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John Ramshur


21 total contributions since 2008

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Question


Creating a best-fit shape based on multiple image outlines
I want to create a "best fit" shape based on the outline of several shapes. For example, in the attached image I have the outlin...

2 years ago | 0 Answers | 0

0

answers

Submitted


fig2img
Saves the current figure with user specified resolution as an image file or pdf file.

4 years ago | 2 downloads |

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Question


Convert string of hex to array of dec
I need to convert a string of hexidecimal numbers to an array of dec numbers. The string can potentially contain incomplete hex ...

5 years ago | 2 Answers | 0

2

answers

Responded


Re: how to compute the energy of each node of the wavelet packet tree?
I have an additional question. I've noticed in journal articles for my field calculating wavelet packet energy using two diffe...

7 years ago | 4735 views

Responded


Re: help on PSD using wavelets!!!!!!!!!

7 years ago | 4389 views

Responded


Re: Problem creating avi in Windows 7
I did solve the problem, however I don't remember exactly what worked. I'm using 32bit OS. If it's of any help here's some the c...

7 years ago | 14303 views

Posted


Problem creating avi in Windows 7
System Info: Windows 7, MATLAB Version 7.7.0.471 (R2008b) I'm trying to create an avi in windows 7, but I'm running into two is...

7 years ago | 14303 views

Responded


Re: Need help with spdiags !!!
Thanks.... It worked. Can't believe I looked over that so many times and didn't notice it.

7 years ago | 2953 views

Posted


Need help with spdiags !!!
Can someone help me figure out why i'm getting an error with the spdiags function? Here's the error: ??? Index exceeds matrix ...

7 years ago | 2953 views

Responded


Re: Ploting generic 3D head model
Might find some info these links: http://www.uni-kassel.de/hrz/server/UNIX+SW-Infos/graphics/MatLab-5.3/help/techdoc/umg/chvol...

7 years ago | 2907 views

Responded


Re: Issue with horzcat
ortPMat=[ortPMat, newPoint]

7 years ago | 5853 views

Posted


Does Matlab need better GUI controls?
With having experience programming in VB, VB.NET, and ASP.NET i've been disappointed in Matlab's GUI controls. Don't get me wron...

7 years ago | 8005 views

Responded


Re: import several .xls file
p=uigetdir(); fileList = dir(fullfile(p,'*.xls')); %get list of .xls files for f=1:length(fileList) end

7 years ago | 2418 views

Responded


Re: String as matrix name in xlsread
I don't know what you data looks like, but i think you need to read the numeric and text data into an array first. Then if you w...

7 years ago | 4443 views

Responded


Re: High pass filter using wavelet packets
Opps....Correction to original included code. % dtr_sig = detrended signal % t = wavelet object % S =size of the coefficients a...

7 years ago | 3235 views

Posted


High pass filter using wavelet packets
Can someone help me with removing a low freq trend from my signal using wavelet packets? I'm basing this off an article that di...

7 years ago | 3235 views

Posted


Quickly convert large ascii files to .mat files
Here's my situation: - I have > 20,000 ascii files. - Each ascii file is 76.26 MB - Each ascii file has 5 header rows and 2 x 3...

7 years ago | 3915 views

Posted


Using "save" inside a parfor loop
I need to save an arrays to Matlab v7 binary files (.mat), but I'm getting a transparency error at the save command. I get no er...

7 years ago | 16215 views

Responded


Re: Put two figures side-by-side
This shows 2 methods for superimposing images: http://www.mathworks.com/support/solutions/data/1-1AK7N.html Otherwise use subp...

7 years ago | 16093 views

Posted


one-sided vs. two-sided PSD
I need help understanding whether I should be using a one-sided or two-sided PSD. From what I understand the total power between...

7 years ago | 9562 views

Posted


Export noise from Wavelet filter?
I need to export the noise that was filtered from my signal using from a db3,6 wavelet filter. If I use the Wavelet toolbox's "S...

8 years ago | 1475 views