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

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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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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...

circa 6 ore fa | 0

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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 ...

circa 6 ore 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...

circa 6 ore fa | 0

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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...

1 giorno 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 ...

1 giorno 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...

1 giorno 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 ...

2 giorni fa | 0

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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,...

6 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_...

6 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 ...

7 giorni fa | 0

Risposto
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...

8 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...

8 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.

8 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 ...

8 giorni fa | 0

Risposto
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...

9 giorni fa | 0

Risposto
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...

9 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...

12 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...

17 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...

18 giorni fa | 0

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MATLAB Optional Function Arguments
Try inputParser help inputParser

18 giorni fa | 0

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edge detection and comparison
What I would do is this: First use a telecentric lens - not a regular lens. Then make sure the backgrounds are the same (lik...

20 giorni fa | 0

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How do I process and display a 10 and 12 bit image in matlab?
Use [] to scale the actual data to whatever dynamic range your display can handle. For exampls imshow(snapshot2, [], "Parent",...

22 giorni fa | 0

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How to make an subscript in this specific manner?
Put the max in braces: ylabel('$u_{max}$','interpreter','latex','FontSize',14);

22 giorni fa | 0

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please help me to resolve this this
You're taking the largest blob in each frame. Display that blob all by itself to make sure that it's the same bubble blob risin...

24 giorni fa | 0

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Find least binary palindrome greater than a natural number
Can't you just do b = dec2bin(d+1) If not, then I'm not sure what you want. I'm not sure how 17 is the smallest natural numbe...

25 giorni fa | 0

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Activation a new computer
You can deactivate a computer you no longer have access to by logging in to your Mathworks account (avatar on the upper right). ...

26 giorni fa | 1

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How do I solve this issue, Error using vertcat Dimensions of arrays being concatenated are not consistent. Error in (line 22) A = [G1 +G2 +G3 -G1 -G2;
Your top row of A has 5 elements (columns) and you're trying to put a row under it that has only 3 elements (columns). You can'...

27 giorni fa | 0

Risposto
How do I project a map from the plane to a sphere?
Here is a demo for how to map an image onto a 2.5-D surface. The surface doesn't go all the way around in 3-D though. % Demo...

27 giorni fa | 0

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what is the ebst way to learn analytical Plotting
Here is the link we usually give: Best way(s) to master MATLAB? - MATLAB Answers - MATLAB Central Lots of ideas in tthe above ...

27 giorni fa | 0

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Compressing pixelated image blocks into array
Get rid of ones(). Hopefully this well commented demo will explain since it covers three scenarios. @Sushruta Chandramouli I t...

27 giorni fa | 0

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