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Pierre


ViTechnology

Active since 2011

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How to find out the radius and center of unknown circle and reconstruct the circle with calculated radius.
You should have a look at the Hough transform in its general form and its application to circles in particular. It allows to det...

12 years ago | 0

| accepted

Answered
[DEPRECATED] What frustrates you about MATLAB?
# I'd really appreciate improved MEX-debugging capabilities on Linux systems in regard to the user: Seriously, we're still using...

13 years ago | 2

Answered
using matlab engine from c++: How to convert a int** into mxArray*
I didn't really get your posted code as it requires some guessing, but let me point out a few things: 1. While you might be u...

13 years ago | 0

Answered
Convert C struct to matlab struct
I never did that in particular, but I personally consider there are three approaches: 1. Receive the byte-stream as is, but t...

13 years ago | 0

Answered
Incorrect "Creating an instance of the Abstract class is not allowed"
|query_dev| inherits the abstract methods methods (Abstract) S = assembleStatement(obj); submitStatement(obj); ...

13 years ago | 1

| accepted

Answered
Finding the second smallest value in each column of an array?
You could simply take advantage of Bruno Luong's <http://www.mathworks.com/matlabcentral/fileexchange/23576-minmax-selection Min...

13 years ago | 1

Answered
dilatasi erosi ..... what it is?
See <http://en.wikipedia.org/wiki/Mathematical_morphology mathematical morphology> on Wiki.

13 years ago | 0

Answered
dir function help
* Are you in the right working directory? Check with |pwd| and/or check whether the results of |dir| (without any parameters) co...

13 years ago | 0

Answered
A bug in Matlab 2009
You imply the property |exp(x*y) = exp(x)^y| , which surely is true for real numbers, would also apply for complex numbers; but ...

13 years ago | 0

Answered
Using MEX compiler options "-Dname=value"
I just got some limited example running: #include <mex.h> #define STRINGIFY(x) #x #define TOSTRING(x) STRINGIFY(x) #define...

13 years ago | 0

| accepted

Answered
how to detect infected region in medical image say cancer or malaria parasites using microscopic images?
Jan, I agree with you, the question is very surprising. Especially the required effort in typing in a question and a title on MA...

13 years ago | 1

Answered
Matlab list all files in subfolders of the same name...
Unfortunately I'm not allowed to post my solution to a similar problem, but I can roughly summerize my approach: I made a funct...

13 years ago | 0

Question


Access preallocated matrix on left hand side inside MEX
I recently wondered whether there would be a way/mechanism to write immediately into the data array of a preallocated "left hand...

13 years ago | 2 answers | 0

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answers

Answered
nano second
At first I have to admit that everything I'll state now is pure mostly speculation and I don't have any reliable resources for t...

13 years ago | 1

Question


Complexity of medfilt2 implementation in Matlab?
We've got some computing time issues while invoking medfilt2. I spent successfully some time on finding several approaches for o...

13 years ago | 1 answer | 1

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