Image Analyst

Last seen: Today | Actif depuis 2010

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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

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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Code not displaying figure
Well you never plot anything and evidently you never get to the line where you call image to display an image. Try debugging ...

environ 4 heures il y a | 0

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Is it possible to ADD a warning before Matlab starts?
You can check for drives in your startup.m file, and warn you if the folder or drive is not there, like this missingFolder = fa...

1 jour il y a | 0

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How can I identify and fill outliers in a 2d matrix?
You forgot to attach your data so it's hard to help you. Make it easy to help you, not hard. One possibility is to use a modif...

1 jour il y a | 1

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How to do skull stripping when the skull in the image is not complete?
I presume you've already seen my skull stripping demo I've posted many times, but I'm attaching it here for others. If your ini...

1 jour il y a | 0

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How can i fit the inscribed circle with different diameter in an image ??
I don't even know what "fill with a different diameter" means, but you might try imfill mask = imfill(mask, 'holes');

1 jour il y a | 0

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how to remove background from thermal image. i want to remove the background from the image. just want forground image
Again, I don't think you need to actually zero out (blacken/remove) the background, but this is what you asked for: % Demo by I...

2 jours il y a | 0

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How do I solve this error in Parameter Setting for 2-D Lookup Table Block in Simulink?
There is no rowIndex or columnIndex for set_param. Why do you think there is? https://www.mathworks.com/help/simulink/slref/se...

2 jours il y a | 0

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Where to find the coordinates info of image labelar's bounding boxes?
Use the Export button to export the code into an m-file. The coordinates should be in one of the variables in the function.

5 jours il y a | 0

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how to remove background from thermal image. i want to remove the background from the image. just want forground image
The first question is why do you want to remove the background? Chances are you don't need to "remove" it but that you just nee...

5 jours il y a | 0

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How to remove black (no perfectly black) background and calculate area of cracks?
@Elisa try this: % Demo by Image Analyst % Initialization steps: clc; % Clear the command window. close all; % Close all...

5 jours il y a | 1

| A accepté

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order using first column in array cell
Fixed code below. Read comments for explanation. s = load('matlab_cell.mat'); originalList = s.newList % The problem with so...

6 jours il y a | 0

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filling Index issues imfindcircles
I don't know what this means: "not filling the index or maybe there isnt enough to fill the array". The demo and your code does...

6 jours il y a | 0

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Isolating one Texture from LBP
@Veronica See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpos...

6 jours il y a | 0

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Determine the centroid and radius of the intervertebral disk
Try this: % Demo by Image Analyst % Initialization steps: clc; % Clear the command window. close all; % Close all figure...

7 jours il y a | 0

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MATLAB wont start on Linux. It did yesterday.
See the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation,_MATLAB_crashes_or_gives_an_error_message_when_I_try_to_run_M...

7 jours il y a | 0

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Is there a way to crop an array depending on the values that I want through a function as the values change?
The binary option is trivial if you have the Image Processing Toolbox signal = logical([0,0,0,0,1,1,1,1,1,0,0,0,1,0,0,0,0,1,1,1...

7 jours il y a | 0

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saving elements of a dataset as images
Your cRadon() will do the radon transform for every angle from 1,2,3,4,....,179,180. Is that what you want or do you want just ...

7 jours il y a | 1

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How to remove black (no perfectly black) background and calculate area of cracks?
Defining the mask is easy. Assuming it's pure zero you can just do something like circleMask = grayImage > 0; It looks like t...

8 jours il y a | 1

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GUIDE code from pre 2015 need to access the button press function and "programatically press the button" from a different m file
I agree with @Steven Lord that you should just rethink and reorganize the workflow. That said, please read the FAQ for ideas on...

9 jours il y a | 0

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How to play video in matlab for computer vision?
Do you really need to re-instantiate the video player inside the while loop? Try moving these lines before the while loop % In...

9 jours il y a | 0

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saving elements of a dataset as images
You want to save inputData(:,:,idxSelected(i)), which is a variable internal to a Mathworks written function called loadCSIDatas...

9 jours il y a | 1

| A accepté

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How could I fix this file path error？
Where does the MAT file actually live? If it is not in that folder, then type in the full path and name of the file.

11 jours il y a | 0

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Getting " Yet Another Color Gamut Visualizer" App Working
I don't know about that particular File Exchangeitem but if you want to look at the gamut of your actual image, you might check ...

12 jours il y a | 0

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How to get warning source
Learn to debug your code. Just step through it one line at a time until you see the error appear. See this link Debugging in ...

12 jours il y a | 0

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How to save an image without axis or white space?
You can use imwrite() to save any matrix as an image. It won't save any axis labels or graphics in the overlay. You can use ...

15 jours il y a | 0

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Not recognizing any text files in folder using dir(fullfile)
You're missing the forward slash after the drive letter and colon. Put that in. Also, your code is not very robust. You could...

17 jours il y a | 0

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Assigning many cell array entries to same value using index
Seems like it should work, but it doesn't. However this works: %% Goal is cell array 'cellArray' containing 'High' for certain...

17 jours il y a | 0

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Problem with matlab; error opening functions
Simply reinstall the complete version. Do NOT "paste the toolbox folders, not install." Evidently that doesn't work, as you fo...

18 jours il y a | 0

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How to connect point by curve instead of line in MTALB plot
If you want a smooth envelope going through the convex hull points, like you showed in your example, I suggest first using convh...

19 jours il y a | 0

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Add costume buttons to imagesc plot
I'd just use AppDesigner to create a GUI with an axes on it. Then use imshow() to display the image. Then have a button that s...

19 jours il y a | 1

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