Image Analyst
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Senior Scientist (male/man) and Inventor in the Procter and Gamble Company, one of the world's 10 largest industrial corporations. I did image analysis full time until my retirement in 2023 and currently have only part time jobs with P&G. I have Ph.D. in Optical Sciences specializing in imaging, image processing, and image analysis. 45+ 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.
MATLAB, Visual Basic
Spoken Languages:
English
Pronouns:
He/him
Professional Interests:
Industrial Statistics, Image Processing and Computer Vision
Statistiques
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Feeds
Find specified number of points on curve with identical chord length (not arc length)
Use pdist2 to find the distance of every point to every other point. Then run along every row, starting with the diagonal eleme...
6 jours il y a | 0
How to remove unwanted double image in plot
Try something like this with your data [sortedx, sortOrder] = sort(x, 'ascend'); % Sort x and get the order it was sorted in. ...
7 jours il y a | 1
Identifying bright spots in RGB image
If the spots are always about the same size and white, then you can just segment out white regions and then filter out things th...
17 jours il y a | 1
2026a Release Date?
They don't announce the date in advance. You can check the website, which usually has it available for download before you get ...
19 jours il y a | 1
When plotting 3D graphs in MATLAB, can the x and y axis labels be made flush with the x-y plane, as shown in the figure below?
If you have a fixed orientation of the axes, try assigning the Orientation or Rotation properties of the tick labels. However I...
20 jours il y a | 1
Discussion
MATLAB on Artemis II?
Do we know if MATLAB is being used on the Artemis II (moon mission) spacecraft itself? Like is the crew running MATLAB programs...
22 jours il y a | 0
Need to download MATLAB 2008b onto my existing computer but no more activations exist for my license
Login to your Mathworks account on the web. Drill down until you see what computers are activated for your license. Tell it to...
environ un mois il y a | 0
identifying shapes in image
Yeah, of course. You can't use things like aspect ratio, area, etc. to classify shapes. Aspect ratio of a rectangle will chang...
environ un mois il y a | 0
Width and height values for ROIPosition must be greater than 0. error even when explicitly defining them.
I'm using a Teledyne camera with gentl. What happens if you call this attached InitializeVideoCamera function? It's meant to b...
environ 2 mois il y a | 0
Identify non accident properties and segment regions of concavity
You can identify concave regions by using bwconvhull and then subtracting, or doing an XOR, with the original binary image.
environ 2 mois il y a | 0
How can I force a .txt export
First of all NEVER overwrite the built in path variable. It's a reserved variable name and has information in there that you do...
environ 2 mois il y a | 0
| A accepté
visdiff() is crashing continuously in R2025b
No. But I haven't used it. You are a man of very few words (perhaps because you never read the tutorial link below). I'm not s...
environ 2 mois il y a | 0
| A accepté
How to identify a thin line in a noisy sideview picture?
It looks like the blobs are all on the upper side of the water surface. So what I would do is just scan the image finding the l...
environ 2 mois il y a | 0
Seeking advice on batch processing for opacity masking in ARK(Auto-Refractor Keratometer) retroillumination images (500+ images)
I agree with John. 500 is not that many and you'd spend more time developing an automatic algorithm than if you just hand traced...
environ 2 mois il y a | 0
to segment the coins from the background in the image and find the centroid of each distinct segmented coin
It looks like a homework question that gave you some starter code and you're supposed to fill in the commands after the comments...
environ 2 mois il y a | 0
searchin for an M file in all folders of my PC.
Try "Everything" by voidtools: https://www.voidtools.com/ It can give you nearly instant results on where files live. Not like...
2 mois il y a | 0
to segment the coins from the background in the image and find the centroid of each distinct segmented coin
You need to use regionprops See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It does exa...
2 mois il y a | 0
How to make a shape and find orientation of said shape from a BW mask?
You can use regionprops and look at 'Orientation' and the Feret properties with regionprops or bwferet.
2 mois il y a | 0
How to do 1D signal analysis?
Right before %% Compute PSDs for original signals [f1, PSD1] = myPSD(sig1, Fs); [f2, PSD2] = myPSD(sig2, Fs); you're going t...
2 mois il y a | 0
How to do 2D Image Processing?
For some examples, see my File Exchange: https://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862&sort=downl...
2 mois il y a | 0
Morphological Image Processing: Object Identification and Separation
There are MATLAB demos that separate particles. See blogs: Watershed transform question from tech support » Watershed transfor...
2 mois il y a | 1
Not able to access license.
Did you try to do what it said about logging in to your account to fix it? And then calling tech support and ask for installati...
2 mois il y a | 0
Can I get specific principal components from PC bands?
How did you specify or locate the coordinates in your MRI images? And is it a set of (x,y) coordinates, one set for each image?...
2 mois il y a | 0
how do i fill in the shapes
If you're ultimately trying to say that "this shape is a yellow triangle" and "this shape is a blue square" then some of what yo...
2 mois il y a | 1
how do i fill in the shapes
I have no idea what "how do i fill in the outline of the shapes so i can recognise them later " means. What do you really want ...
3 mois il y a | 0
Can the functions from the Camera Calibrator app be implemented in a standalone executable?
If your code calls one of the apps that is on the Apps tab of the toolbar and that app has it's own GUI then most likely it cann...
3 mois il y a | 0
how to place an image under my line plot in same figure - both same size?
Attached are some simple demo scripts that insert/inset/overlay/place/composite/superimpose (whatever you want to call it) image...
3 mois il y a | 0
mlapp scaling/zoom errors
I don't know about zooming into plots versus the entire GUI, but I know the layout of your main app's gui is messed up if you ar...
3 mois il y a | 0
Discussion
New unique names requirement for File Exchange addons
I got an email message that says all the files I've uploaded to the File Exchange will be given unique names. Are these new nam...
3 mois il y a | 0
how do i get my image to display. it keeps erroring out on me.
The image you specified is not in your current folder (where your script is) or on your search path. You can either move your...
3 mois il y a | 0
| A accepté
