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Image Analyst


Last seen: Today |  Active since 2010

Followers: 54   Following: 0

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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  • MATLAB Central Treasure Hunt Finisher
  • Most Accepted 2023
  • Most Accepted 2022
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  • Personal Best Downloads Level 5
  • Editor's Pick
  • Most Accepted 2021
  • First Review
  • 5-Star Galaxy Level 5
  • First Submission
  • 36 Month Streak
  • Most Accepted 2014

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Answered
How can I search for all occurrences of built-in MATLAB functions called from multiple .m and .mlx files?
You might try to get a list of functions by using dir() to find all m-files in all subfolders of your MATLAB installation folder...

43 minuter ago | 0

Answered
Apple Silicon Mac Get an Error :"Something Unexpected Occurred" error when installing MATLAB documentation
I'd do exactly what it says in the FAQ: https://matlab.fandom.com/wiki/FAQ#During_installation,_the_installer_crashes,_hangs,_g...

ungefär 2 timmar ago | 0

Answered
interp1 function not working properly
Like @Subhajyoti said, linspace would be the preferred way to get exactly the number of elements you want and to get it to end e...

ungefär 11 timmar ago | 0

Answered
Extract border points from surface points (compatible with autogeneration in C)
Try alphaShape help alphaShape th = (pi/12:pi/12:2*pi)'; x1 = [reshape(cos(th)*(1:5), numel(cos(th)*(1:5)),1); 0]; y1 = [r...

ungefär 11 timmar ago | 0

Answered
Multi parameter input multiparameter (x,y graph) output model for prediction
Sounds like a partial least squares situation since variables are related. However, why don't you give the "Regression Learner"...

ungefär 14 timmar ago | 0

Answered
how to separate two graphe in one figure
If you want one plot or surface to be "lifted" above the other, you can add an offset to the one you want shifted. Be aware tha...

ungefär 14 timmar ago | 0

Answered
Looking for pixel as unit
Not sure what you mean. A digital image is a matrix. A pixel is just a value at a particular location in the matrix. I don't ...

ungefär 14 timmar ago | 0

Answered
Fingertips detection from image
Dirk-Jan Kroon has done it. See these File Exchange submissions of his: https://www.mathworks.com/matlabcentral/fileexchange/2...

ungefär 14 timmar ago | 0

Answered
Empty MATLAB plots appearing and unable to rmeove them.
Sounds like some kind of Windows sleep quirk. They won't remain after rebooting the computer. I don't know what went wrong in ...

en dag ago | 0

Answered
Different color scale?
You need to use the colormap function to set the colormap for each axes independently. So display one image, set the colormap, ...

en dag ago | 0

Answered
Help Browser always asks for the language
Maybe cookies are blocked? Can you set up an exception to allow cookies for the mathworks site? Do you have an ad blocker? Ca...

en dag ago | 0

Answered
How to do background subtraction between two images
@Khai your code and the other answer's code here is not correct. You cannot just subtract the pseudocolored images. They MUST ...

3 dagar ago | 0

| accepted

Answered
readtable error!!! Previously, readtable worked, but suddenly one day it started throwing an error.
Try it this way: [EDIT -- now tested with folder with CSV files in it] % Initialization steps. clc; % Clear the command wi...

4 dagar ago | 0

Answered
Identifying Boundary Nodes in a Point Cloud
Maybe use either pdist2 or knnsearch to identify blue points that are closest to red points. In other words, pairs that have mi...

4 dagar ago | 0

Answered
I received a message : "We are unable to offer you a trial." Why?
Perhaps you are already running a trial version. Perhaps you are asking for a second one too soon after you asked for the first...

4 dagar ago | 0

Answered
Error using .* Array sizes must match.
Add these extra lines and tell us what you see in the command window: whos mNet whos y_max whos I whos Dnet whos Q whos t ...

5 dagar ago | 0

Answered
como resolver este en matlab
What do you want to do? Plot it? Integrate it over some area? ¿Qué quieres hacer? ¿Graficarlo? ¿Integrarlo en alguna zona? f...

5 dagar ago | 0

Answered
hello Dear!! I'm a new coming in the community I want your help. about coding on MATLAB does the code is correct ? or the using of (&&) is no faire? and how can I correct it? thank you for respond .
The double && is correct. However you don't need to do a logical comparison to true. If it's true, then app.LikeCheckBox.Value...

6 dagar ago | 0

Answered
How to remove all NaN and Inf values when calculate the mean?
@Amy You might try interpolating the values, for example: % Create data with good values and inf and nan values. v = [10, nan,...

6 dagar ago | 1

Answered
matlab r2024b download problem
With R2024b, which I just downloaded and installed on a Windows computer yesterday, it first downloads a ~230 kb stub program. ...

6 dagar ago | 0

Answered
How to remove the background of the images?
MATLAB now has the "Segment Anything Model". See https://www.mathworks.com/help/images/getting-started-with-segment-anything-mo...

6 dagar ago | 0

Answered
Script for running all .m files in a large file folder with sub folders.
OK. Good luck with it. You might find the FAQ: helpful: Process a sequence of files To get a list of all m-files in your top ...

8 dagar ago | 0

Answered
kinect depth image thresholding
From the RGB image, it looks like it's looking at a flat computer screen. And since that's mostly flat it makes sense that ther...

9 dagar ago | 0

Answered
R2024b: documentation installed locally - how can I bookmark help pages?
Can you go to your router settings and assign your computer a static IP address? You should be able to.

10 dagar ago | 0

Answered
Need help writing a matlab function.
Replace all your [1, 2, 3; 4, 5, 6] by A. Replace output = hw4_problem1(A) by output = hw4_problem1(A, n) A is a vector, no...

10 dagar ago | 0

Answered
Is it possible to make this if statement more concise?
Try % Create three row vectors using linspace, colon operator, and [list] V1 = linspace(2,53,84); V2 = 1:2.3:48; V3 = [1, 42...

10 dagar ago | 1

Answered
Calculating Perpendicular Distance Between Detected Edge and Smoothing Function
You could just do a brute force search. Here is untested code. closestDistances = zeros(1, numel(redx)); for k = 1 : numel(re...

12 dagar ago | 0

Answered
行列を計算して，代入をしたいのですが，サイズが異なるためできないといわれてしまいます．教えてください．
If you have any more questions, then attach your data and code to read it in with the paperclip icon after you read this: TUTOR...

13 dagar ago | 0

Answered
Finding a pattern in a table and the coordinates of the "first hit"
Another way is to use ismember % Load data from .mat file. S = load('Andrew Table.mat'); t = S.Table; % Extract first column...

13 dagar ago | 1

Answered
Slow initialization at startup during the "Ready" step
I don't think it should take over 3 minutes to start MATLAB. On my old, slow, severely memory- limited 8 GB Windows computer, i...

13 dagar ago | 0

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