Image Analyst

Last seen: 1 giorno fa | Attivo dal 2010

Followers: 3 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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calculating the velocity and distance of a rocket
Why do you need differential equations? velocity = acceleration * time and distance = (1/2) a*t^2 + v*t + d0. You only are giv...

circa 11 ore fa | 0

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How to extract the Physical value from the Raw Signal of the CAN using MATLAB coding
I have no idea what BMS is, nor CAN. Please explain and attach your data file. Zip it up if the extension is not allowed for u...

circa 14 ore fa | 0

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how to convert numerical dataset to image ?
If you're building your own network then you can just design it to use your existing matrix size of 2816 x 2500. No need to res...

circa 17 ore fa | 1

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Problem 56313. Find Air Temperature from Cricket Stridulation Rate
Not sure why you have a while loop. It will enter the while loop because F=0 is less than 50 but then you add 110 to it so the ...

circa 21 ore fa | 0

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How to segment dataset and randomly sample and append datapoints?
Try this: % Create initial full table. col1 = [3.0; 5.6; 10.2; 12.0; 14.4; 15.6]; col2 = {"08-Feb-2019 12:34:52"; "11-Feb-201...

1 giorno fa | 0

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Improve my MATLAB skills
See Best way(s) to master MATLAB? - MATLAB Answers - MATLAB Central

1 giorno fa | 0

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Modifying the search path is not supported by Matlab Compiler?
Try taking that line of code out of your program. To add files that the compilation process may not see and automatically inclu...

1 giorno fa | 0

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Saving 3D image after segmentation
Did you try imwrite or save? help imwrite

5 giorni fa | 0

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can image tiff convert to grayscale
image is a built-in function. Do not use it as the name of your variable. Zip up your image and attach the zip file with the p...

5 giorni fa | 0

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How would I properly go about creating this function?
What is "width_values"? You never set it equal to anything so of course it complains.

5 giorni fa | 0

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Not able to form the graph needed for the given equation. Error shown is in relation to the Matrix in the denominator, which I understand is wrong but can't get it right.
Try using 1./x and .*sqrt

5 giorni fa | 1

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Set MarkerFaceColor to be filled by default
Try this: x = 1:5; y = rand(1,5); l = plot(x,y,'o', 'MarkerSize', 30); l.MarkerFaceColor = [.6, .2, .9]; % Change color from...

6 giorni fa | 0

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How can I measure the (μm) length, diameter and radius of halloysite mineral?
Since most particles do not lie completely in the image or have one end obscured if they do, you can't get particle length. I s...

7 giorni fa | 0

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rotating image using app designer
Assuming you have an image variable, not a widget on the UI, called app.img, it should work. But I don't know what app.img is. ...

8 giorni fa | 0

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Why is my error not exactly 0
error is a built-in function. You must not use it as a name for your variable. Does the FAQ answer your question? https://mat...

11 giorni fa | 0

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How can I identify the region where the ferret is through color in the image?
Use the Color Thresholder app on the Apps tab of the tool ribbon. Also see color segmentation apps in my Image Segmentation Tut...

13 giorni fa | 0

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How can find connected region in RGB images?
See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpose demo of ...

13 giorni fa | 0

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I want to change the backgroung color of image into transparent and then work with the pixels of it
Start here: Watershed transform question from tech support » Watershed transform question from tech support Marker-Controlled ...

13 giorni fa | 0

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use rgb to caculate three brown ratio
You could try using kmeans with k=5 for the three browns, black, and white (for the letters). Or you could also use K nearest N...

17 giorni fa | 0

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Image segmentation to segment the large blob into singular objects MATLAB
What about my answer in your duplicate question: https://www.mathworks.com/matlabcentral/answers/2100681-image-segmentation-of-...

20 giorni fa | 0

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Why are all of my axes flipped in this figure?
Try axis xy or axis ij after you're all done plotting to see if one of those makes it the way you want it.

21 giorni fa | 0

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showing error " Array indices must be positive or logical values"
See the FAQ for a thorough discussion of the error: Subscript indices must either be real positive integers or logicals

21 giorni fa | 0

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potential issue with fscanf new line character, the newline character is /n coming from a c background i was trying \n.
Maybe you might want to try readlines instead.

22 giorni fa | 0

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Reconstruction of a blurred and noisy image
When I was in grad school, decades ago, my professor and I published a paper on "median window enhancement". The theory is that...

23 giorni fa | 0

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Finding both row and column indexes of nearest value
To find the nearest row and column, subtract the reference value from your matrix and then use find. To be super explicit, here...

23 giorni fa | 0

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Image segmentation of these pellets
It would be very very difficult to segment every single individual pellet, particulary since some are very small, some are "touc...

23 giorni fa | 0

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Zoom in on a particular part of the plot with circular view
You can adjust the graph's x limits to zoom in on the section you want: xlim If you want to make a new plot with a small porti...

23 giorni fa | 0

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Find similarities between two signals
The question is really what kind of metric(s) would be useful for you? How about RMS difference? rms How about mean absolut...

23 giorni fa | 0

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how can I make the vascular structures in the retina image incisively and clearly in image processing?
See this File Exchange entry: Trainable COSFIRE filters for vessel delineation with application to retinal eye images, ophthalm...

23 giorni fa | 1

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How Do I Implement Histogram Normalization for RGB Image?
Yes it will look weird. That's because you stretched each color channel independently and that destroys the color relationship....

24 giorni fa | 0

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