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
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He/him
Professional Interests:
Industrial Statistics, Image Processing and Computer Vision
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Feeds
Connecting points on opposite end of mask
If you can get the inner boundary and outer boundary as separate arrays, then it would be easy to find the boundary point closes...
3 days ago | 0
I am trying to find each particle area and each particle intensity through matlab.
Not sure what you mean by "Gaussian method" or by "I want to calculate individual or each particle intensity not the mean intens...
4 days ago | 0
How can I extract the crack from the noise and human drawn grid lines?
What I would do is to first get rid of the grid lines, then analyze what's left for cracks. To determine the grid line location...
7 days ago | 0
background subtraction to detect human
If the common background is not zero then the images are not registered (aligned) or the brightness (pixel values) of the backgr...
10 days ago | 0
Estimate area under a curve using finite approximations (lower sum with 4 rectangles of equal length)
Try this: f= @ (x) x.^2; x1=0; x2=1; n=4; totalArea=0; dx=(x2-x1)/n; % width of rectangle x = linspace(x1, x2, ...
12 days ago | 1
your mathworks account login session has expired
I've notified the Mathowrk account team of the issue and they are looking into it. In the meantime, someone called them and the...
13 days ago | 0
Stuck in installation process after accepting terms of license agreement
Try the FAQ: https://matlab.fandom.com/wiki/FAQ#During_installation,_the_installer_crashes,_hangs,_gives_an_error_message,_does...
14 days ago | 1
| accepted
How can I plot a 3D parabolic trajectory?
For what it's worth, see my attached demo where I compute just about everything you could want to know about a projectile and it...
14 days ago | 1
Help my password doesn't work to install updates
Can you login to the mathworks.com site from your internet browser with the same password? If not, try changing it then logging...
15 days ago | 1
How to remove least significant bits in a pixel.
A simple method that works for both color and gray scale images is to use bitand: inputImage = imread('lena.jpg'); % Set last ...
16 days ago | 0
how to convert index image into rgb image
When you did this: [X1,cmap]=imread('c09_1.tif'); Did you check the value of cmap? It's probably empty and so passing it to i...
19 days ago | 1
How can I use table() with a variable number of columns?
Yes, you're going to have to do something. If you have more variables that you want to add to a column or columns you want to r...
20 days ago | 0
Matlab system command to run exe with inputs not working, command window pop-up
Did you leave anything out or is that exactly as you have it in the command window? Like are there any spaces in the program, l...
20 days ago | 0
Splitting two nearly overlapping curves
I have a demo that will fit multiple (6 in the demo) Gaussians to a curve. Change the variable in the demo if you want some oth...
21 days ago | 1
How to get a smooth scalar field on regular grids from irregularly distributed sample data?
See my attached scattered interpolant demo. It will make a smooth function everywhere. If you don't want it for certain pixels...
21 days ago | 0
Need a tangent line in my plot like the example provided but I cannot seem to do it
RhtFitted = linspace(5, 10, 1) gives only a single value, so of course no line will be plotted. You need at least two points t...
23 days ago | 0
How to present the content of a field in a program?
Try this: a.a=234.5; a.b=444; a.s='This is an example'; a fn = fieldnames(a) str = sprintf('a = \nstruct with fields:'); ...
23 days ago | 1
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Matlab 'try now' and contact customer service doesn't work
Yes, there are all kinds of problems with everybody due to some greedy evil criminals that tried to blackmail Mathworks via a ra...
25 days ago | 1
When will reading Mono12 Motion JPEG2000 (.MJ2) data with VideoReader be fixed? (2024a, 2024b, 2025a)
Thomas, It looks like it's still in the current version, R2025a, according to the bug report, so that means you're probably be w...
25 days ago | 1
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Cannot acquire a MATLAB license.
The license center still has a degradation resulting from the ransomware attack. See https://status.mathworks.com/
25 days ago | 0
I want to remove noise from my audio signal by simplest method?
For the simplest (but not necessarily the best or most accurate) try sgolayfilt() or movmean(). Is your combined a 1-D mono sig...
26 days ago | 0
How can I place a linear regression line (line of best fit) through both plots in this code, but only from the halfway point to the end?
Do you already have the "linear distribution" and "chord and twist distribution"? Is that what columns 2 and 3 are? You are ...
26 days ago | 0
Request for access to the "Deep learning Toolbox" license
I'd do what it says. Who gave you the initial information on how to install MATLAB? I'd contact that person or department.
27 days ago | 2
simscape multibody link entering email is not working
See https://status.mathworks.com/ The fixes are starting to come through, for example Answers is now mostly working.
27 days ago | 0
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I cant downlader the Matlab and the answer error
They know. See https://status.mathworks.com/ They're in the process of recovering from a ransomware attack. Answers is partia...
27 days ago | 0
waht is wrong with the network？I can not downlow anything from matlab(such as Mingw-win64,stm32supportpackage).And i can not open the MATLAB Answer
See https://status.mathworks.com/ "MathWorks experienced a ransomware attack. We have notified federal law enforcement of this...
27 days ago | 0
"no healthy upstream" error when trying to access My Account
See https://status.mathworks.com/ "MathWorks experienced a ransomware attack. We have notified federal law enforcement of this...
27 days ago | 3
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Matlab 2023b app designer component property panel is blank
Sometimes I've seen some panels be blank, like hte components panel. I can often fix it by clicking around, like try clicking o...
1 month ago | 0
Why does fft of non-integer number of cycles sin wave NOT have sidelobes?
As you know, the FT of an infinitely long pure sine wave is a delta function. However you don't have an infinitely long sine wa...
1 month ago | 0
