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Image Analyst


Last seen: Today Active since 2010

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. 40+ 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

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Answered
I need help with Application compiler
If you shipped your library and had the user put it into some specific folder, then specify that folder fully, from the drive le...

alrededor de 5 horas ago | 0

Answered
How to plot like the following figure?
data = readmatrix(xlsfileName); imshow(data, [], 'XData', [0, 500], 'YData', [300, 1200]); xlabel('D (nm)') colormap(jet(256)...

alrededor de 5 horas ago | 0

Answered
Trying to make a code that tells the weather
Some of the worlds smartest scientists have been using the worlds largest and fastest super computers for decades trying to do t...

alrededor de 8 horas ago | 0

Answered
I wrote this code and it didn't work and its gave me " Unrecognized function or variable 'seq' " error , What I can do to sole this error??
I agree with Rik that it's an uncommented alphabet soup mess of code. Anyway, have the first few lines of your program be func...

alrededor de 14 horas ago | 0

Answered
How can I use fprintf to print matrix by column?
Use commas instead of semicolons: x = [1:0.6:4] k = str2double (input ('Enter a value k: ','s')); y = [x',(x.*k)',(x.^3)'] d...

alrededor de 14 horas ago | 0

| accepted

Answered
why do I get this error?
AIS1 has 4 or fewer columns. s = size(AIS1)

alrededor de 15 horas ago | 0

| accepted

Answered
My white and black strips becomes a a black surface using imread and imshow
Try imshow with []: imshow(strips, [])

alrededor de 16 horas ago | 0

| accepted

Answered
How to divide a vector by a constant?
The denominator with sqrt() is a vector so you need a dot before the slash y = 1 ./ sqrt(1 - (speeds .^ 2 ./ c ^ 2))

alrededor de 17 horas ago | 1

| accepted

Answered
Can I create and modify variables in an Excel sheet?
Yes, they can give you data in whatever form you like - text file, csv file, xlsx file, etc. Then you can read in the file and ...

alrededor de 17 horas ago | 0

Answered
How to save the splitted tables in excel using matlab
What do you mean by directly? You can use ActiveX if you're in Windows to directly control Excel. Or you can simply write th...

alrededor de 17 horas ago | 0

Answered
matlab code for median-mean filter
See attached modified median filter to remove salt and pepper noise.

alrededor de 17 horas ago | 0

Answered
For loop only completing once
ncol is 1. Use numel() instead of size(): %%trial al 6061%% clc clear workspace baseName = ["AL-6061"; "test"; "try";"woo"]...

alrededor de 17 horas ago | 0

| accepted

Answered
How can I find the average of several lines whose datasets are different lengths?
I suggest you resample each curve with interp1() so that all your curves are using a common set of x values. Then simply add th...

alrededor de 17 horas ago | 1

| accepted

Answered
license manager error -9, tried solutions
Mary, your fastest route to success is to read the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation.2C_MATLAB_crashes...

alrededor de 21 horas ago | 0

Answered
I am struggling to get started on this MATLAB question. Any tips on how to use for loops in this? Or important things to take note of?
Do you know how to program in the MATLAB language yet? MATLAB Academy - Free 2 hour training How do I get help on homework que...

alrededor de 21 horas ago | 1

| accepted

Answered
Extracting rows in row-wise manner. How to do this?
Try this: [rows, columns] = size(A); for row = 1 : rows % Extract a row of A (all columns of it) into a new row vector, B...

1 día ago | 0

Answered
Verification of loaded and copied data
Not sure what you want but try subtracting and looking at absolute value of the difference diffMatrix = abs(m1 - m2); % Differe...

1 día ago | 0

| accepted

Answered
Logical operator for strings
Try it this way: prompt = 'rock(r),paper(p),or scissors(s)? Make a choice : '; user_choice = input(prompt, 's'); if ismember(...

1 día ago | 0

Answered
please help me solve this and also tell me what i did wrong m=2x^3-2y-sqrt(x-y^3)/(1+(x-y)/(x^2+3))+sin(x/y*pi)+exp^(y/3)
Easy enough to type out, but so what. What do you want to do with m? Show it as an image or a surface or something? What rang...

1 día ago | 0

Answered
Help me out on this error
It's probably our most asked FAQ question. We've seen it at least once just today besides you. So, see the FAQ: https://matla...

1 día ago | 0

Answered
Regarding 'Or' condition in if statement., this code is running in Octave but not in Matlab. Could anyone help, how to make it work in Matlab. This is just an eg.
It works perfectly fine, though in MATLAB we'd do it like this: clear all; close all; clc; Question = input('Would you like ...

1 día ago | 0

Answered
Getting error as array indices must be positive integers or logical values in slope calculation.
A thorough discussion of the error is in the FAQ: https://matlab.fandom.com/wiki/FAQ#.22Subscript_indices_must_either_be_real_p...

2 días ago | 0

Answered
how to delete permanently the first row of this table
% Read table from txt file: t = readtable('jro19661111.001.txt') % Delete first row t(1,:) = [];

2 días ago | 0

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Answered
matlab code least square method
You forgot to attach your code. I know it's obvious, but did you try the usual, easy formula? When you tried it, what went wro...

2 días ago | 0

Answered
Matlab standalone app with runtime 9.10 won't run on some windows 10 machines
Did you try all the things in the FAQ: https://matlab.fandom.com/wiki/FAQ#My_standalone_executable_won.27t_run_on_the_target_co...

3 días ago | 0

Answered
Unable to find explicit solutions to an equation
I'm not sure what you want to "resolve" or solve. This is what I see when I plot it: fontSize = 20; x = linspace(-2*pi, 2*pi,...

3 días ago | 0

Answered
How to find function for many parameters?
You can use the save() function to "save parameters in a separte file" and recall them later.

3 días ago | 1

Answered
sorting and unsorting ?
Try this: a = magic(3) [b, sortOrder] = sort(a, 1, 'descend') c = zeros(size(b)); for col = 1 : size(b, 2) c(:, col) = b(s...

3 días ago | 0

Answered
Failed to convert character code error
What is your code? You forgot to attach it or your data. Use an editor to chop off some rows of your csv text file if it's too...

4 días ago | 0

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