
Image Analyst
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
MATLAB, Visual Basic
Spoken Languages:
English
Professional Interests:
Image Data Workflows, Industrial Statistics, Image Processing and Computer Vision
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how to calculate the area of each bin of intersection of a circle and mesh grid?
Is that 7 mm by 7 mm? Or pixels? If pixels you need to know how many pixels are in a mm. If you want individual areas of each...
etwa 8 Stunden vor | 0
How to extract string/numbers after a keyword in a text
You might like to know about dictionary help dictionary
etwa 9 Stunden vor | 0
Creating Mask to eliminate background in ROI from threshold for IR image
You forgot to attach screenshots, but I can imagine. I imagine you have a pseudocolor image of a thermal scene. I guess the wo...
etwa 10 Stunden vor | 0
Unable to "read" Text Area
Good one: "I've confrimed name/no typos." and "My text ares is..." Ha ha. 🤣 Anyway what is selection and selection.TypeText?...
etwa 11 Stunden vor | 0
GLOBAL VARIABLE :HOW USE IT?
See the FAQ: https://matlab.fandom.com/wiki/FAQ#Are_global_variables_bad?
etwa 17 Stunden vor | 0
TASK Create a variable volumes that contains the last two columns of data. You can see the size of data in the output pane to the right of your screen.
Is data a 3-D array? What does this show" whos data If data is a 3-D array you need to do volumes = data(:, 3:4, ;) If data...
etwa 19 Stunden vor | 0
I don't understand why the last line is wrong
Not sure what your goal is, but you can't subtract histogram objects. Perhaps you want to use histcounts() or get a property of...
etwa 20 Stunden vor | 0
Predict classification of a set of images using googlenet
Possibly of interest: https://www.mathworks.com/matlabcentral/fileexchange/103650-matlab-deep-learning-model-hub
etwa 20 Stunden vor | 0
I am getting an error in watermark extraction.. actually extracted watermark is showing blank image. please help me with this code.. thank you
Looks like it requires teh Wavelet toolbox, which I don't have. Is extracted_watermark floating point? If so, try this: imsho...
etwa 20 Stunden vor | 0
Find circularity in low signal to noise image with light relfections
Try this. Adjust parameters as needed to get what you want. % Demo by Image Analyst clc; % Clear the command window. clos...
etwa 20 Stunden vor | 1
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how to find average curve of n curves? n=3 in this case
Try findobj or see if you can get XData and YData properties of the figure. Otherwise see if you can get the data or equations/...
etwa 20 Stunden vor | 0
Could individual campus license be used in different computers?
You are allowed to change computers a few times per year, like if you get a new one. I don't know what a "campus" license is. ...
ein Tag vor | 0
How to change angles to 0 to 180
You say "What I wanted to do is I want to put all the following angles in the first quadrant ([0,90] so the ones that are alread...
ein Tag vor | 0
How to change angles to 0 to 180
How about just adding 180 to all angles less than 0, so for example -135 becomes +45 degrees. mask = angles < 180; angles(mask...
ein Tag vor | 0
How can I save "alpha" and "beta" parameters as double using fitdist command?
Try this (untested): % Preallocate a and b column vectors. One element for each file. a = zeros(50, 1); b = zeros(50, 1); %...
ein Tag vor | 0
How to hold previous figures when using imagesc?
If you want to paste an opaque copy of the newest image on top of existing images, see my attached copy and paste demo. If you ...
2 Tage vor | 0
Conditional if loop for addition of three consecutive numbers in app designer interface
Try it this way (untested and not using disp): x1 = app.EditField.Value x2 = app.EditField_2.Value x3 = app.EditField_3.Valu...
2 Tage vor | 0
How to set up a check box to review EMG signals?
Learn how to use App Designer and you can do that: MATLAB App Designer
2 Tage vor | 0
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Hi guys, my code doesn't run i couldn't debug this, could you anyone help me?
Put the fuunction definition at the END of your script, not near the beginning. Then you need to CALL IT, passing it all the ar...
2 Tage vor | 0
please help to decode the error using data mining
Add this to the end of your .m file: %=========================================================================================...
3 Tage vor | 0
Requesting a demo code for calculating second-order statistics (contrast, correlation, energy, homogeneity, and entropy) for medical images.
Try graycoprops. I'm also attaching a related GLCM demo and image moments demo. Good luck. help graycoprops
3 Tage vor | 0
Find value at which a line changes its slope
See if my attached piecewise linear fit identifies it correctly for you. If not, then attach your data after reading this: T...
3 Tage vor | 0
Read notepad into a variable
Try textLines = readlines(fileName); If you have any more questions, then attach your text file with the paperclip icon after ...
3 Tage vor | 0
How to shade the area between two lines (constructed by large number of data points)
FAQ: https://matlab.fandom.com/wiki/FAQ#How_do_I_shade_the_region_between_two_curves?
4 Tage vor | 0
Fit gaussian surface on 3D data
That's not 3-D data. That is 2-D data. How about you find the centroid with code I gave you before, then get the average radia...
4 Tage vor | 1
sortrows "not enough input arguments"
x = randi(99, 5, 2) x=sortrows(x,1) Seems to work fine. What did you do differently in the 59 prior lines of code?
4 Tage vor | 0
Error prediction of imregister results
Try using imabsdiff. However if there are black triangles rotated in, you don't want to compare those so you might have to take...
5 Tage vor | 0
my plot is blank?
What does this show in the command window? whos velocitiesB1 whos velocitiesB2 plot(velocitiesB1,velocitiesB2,'b-*'); Please...
5 Tage vor | 0
how this command works"meanGL = mean(blackMaskedImage(binaryImage));". My input image is a HSV image. How it calculates the mean.
Let's just take it one step at a time. See if this helps explain it grayScaleImage = magic(6) binaryImage = grayScaleImage > ...
6 Tage vor | 0