-mail

Personal Profile:

I'm now a Phd candidate with Air Force Engineering University. I will work at Beijing Aeronautical Technology Research Center as an engineer. I'm a selected volunteer for Beijing 2008 Olympic Games.

Professional Interests:
Enclosing Mahchine Learning, convex optimization,Support Vector Machines,Kernel Methods,Evolutionary Computation

 

Watch this Author's files

 

Files Posted by Xunkai View all
Updated   File Tags Downloads
(last 30 days)
Comments Rating
18 Feb 2008 Gray Level Run Length Matrix Toolbox The toolbox provide useful functions for extract high order run length features Author: Xunkai Wei image analysis, gray level image run ..., image, analysis, toolbox 47 12
  • 3.71429
3.7 | 8 ratings
15 Nov 2007 Histogram features of a gray level image This function is to calculate histogram features of a gray level image Author: Xunkai Wei image analysis, one order histogram f..., gray level, image proce, analysis, image 42 12
  • 4.625
4.6 | 8 ratings
Comments and Ratings by Xunkai View all
Updated File Comments Rating
13 Feb 2013 LBFGSB (L-BFGS-B) mex wrapper Mex wrapper for lbfgsb v3.0 fortan library. L-bfgs-b solves box-constrained optimization. Author: Stephen Becker

Win 7, 64bit system, I have intel fortran compiler and vs 2012 C++ compiler, could you show me how to compile the source code ?

13 Feb 2013 MATLAB interface for L-BFGS-B Matlab interface to the L-BFGS-B nonlinear optimization algorithm Author: Peter Carbonetto

hi, win 7 64bit with intel fortran compiler and winSDK 7.1 C++ compiler,

When compile the c++ codes, all pass except matlabprogram.cpp

How to fix it ? thx

matlabprogram.cpp
matlabprogram.cpp(92) : warning C4800: 'mxArray *' : forcing value to bool 'true' or 'false' (performance warning)
matlabprogram.cpp(107) : warning C4800: 'mxArray *' : forcing value to bool 'true' or 'false' (performance warning)
matlabprogram.cpp(144) : error C2057: expected constant expression
matlabprogram.cpp(144) : error C2466: cannot allocate an array of constant size 0
matlabprogram.cpp(144) : error C2133: 'plhs' : unknown size
matlabprogram.cpp(168) : error C2057: expected constant expression
matlabprogram.cpp(168) : error C2466: cannot allocate an array of constant size 0
matlabprogram.cpp(168) : error C2133: 'plhs' : unknown size

11 Oct 2012 TabPanel Constructor v2.8 (2010) TabPanel Constructor offers the easiest way for creating of tabpanels in MATLAB! Author: Elmar Tarajan

very good, but could you share the source code ?

27 Feb 2009 C/C++ and Matlab types convertor Bidirectional conversion between C/C++ type (STL, openCV) and Matlab matrix (compile or run time) Author: sun peng

I give a rate five!

27 Feb 2009 C/C++ and Matlab types convertor Bidirectional conversion between C/C++ type (STL, openCV) and Matlab matrix (compile or run time) Author: sun peng

good idea !

Comments and Ratings on Xunkai's Files View all
Updated File Comment by Comments Rating
27 May 2014 Gray Level Run Length Matrix Toolbox The toolbox provide useful functions for extract high order run length features Author: Xunkai Wei mn, sanu

18 Dec 2013 Histogram features of a gray level image This function is to calculate histogram features of a gray level image Author: Xunkai Wei Esra

thank you

02 Nov 2013 Histogram features of a gray level image This function is to calculate histogram features of a gray level image Author: Xunkai Wei eh, babak

The code line for entropy should be changed as the log(Prob) when prob=0 goes to -inf.

to fix this simply change the line to:
Entropy = -sum(Prob.*log(max(Prob,min(Prob(Prob~=0)))));

there are many other ways to fix this.

04 Jun 2013 Gray Level Run Length Matrix Toolbox The toolbox provide useful functions for extract high order run length features Author: Xunkai Wei Narender

Nice

27 Feb 2013 Gray Level Run Length Matrix Toolbox The toolbox provide useful functions for extract high order run length features Author: Xunkai Wei Subha

Can anyone say how to normalize this GLRL matrix....

Contact us