Image Analyst

Last seen: Today | Active since 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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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 ...

ungefär 4 timmar ago | 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...

ungefär 18 timmar ago | 0

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

ungefär 23 timmar ago | 0

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Answered
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...

ungefär 23 timmar ago | 0

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

4 dagar ago | 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...

4 dagar ago | 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.

4 dagar ago | 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

4 dagar ago | 1

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Answered
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...

5 dagar ago | 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...

6 dagar ago | 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 dagar ago | 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 dagar ago | 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 dagar ago | 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 dagar ago | 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 dagar ago | 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 dagar ago | 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 dagar ago | 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.

20 dagar ago | 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

20 dagar ago | 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.

21 dagar ago | 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...

22 dagar ago | 0

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Answered
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...

22 dagar ago | 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...

22 dagar ago | 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...

22 dagar ago | 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...

22 dagar ago | 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...

22 dagar ago | 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 dagar ago | 0

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Is it possible to make a video play through of points showing yaw, pitch, and roll values?
See my attached movie making demos.

24 dagar ago | 0

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how can I make the dilation and erosion process on the image in the cleanest way?
I don't think you need to do any of that for deep learning. You don't need to get rid of the black background in the corners....

24 dagar ago | 0

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how can i change image brightness ?
Try imadjust or adapthisteq

24 dagar ago | 0

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