Image Analyst
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
MATLAB, Visual Basic
Spoken Languages:
English
Pronouns:
He/him
Professional Interests:
Image Data Workflows, Industrial Statistics, Image Processing and Computer Vision
Statistics
0 Questions
39,210 Answers
17 Files
Cody0 Problems
1 Solution
32 Highlights
RANK
2
of 295,788
REPUTATION
78,018
CONTRIBUTIONS
0 Questions
39,210 Answers
ANSWER ACCEPTANCE
0.00%
VOTES RECEIVED
12,447
RANK
29 of 20,282
REPUTATION
23,733
AVERAGE RATING
4.70
CONTRIBUTIONS
17 Files
DOWNLOADS
343
ALL TIME DOWNLOADS
218566
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
32 Highlights
AVERAGE NO. OF LIKES
3
Feeds
Identifying and extracting clusters of points from image
If you know the number of clusters, then kmeans or knnsearch might be the way to go, or even SVM (support vector machine). If y...
4 hours ago | 0
cannot find function even it is in path
If you try to run a script that is not in the current folder or on the path, it will popup a message prompting you to change the...
21 hours ago | 0
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...
2 days ago | 0
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.
2 days ago | 0
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...
3 days ago | 0
I just want to keep track of the object I selected.
The Computer Vision Toolbox has some tracking capabilities. Look them up.
3 days ago | 0
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...
4 days ago | 0
| accepted
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', ...
4 days ago | 0
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 ...
4 days ago | 0
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...
4 days ago | 0
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...
7 days ago | 0
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 ...
7 days ago | 0
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...
7 days ago | 0
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...
8 days ago | 0
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...
8 days ago | 0
Pause button not functioning
Try uiwait and helpdlg while whatever % Make some figure in the loop hFig = figure; % Then pause asking user to ...
8 days ago | 0
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.
8 days ago | 0
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...
9 days ago | 0
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...
9 days ago | 0
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...
9 days ago | 0
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...
9 days ago | 0
| accepted
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"...
9 days ago | 0
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...
9 days ago | 0
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 ...
9 days ago | 0
Fingertips detection from image
Dirk-Jan Kroon has done it. See these File Exchange submissions of his: https://www.mathworks.com/matlabcentral/fileexchange/2...
9 days ago | 0
| accepted
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 ...
10 days ago | 0
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, ...
10 days ago | 0
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...
11 days ago | 0
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 ...
12 days ago | 0
| accepted
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...
12 days ago | 0