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Image Analyst


Last seen: 2 dagen ago Active since 2010

Followers: 21   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
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  • Most Accepted 2021
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  • First Submission
  • 36 Month Streak
  • Most Accepted 2014

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Answered
warning in serial properties
If you look in the help, it will tell you. Use serialport instead. I figure you can figure out how to change your code as well...

4 dagen ago | 0

Answered
Align image to 3d point cloud
You'd have to somehow project your 3-D point cloud onto a 2-D plane so it can be compared to your 3-D image. But then some of t...

4 dagen ago | 0

Answered
change the color of curve from blue to any color and make it bold
You can specify the color as a 3 element vector with values between 0 and 1, or use one of the built in colors like 'r': y = ra...

4 dagen ago | 1

Answered
what toolbox to include for regression
For these few data points, and for a case like this where the best fit might simply be a line, you can use the build-in polyfit ...

5 dagen ago | 1

Answered
MATLAB editor configuration text extremely small
What is the "find bar"? Some of the fonts might still be controlled by the operating system so if you can't change a font siz...

6 dagen ago | 0

Answered
Why does my matlab code cannot detect the number of periods in a specific time range
Is locs_gelb the yellow signal? It looks like you've already determined how many cracks you have and your loop simply inspects ...

6 dagen ago | 0

Answered
I have the wrong code. How should I modify it to accomplish the goal?
That should be right, but delete lines 4-6. They should not be there. You pass in the base and height with your test function,...

7 dagen ago | 0

Answered
How to remove noise of low frequency signals
One way is use envelope, envspectrum, or audioEnvelope. Once you have the envelope, just subtract the lower curve of the envelo...

7 dagen ago | 0

Answered
what kind of plot is useful for comparing two matrices?
Why a plot and not a 2-D image showing differences? What would your x axis represent? If you treat your matrix as an image the...

7 dagen ago | 1

Answered
How to find repeated patterns of combination of numbers in the rows of a matrix
I don't have time to try anything for you now, but did you try ismember?

7 dagen ago | 0

Answered
real-time ROI and scatter plot in app designer
Once you have the ROI, you can get the x and y coordinates from the roi object. I didn't look at your code but when you then st...

7 dagen ago | 0

Answered
How can I connect the upper endpoint of the red curve to the red dot while keeping the curvature nearly the same?
Try using plot after you use scatter to draw a line from the last point on the curve to the marker you placed with scatter(): f...

8 dagen ago | 1

Answered
How to draw an uncertain number of sub-images in one coordinate in app designer?
Perhaps you want stackedplot. help stackedplot

12 dagen ago | 0

Answered
error
The main problem is exactly what it said and that is your script is called image.m which will take priority over a very importan...

12 dagen ago | 0

Answered
MatLab stays on Run forever and doesn't generate image file
Usually when there is an infinite loop it's with a while loop that never met the condition to exit, and (importantly!) didn't ha...

12 dagen ago | 0

Answered
Drawing the major and minor axis of an elliptical object in Matlab
This is discussed in this blog entry of Steve Eddins: https://blogs.mathworks.com/steve/2010/07/30/visualizing-regionprops-elli...

13 dagen ago | 0

Answered
Calculate Mean of vector in more decimals
It is already that. A = [0,1,9]; format short g m = mean(A) fprintf('Mean with 30 decimal places is %.30f.\n', m); format l...

13 dagen ago | 0

Answered
Peak coming at 50Hz in every data file. How to get rid of that
Find out what index the 50 Hz spike is in and zero it out. Something like f = fft(signal) [peakSignal, indexOfMax] = max(f) ...

13 dagen ago | 0

Answered
Matlab code to delete contents of a subfolders
Try this. At the bottom of the loop, put in a call to delete or whatever you want: % Start with a folder and get a list of all...

13 dagen ago | 0

Answered
Adjusting Convex Hull Area
Try regionprops % Make cross. cross = false(5, 5); cross(2:4, 3) = true; cross(3, 2:4) = true; % Measure area of convex hul...

13 dagen ago | 0

Answered
fenêtrage d'une image scannographie
help conv2 There are other windowed functions, for example stdfilt, imgaussfilt, etc.. It really depends on what you want to d...

14 dagen ago | 0

| accepted

Answered
how to do Open mouth detection
See articles on drowsiness detection here: https://www.visionbib.com/bibliography/motion-f725.html#Driver%20Monitoring,%20Eyes,...

14 dagen ago | 0

Answered
Using matlab in snaptostamps image processing
Try using ./ instead of / in the line where you assign demx.

15 dagen ago | 1

Answered
What is wrong with this code for finding out the number of significant digits after decimal?
See the FAQ https://matlab.fandom.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_(or_similar)_not_equal_to_zero? One way to compare float...

15 dagen ago | 0

Answered
Why does Matlab state that I do not have a valid license file?
I suggest the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation,_MATLAB_crashes_or_gives_an_error_message_when_I_try_to...

16 dagen ago | 0

Answered
inputdlg Window Not Showing
I ran it and it works fine for me. The input window popped up. Your script in not called inputdlg.m is it? Because that would...

16 dagen ago | 0

Answered
Manual and Automatic Image Recognition
Most bright spots looks like they're surrounded by a dark spot/ring. Do you want to count those as one of the dark spots? Do y...

17 dagen ago | 0

Answered
Can I use Matlab 2024a license with 2022b client software version
I've seen that "You need to update your license" message before and I've done it with no problems. But then I always have our l...

19 dagen ago | 0

Answered
How to erase black letters in an image
Try something like this % Demo by Image Analyst clc; % Clear the command window. close all; % Close all figures (except t...

20 dagen ago | 0

Answered
How can one use a variable to set color of a line plot , and use colorbar?
If you'd like the line to have a different color at every point along it, you'll have to plot markers with those colors. marker...

20 dagen ago | 0

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