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Image Analyst


Last seen: Today |  Con actividad desde 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
Professional Interests:
Image Data Workflows, Industrial Statistics, Image Processing and Computer Vision

Statistics

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  • MATLAB Central Treasure Hunt Finisher
  • Most Accepted 2022
  • Most Accepted 2021
  • Solver
  • Personal Best Downloads Level 5
  • Editor's Pick
  • First Review
  • 5-Star Galaxy Level 5
  • First Submission
  • 36 Month Streak
  • Most Accepted 2014
  • Thankful Level 5

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Respondida
Is MathWorks working on a dark mode for MATLAB similar to what Visual Studio offers?
With release 2023a, dark mode is here. See https://www.mathworks.com/matlabcentral/discussions/highlights/780745-try-dark-mode...

alrededor de 14 horas hace | 0

Respondida
Creat interactive toolbox for image processing
See my attached contact angle demo. Note in the code where I find the black baseline at the bottom of the droplet. Adapt as ...

alrededor de 14 horas hace | 0

Respondida
What is an alternative for 'extractBefore' in MATLAB 2015b
Try it this way str = 'Image Analyst, Image Analyst'; indexes = strfind(str, 'Analyst') extractedBeforeString = str(1:indexes...

alrededor de 15 horas hace | 0

Respondida
aif360 Fairness library in python

alrededor de 15 horas hace | 0

Respondida
Unrecognized function or variable 'imnoise2'.
Try using the imnoise function of the Image Processing Toolbox instead of imnoise2 (which we don't know what that is).

alrededor de 15 horas hace | 0

Respondida
How to get pixel value inside a circle
Try this. Adapt it to drawing multiple circles and showing them all should be no problem. % Demo to show how drawcircle can be...

alrededor de 15 horas hace | 2

Respondida
how can i plot this
This looks like a homework problem. If you have any questions ask your instructor or read the link below to get started: How d...

1 día hace | 0

Respondida
How do I code for this random situation?
This looks like a homework problem. If you have any questions ask your instructor or read the link below to get started: How d...

1 día hace | 1

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Respondida
how to track objects in a live video
snapshot gets a frame from a camera. If you want to read from a video you need to call VideoReader. See some attached demos.

1 día hace | 0

Respondida
ismember with regionprops returning all zeros?
You're missing a call to pdist2 (in the Stats toolbox I believe). If you still need help, attach the two segmented (binary) ima...

1 día hace | 0

Respondida
Finding average of images using for loop.
@Raushan your code is not very robust at all. I've made many improvements and it's below. I also have a demo to sum images whi...

4 días hace | 0

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Respondida
Cropping image missing values after imwarp
@Jorge Barrasa try searching for "largest Interior box" https://www.google.com/search?q=largest+interior+box+algorithm&tbm=isch...

4 días hace | 0

Respondida
DrawEllipse with no markers on Line
See attached demos where I put ellipses on graphs with no handles. One of them should do what you want.

4 días hace | 1

Respondida
Too Many Output Arguments fseminf
Maybe try not defining your anonymous function inside the argument list of the function you're trying to call. So instead of ...

4 días hace | 0

Respondida
What is the best way to determine the highest peak of each plant in a cup?
It would be best if you could plant them in a line and view them from the side with a white uniform background. Then it would b...

4 días hace | 0

Respondida
Cannot Find MATLAB Runtime R2023a (9.14)
Did you look on the download page? https://www.mathworks.com/products/compiler/matlab-runtime.html

4 días hace | 0

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Respondida
searching for a line of pixels in an image
Here are some File Exchange submissions and you can see how they did it. Digitize a graph GRABIT - digitize images of graphs ...

4 días hace | 0

Respondida
Is there a way to batch find streamline equations from an image?
The blue lines are not polynomials. I'd just deal with them numerically and use spline. Why would you want a polynomial formul...

5 días hace | 0

Respondida
How can I get this code to show only the veins in a fundus image of an eye ?
See https://www.mathworks.com/matlabcentral/fileexchange/49172-trainable-cosfire-filters-for-curvilinear-structure-delineation-i...

5 días hace | 0

Respondida
Background color correction of a rgb picture
If you want to convert a pseudocolored thermal image to an image where the pixel values are the actual temperatures, see attache...

5 días hace | 0

Respondida
how to resolve this input size error
You forgot to attach "D:\Training\T6\netTransfer.mat". Pretrained is a structure that contains all the variables you saved as f...

6 días hace | 0

Respondida
How can I start? coding an expect advisor?
To learn fundamental concepts, invest 2 hours of your time here: MATLAB Academy - Free 2 hour training

6 días hace | 0

Respondida
How to get name of the standalone application with .exe extension while it is executing?
See attached utility that I use to get the filename of the executing standalone executable.

6 días hace | 0

Respondida
I read dicom file in Matlab and image is ok blacj and white but numbers of pixels are almost the same. Why?
Well for one thing, all you did was to read in and display the image. You did no image analysis at all! See my Image Segmentat...

6 días hace | 0

Respondida
How to automatically delete part of the mask like this
It would help to see the original gray scale images to know why your segmentation was not successful. It might be easier to pre...

7 días hace | 0

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Respondida
How i can generate 2D matrix with unique values using 2D choatic map ?
Try this: numbers = repmat(randperm(20)-1, 1, 20); randomIndexes = randperm(numel(numbers)); finalMatrix = reshape(numbers(ra...

7 días hace | 0

Respondida
Why am I getting "Arrays have incompatible sizes for the operation." error message?
% Circuit parameters C = 15e-6; % capacitance (F) L = 240e3; % inductance (H) vm = 24; % source voltage amplitude (V) % Ra...

7 días hace | 1

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Respondida
Background color correction of a rgb picture
Try this: % Demo by Image Analyst clc; % Clear the command window. close all; % Close all figures (except those of imtool...

7 días hace | 0

Respondida
Background color correction of a rgb picture
See attached demo. Adapt as needed. You will need to come up with a mask for the squares. Hopefully they are in the same loca...

8 días hace | 0

Respondida
How do I change the size of the MATLAB function hint and suggestion?
If setting the Preferences in MATLAB doesn't do what you want then some of those may be system level settings and you need to go...

9 días hace | 0

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