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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
  • Solver
  • 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 to make a stem graph to display less points?
Use axis % Make t axis go from -3 to the maximum. axis([-3, max(t)]); If you have any more questions, then attach your data a...

7 hours ago | 0

Answered
Can MATLAB plot a graph like this? (Ignore the black lines and light blue areas; I only care about the red and blue points.)
Instead of bubble chart, try scatter where you can specify the color and size of each marker.

7 hours ago | 0

Answered
Finding slope of a curve at some specific points
Wouldn't the average velocity just be the total displacement divided by the total time? I don't see why you need to compute the...

1 day ago | 0

Answered
I just want to keep track of the object I selected.
The Computer Vision Toolbox has some tracking capabilities. Look them up.

1 day ago | 0

Answered
How to identify such functions as addpath that are coming with MATLAB?
@Henning Søgaard and @Paul, try this: % Demo by Image Analyst to notify user if one of their m-files % is also a built-in func...

2 days ago | 0

| accepted

Answered
Speoial character in struct fieldname
Have them start with a letter and use underscores instead of dots. fn = {'v0_05', 'v0_10', 'v0_15', 'v0_20', 'v0_25', 'v0_30', ...

3 days ago | 0

Answered
MATLAB will not open in MacOS Sequoia15.1
If you don't get an answer here today, then I suggest you call tech support tomorrow for installation support. Do exactly what ...

3 days ago | 0

Answered
How to identify such functions as addpath that are coming with MATLAB?
Are you trying to find out what functions are called in your code so you can determine what toolboxes are needed, and which of y...

3 days ago | 0

Answered
I have an error using walsh. It says
I recreated your problem: >> walsh Execution of script walsh as a function is not supported: C:\Users\Mark\Documents\MATLAB\w...

5 days ago | 0

Answered
Why did the MATLAB runtime application worked improperly
Did a console window pop up? Can you look there for error messages? If it went away, then make sure your mcc is not using the ...

6 days ago | 0

Answered
How do I extract data from a structure using a for loop?
Not really. Fields are not ordered by number. They have names. What is the name of the "final" field in the 10 upper level fi...

6 days ago | 0

Answered
How to save and load all the states of checkboxes and etc
See the Official Mathworks support answer: https://www.mathworks.com/matlabcentral/answers/523768-how-to-save-restore-state-of-a...

7 days ago | 0

Answered
How to save and load MATLAB app?
@William, see the official Mathworks support on the topic of saving the state or values of controls from one of your app's sessi...

7 days ago | 0

Answered
Pause button not functioning
Try uiwait and helpdlg while whatever % Make some figure in the loop hFig = figure; % Then pause asking user to ...

7 days ago | 0

Answered
How to find the gait energy image(GEI) in matlab from a sequence of gait images saved in a folder?
See attached demo for averaging together all the images in a folder. It will probably work for grayscale images too.

7 days ago | 0

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...

7 days 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...

7 days 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...

8 days 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...

8 days ago | 0

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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"...

8 days 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...

8 days 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 ...

8 days 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...

8 days ago | 0

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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 ...

9 days 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, ...

9 days 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...

9 days 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 ...

10 days 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...

11 days 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...

11 days 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...

11 days ago | 0

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