
Bruno Pop-Stefanov
MathWorks
Developer for the Image Processing Toolbox.
Some interests: image processing, computer vision, computational photography, machine learning.
Although I work for MathWorks, all my comments, answers and opinions expressed here are mine alone and do not necessarily reflect those of MathWorks, past or present.
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Content Feed
Does the Computer Vision Toolbox function "demosaic" use the IPP library?
No, it does not use IPP. |demosaic| implements the following algorithm: <http://research.microsoft.com/apps/pubs/default.aspx...
7 years ago | 3
| accepted
how to remove hair , and find the center of finger knuckle
This is not perfect, but slightly better than the results you got: I = rgb2gray(imread('06.jpg')); se = strel('dis...
8 years ago | 1
i need to find cicrles in below black and white image
You can use the <http://www.mathworks.com/help/images/ref/imfindcircles.html |imfindcircles|> function from <http://www.mathwork...
8 years ago | 0
Filling data gaps in a periodic timeseries in MATLAB
This is definitely not an easy problem. There are several ways you can go about this. *1) Curve Fitting* The easiest metho...
8 years ago | 1
How to draw a line perpendicular to the medial axis in each point and save the intensity values?
Take a look at the file |overlayLines.m| that I have attached. This function draws red lines over an RGB image. You can certainl...
8 years ago | 0
Projecting binary mask back onto image to read values
The binary image you obtain can be used to do logical indexing. Logical indexing is accessing the elements of a matrix using a l...
8 years ago | 0
| accepted
Need Symmetric Multivariate Laplace Distribution
There is a submission on the File Exchange for a Laplacian random number generator: <http://www.mathworks.com/matlabcentral/file...
8 years ago | 0
Stop some code from Publishing
*1) How to hide some parts of the code* One way to publish parts of the code while hiding some other parts that you still wan...
8 years ago | 7
overlay geotiffs with transparency using different colormaps
Calling <http://www.mathworks.com/help/map/ref/geoshow.html |geoshow|> a second time will overlay over what was previously displ...
8 years ago | 1
orthogonal collocation on finite elements: Matlab code
Take a look at these links: <https://www.kirp.chtf.stuba.sk/~fikar/research/dynopt/fik05oc.pdf A MATLAB PACKAGE FOR ORTHOGONA...
8 years ago | 0
Display of structures in Variables panel
The new display for struct arrays has been released starting with MATLAB R2013b and you cannot revert to the old one. The new di...
8 years ago | 0
| accepted
Change how struct variable fields are displayed?
Unfortunately, it's not possible to display the fields vertically (i.e., each column represents an element of the struct array) ...
8 years ago | 0
| accepted
Using parfor instead of for
Dividing the work into several jobs and sending the jobs to the workers is very expensive. This is done at the line with |parfor...
8 years ago | 0
| accepted
Virtual Camera Support for Matlab Image Acquisition Toolbox
Hi Sonny, I read that Axis Streaming Assistant creates a DirectShow device. Can you confirm that this is the case for the vir...
8 years ago | 0
matlab 2014b on Yosemite, high CPU%
The _getting status for files_ message appears because of the Source Control integration in the Current Folder browser. Try disa...
8 years ago | 4
Errors with getblast/blastread built-in functions
What release of Bioinformatics Toolbox are you using? There was a bug in R2009a and earlier in which the <http://www.mathwork...
8 years ago | 0
How to factor a matrix by a list of symbolic variables
Are the equations in |Y| linear in the variables in |Theta|? If yes, this is a simple linear system of equations, which you can ...
8 years ago | 0
| accepted
Matlab(R2014b) compatible with OS X Yosemite?
Hi Andreas, To be clear: MATLAB R2014a is the latest release available to students: <http://www.mathworks.com/academia/stu...
8 years ago | 0
EPS export problems in R2014b
Can you check the |'PaperPositionMode'| property of the figure before printing it in each case? Try setting it to |'auto'| befor...
8 years ago | 2
| accepted
How Can I simulate non uniform background illumination?
If I understand your question correctly you would like to generate images with non-uniform background illumination in order to t...
8 years ago | 0
| accepted
Github support for Matlab files
You can add any type of file to a Git repository. However, if you are using command-line Git (meaning, you have installed Git on...
8 years ago | 1
| accepted
Creating subplot from saved semilog plots
This is probably because the axes scale is linear by default. Change the |'YScale'| property from |'linear'| to |'log'| as fo...
8 years ago | 0
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Word Matlab Notebook and figures...
I tried on my end and it looks like you can only show one figure per cell. Instead of defining 1 cell containing all of your cod...
8 years ago | 0
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MATLAB command-line git for Mac?
MATLAB R2014b does support git, but you still have to install it on your system in order to use it with MATLAB. Unfortunately, t...
8 years ago | 2
the priority and benefits of saving data in .mat file
MAT files are compressed, binary files used to store data on the computer's hard drive. It is a convenient way to save data for ...
8 years ago | 4
| accepted
How to create string array using inpu
You need to use <http://www.mathworks.com/help/matlab/matlab_prog/what-is-a-cell-array.html cell arrays>: for i=1:5 ...
8 years ago | 2
| accepted
uigetfile window screen position
What version of MATLAB do you use? What operating system? I tried with MATLAB R2014b on Windows 7 with two monitors and the |...
8 years ago | 1
Matlab / Mupad does not solve definite integral
If you want to "force" MATLAB to give a numeric solution to an integral, you can use the <http://www.mathworks.com/help/matlab/r...
8 years ago | 1
Storing multiple images in one 4D Array
I am not sure I understand what you would like to achieve exactly, but here are a few suggestions: If you have p images, each...
8 years ago | 1
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How do I smooth out a surface distribution plot?
There is no off-the-shelf functionality in MATLAB that allows you to detect outliers in data. Techniques exist but it is still a...
8 years ago | 1
| accepted