Image Analyst
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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
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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Feeds
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...
ungefär 19 timmar ago | 0
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 ...
ungefär 24 timmar ago | 0
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...
en dag ago | 0
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...
5 dagar ago | 0
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 ...
6 dagar ago | 0
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...
6 dagar ago | 0
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...
6 dagar ago | 0
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 ...
6 dagar ago | 0
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...
7 dagar ago | 0
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 ...
8 dagar ago | 0
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,...
11 dagar ago | 1
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_...
11 dagar ago | 0
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 ...
12 dagar ago | 0
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...
13 dagar ago | 1
| accepted
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...
13 dagar ago | 0
Can I convert shades of red (Pink, Red, Maroon) in this RGB image to one single color, lets say blue?
See attached examples/demos.
13 dagar ago | 0
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 ...
13 dagar ago | 0
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...
14 dagar ago | 0
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...
14 dagar ago | 0
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...
17 dagar ago | 0
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...
23 dagar ago | 0
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...
23 dagar ago | 0
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...
25 dagar ago | 0
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",...
28 dagar ago | 0
How to make an subscript in this specific manner?
Put the max in braces: ylabel('$u_{max}$','interpreter','latex','FontSize',14);
28 dagar ago | 0
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...
29 dagar ago | 0
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...
ungefär en månad ago | 0
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). ...
ungefär en månad ago | 1
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'...
ungefär en månad ago | 0
