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Scale a mask in an image
Thanks for your answers Stefan and Image Analyst. What I wanted in fact was a disk around the "ellipse like blob". So, at the...
meer dan 8 jaar ago | 0
| accepted
Question
Scale a mask in an image
Dear all, I have a mask which is convex (ellipse like although not a real ellipse). I want to scale it to obtain a mask bigge...
meer dan 8 jaar ago | 3 answers | 0
3
answersQuestion
How to compute the sensor sizes in mm from exif data of an image
Hello, Here are the metadata of my image obtained with imfinfo and imfinfo.DigitalCamera: imf = ...
ongeveer 9 jaar ago | 0 answers | 0
0
answersQuestion
GUI: waiting for a checkbox to be checked to carry on in a callback function
I am trying to write a GUI in which I visualise some figures and I then have to make an action when and only when the user has m...
bijna 10 jaar ago | 0 answers | 0
0
answersGUI position issue: I can't make buttons of an upper panel visible.
Thanks for your answer Adams but it doesn't help in my case. When you put 0.5 values, is it w.r.t the parent "topPanel" or to th...
bijna 10 jaar ago | 0
Question
GUI position issue: I can't make buttons of an upper panel visible.
Dear all, I am making my first GUI and struggling in few points. Here is one of them. I took the example doc_uipanels1 from M...
bijna 10 jaar ago | 2 answers | 0
2
answersDetect concentric empty rough circles
I find it very surprising as in very similar example, it works and detect both circles. I have split the text to have only on...
meer dan 10 jaar ago | 0
Detect concentric empty rough circles
Then if I try to find the blobs with [labeledImage, numberOfBlobs] = bwlabel(binaryImage, 8); I get this <</matlabc...
meer dan 10 jaar ago | 0
Detect concentric empty rough circles
Now I transform it to black and white and use bwareaopen to clean the image a bit: <</matlabcentral/answers/uploaded_files/...
meer dan 10 jaar ago | 0
Detect concentric empty rough circles
Using adapthisteq with Rayleigh distribution <</matlabcentral/answers/uploaded_files/10457/Turbio10bHistRay1.jpg>> on red...
meer dan 10 jaar ago | 0
Detect concentric empty rough circles
Original image <</matlabcentral/answers/uploaded_files/10456/Turbio10b.JPG>>
meer dan 10 jaar ago | 0
Detect concentric empty rough circles
OK, here is a full example: I have this picture: <</matlabcentral/answers/uploaded_files/10400/Turbio10b.JPG>> or link <htt...
meer dan 10 jaar ago | 0
Detect concentric empty rough circles
Hello, I would like to reopen this question as, dealing with a noiser picture, it does not work anymore. For example, if I t...
meer dan 10 jaar ago | 0
How to convert a noisy picture to a black and white one
Thanks for your answer but this doesn't work as for example the black of the circle on the RHS of the picture is whiter than the...
meer dan 10 jaar ago | 0
Question
How to convert a noisy picture to a black and white one
Dear all, For further processing (detecting circle for example), I need to convert this kind of pictures (see below) to black...
meer dan 10 jaar ago | 2 answers | 1
2
answersQuestion
Detect concentric empty rough circles
<</matlabcentral/answers/uploaded_files/7288/Piscine60b.JPG>> Hello, I want to be able to detect and draw a square around ...
meer dan 10 jaar ago | 8 answers | 0
8
answersMatlab: find the contour and straighten a nearly rectangular image
Thank you to the two of you, your answers have been very useful and the tutorial on sudoku solver impressive! I have mainly us...
meer dan 11 jaar ago | 0
Question
Matlab: find the contour and straighten a nearly rectangular image
Hello, I have got this image https://www.dropbox.com/s/5hmy6tb3ym42tic/rect.jpg?m which is rectangle-like but not exactly. ...
meer dan 11 jaar ago | 3 answers | 0
3
answersCrash with a mex file, using mxMalloc, mxCalloc and complex vectors
Thanks for the answer James. Sorry for the signal declaration before N, it was correct but modifying I made a mistake. Anyway, I...
bijna 12 jaar ago | 0
Question
Crash with a mex file, using mxMalloc, mxCalloc and complex vectors
Hi, I am trying to write a mex file but I can't find out what does not work in it. I have "emptied" it and wrote a test one b...
bijna 12 jaar ago | 3 answers | 0
3
answersHow to include libraries in a mex file
As I cannot sort it out, I am now trying the suboptimal possibility of using the matlab fft by void gaussian(double *win, i...
ongeveer 12 jaar ago | 0
How to include libraries in a mex file
Thanks James! It does work. But now, if I include some more lines in the code, making use of the following function void f...
ongeveer 12 jaar ago | 0
How to include libraries in a mex file
Thanks for all your support and sorry for not answering before but I was busy with other things. For the moment, I've transfor...
ongeveer 12 jaar ago | 0
How to include libraries in a mex file
Thanks for your answers. James, this does work but for other applications, I would like to make it work with the C function bein...
meer dan 12 jaar ago | 0
How to include libraries in a mex file
Well, Titus, I am sure I am missing something as I had tried something similar but it doesn't work: #include <stdio.h> ...
meer dan 12 jaar ago | 0
How to include libraries in a mex file
Hi, Thanks for your answers Friedrich and Ken, little by little, I am starting to understand how mex works. For the second p...
meer dan 12 jaar ago | 0
Question
How to include libraries in a mex file
Hi, I am trying to make a mex file from a C one. I have a few questions. The main one is the first lines of my program are ...
meer dan 12 jaar ago | 10 answers | 0
10
answersArray of int at the output of a mex file
Hi Friedrich, Thanks for your answer. Here is a more complete sample of my code #include <stdio.h> #include <math.h> ...
meer dan 12 jaar ago | 0
Question
Array of int at the output of a mex file
I am trying to create a mex function whose entry is an integer and whose output is an array of integers. So the function looks l...
meer dan 12 jaar ago | 3 answers | 0