Image Analyst

Last seen: Today | Attivo dal 2010

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Senior Scientist (male/man) and Inventor in one of the world's 10 largest industrial corporations doing image analysis full time. Ph.D. in Optical Sciences specializing in imaging, image processing, and image analysis. 44+ years of military, academic, and (mostly) industrial experience with image analysis programming and algorithm development. Experience designing custom light booths and other imaging systems. Experience with color and monochrome imaging, video analysis, thermal, ultraviolet, hyperspectral, CT, MRI, radiography, profilometry, microscopy, NIR and Raman spectroscopy, etc. on a huge variety of subjects. Member of the Mathworks Community Advisory Board. Be sure to click "View All" in my File Exchange to see ALL of my demos and tutorials: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862 Professional Interests: Image analysis and processing

Programming Languages:
MATLAB, Visual Basic
Spoken Languages:
English
Pronouns:
He/him
Professional Interests:
Image Data Workflows, Industrial Statistics, Image Processing and Computer Vision

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I want to connect the ends of the white contour in the image to form a complete circle, eliminating the gaps.
Here's another way: %----------------------------------------------------------------- % Read in and prepare the sample image....

circa 14 ore fa | 0

| accettato

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Matlab not running in garuda linux (very similar to manjaro)
I don't know, but if you do exactly what it says in the FAQ though, you should be up and running. https://matlab.fandom.com/wik...

1 giorno fa | 0

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draw the missing internal side of points cloud of jug profile
If you write the points into a digital image you could use imdilate (to thicken the wall) then use bwboundaries to get the (x,y)...

2 giorni fa | 0

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Match name to axis value in chart
How about this: load('matlab_pl.mat') x = pl(:, 1); y = pl(:, 2); stem(x, y, 'Filled', 'LineWidth', 2); grid on; xticklabe...

3 giorni fa | 0

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Using multiple datasets to fit parameters simultaneously in SimBiology
Maybe I'm misunderstanding what you want to do, but why don't you combine both time vectors into a single time vector which you ...

4 giorni fa | 0

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Refresh overlaid plots without "hold on/hold off" in each loop iteration
To clear the second set of markers, get a handle to them and call delete sc2 = scatter(x2,y2,'r','Parent',f1); % Create mar...

5 giorni fa | 1

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automate scatter markers colours in groups
There is a function for exactly that, which makes it easy to color markers by group. It's called gscatter help gscatter

6 giorni fa | 1

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The requested resource was not found.
See the FAQ and do exactly what it says in there and you should be up and running shortly. https://matlab.fandom.com/wiki/FAQ#A...

6 giorni fa | 0

Risposto
Make calculation on line profile (Intensity) through object on image
To get the size (area), equivalent circular diameter, mean, max, and min intensities of the blob, why not simply threshold and c...

8 giorni fa | 0

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Plots saved as JPEG look awful. How to improve?
If you're saving an image, use imwrite and save as a PNG format file. If you are saving an image and want the title, axes, and ...

8 giorni fa | 0

Risposto
some variable viewer confusion
I believe you're checking it after you've overwritten it with code later on down in your script. Set a breakpoint on line 9 and...

8 giorni fa | 0

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How do I fix a "Color data must be an m-by-n-by-3 or m-by-n matrix." error?
Before that image(imdata) line, do this and tell us what you see in the command window: whos imdata If you do that we'll see j...

12 giorni fa | 0

Risposto
Request for MATLAB Code of Elephant Search Algorithm (ESA)
You might find some interesting things in the File Exchange: https://www.mathworks.com/matlabcentral/fileexchange/?q=elephant ...

12 giorni fa | 0

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polyshape not closing a circle
You might try other ways of drawing the circle. Some might need the image processing toolbox, but try looking at viscircles, po...

12 giorni fa | 0

Risposto
Smooth Results from bwboundaries
If you want to smooth boundaries you can use splines or pchip. I'm attaching demos. Another option if you have a binary im...

13 giorni fa | 0

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Display a small matrix as a gray scale image
Try using the 'InitialMagnification' option in imshow T2 =[ 0.4706 0.9804 0.8392 0.3216 0.9804 0.8392 ...

13 giorni fa | 0

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how to remove old licenses
If you can't remove them by logging in to your account on the website, I'd call them on the phone and ask for sales or tech supp...

14 giorni fa | 0

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Take 3x3 nearest neighbours round centroids of all spots and find the median of their mean
If you've used regionprops to find the centroids or the spots, then why not simply also ask it for the mean intensities? props ...

14 giorni fa | 0

Risposto
Variable might be set by a nonscalar operator
If theta_deg is in degrees, you should be using the degrees version of cosine, not the radian version. In other words use cosd,...

18 giorni fa | 1

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This erro occurred while cheking the code - "invalid use of operator"
Don't put single quotes around your variables. And you don't need the output arguments of the filenames. You can return the x_...

18 giorni fa | 0

Risposto
Issues extracting fibers from an image
The attached demo, while not a complete solution for you, may be helpful in enhancing the fibers. Sorry, but it's all I have ...

19 giorni fa | 0

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I want to detect leaf shape by line tracing.
Do a search of this forum for the tag "leaf". There are lots of examples. Basically you can probably segment the code by color...

20 giorni fa | 1

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Can I generate a standalone app with a trial license
I'm pretty sure you cannot compile code into a standalone app with a trial license. And I think some of the cheaper licenses wo...

20 giorni fa | 0

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Can I convert shades of red (Pink, Red, Maroon) in this RGB image to one single color, lets say blue?
See attached examples/demos.

20 giorni fa | 0

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How to make multiple lines of best fit into one scatter graph
See my attached demo. It does a piecewise linear fit over two sections, finding the best splitting point. You can adapt it to ...

20 giorni fa | 0

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What plugins to be installed for MATLAB
I don't know what you want to do. If you're acquiring your images from some medical imaging instrument and bringing them to you...

21 giorni fa | 0

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Programmatically setting a radio button from within App Designer
I wouldn't use eval. What if you just set the other buttons also if setting the one you want doesn't change the others automati...

21 giorni fa | 0

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Can someone rectify this code?
When you do this: out=[(1:1:10) ' fsolve(@myfun, Q0) '] it's trying to take a vector [1,2,3,4,5,6,7,8,9,10] and append a strin...

24 giorni fa | 0

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Plotting around zero deg. Angle
I think you have to convert to rectangular/cartesian coordinates. pol2cart might help. You can use XData and YData in imshow i...

30 giorni fa | 0

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The surface area won't round to one decimal place and I don't know how to get rid of the 'e's.
To get some other format displayed other than the default one, you can try to use format. If none of those built-in formats are...

circa un mese fa | 0

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