Image Analyst

Last seen: Today | Actif depuis 2010

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

Programming Languages:
MATLAB, Visual Basic
Spoken Languages:
English
Professional Interests:
Deep Learning with Images, Industrial Statistics, Image Processing and Computer Vision

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A répondu
How to smooth the curve indicated on the image?
You can use a Savitzky-Golay filter, like the attached demo.

35 minutes il y a | 0

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Convolution without convolution function
I have a manual convolution demo. See attached, and use it if you want.

environ 2 heures il y a | 0

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guys i need help it says that it cant identify the handle.app.UIAxes3 being that the app.Axes3 is the name of the current app designer folder im working on plz help
Looks like you forgot you were in AppDesigner and reverted to GUIDE programming. In App Designer you use app, not handles. So ...

environ 2 heures il y a | 0

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Combining rows of each field within a structure
How about this: s = load('Combined_Structure.mat'); m = s.ModOutRstance_interp_x_all; allm = vertcat(m.LHipAngles)

environ 2 heures il y a | 0

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How to insert picture 1 into picture 2?
See attached demos. Maybe one of them will be helpful.

environ 4 heures il y a | 0

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How to create RGB image from multispectral image?
See the attached paper.

environ 4 heures il y a | 0

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I have three RGB values,i want to know color of this RGB values,how can i do this
You could make up an image with only those color values and show it rows = 30; columns = 40; R = 239 * ones(rows, columns, 'u...

environ 5 heures il y a | 0

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How to close boundary of a circular object in binary image
Try this, where mask is your binary image mask = bwconvhull(mask, 'union'); props = regionprops(mask, 'Area', 'EquivDiameter'...

environ 6 heures il y a | 0

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How to count repeated numbers and perform statistic on it?
Try this: A = [ 94.668 -1 94.67 1 94.672 -1 94.674 -1 94.676 0 94.678 1 94.68 -1 ...

environ 6 heures il y a | 0

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I am getting an error in line 4 " myproj('project2.m" how do I fix this?
Try cityTable = readtable('project2enee.m') numCities = height(cityTable); fprintf('Cities to chose from: 1 to %d. Pick a nu...

environ 16 heures il y a | 0

A répondu
fscanf not reading integers
You forgot to attach your text file! But try this t = readtable('food.txt'); integers = t.Food

environ 16 heures il y a | 0

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A répondu
i did as u guys said but this error pops up im sorry for asking alot but i really need help
This is a perfect example of how using short, single letter variable names instead of longer more descriptive filenames can lead...

environ 20 heures il y a | 0

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Looking to plot best-fit with equation on graph
Try this: x = 0 : 5 : 35; y = [ptv_0, ptv_5, ptv_10, ptv_15, ptv_20, ptv_25, ptv_30, ptv_35]; plot(x, y, 'b.', 'MarkerSize', ...

environ 20 heures il y a | 0

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How to find the count of vertical lines in an image using Fourier Transform in MATLAB?
I'd make a mask of the white. Then erase that part of the image. Then I'd sum the image vertically. You should get a signal w...

1 jour il y a | 0

A répondu
How do I stop the loop from overwriting JtD2017?
For some reason you removed all the comments, as I'm sure were in there as all professional programmers put them in. Maybe you ...

1 jour il y a | 0

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I don't know what to do anymore,modeling the equation y=a3x^3 + a2x^2 + a1x +a0
Two points is not enough to fit a cubic. You'd need at least 4 points. If you have 4 x and 4 y then you can do x = sort(10 * ...

1 jour il y a | 0

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A répondu
Cant store values in a for loop becuase index isnt positive or iterative
Use an array to store all the V2 in advance then set V2 inside the loop. Use the iterator to go over all values of V2 and put t...

2 jours il y a | 0

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A répondu
Detecting centre of multiple concentric small circles/ellipses
Try this: clc; % Clear the command window. close all; % Close all figures (except those of imtool.) clear; % Erase all e...

2 jours il y a | 0

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Determining Manual ROI from a graph (not image)
Sure, just use drawrectangle to drag out a box that defines the region you want to include. % Demo to show how drawrectangle ca...

2 jours il y a | 1

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A répondu
How to take the color grade from one image and apply it to another?
Sorry but I don't think Walter's suggestion would work. The best paper I've seen on this is http://www.eyemaginary.com/Portfol...

3 jours il y a | 1

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A répondu
How do I make my circle display in pink and background in white color?
You never assigned numberimages, only numimges which is spelled differently. Try numberimages = 20; % Or whatever you want.

3 jours il y a | 0

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How can I create a bar plot like the following figure in Matlab? Any help? Thank you.
@the cyclist @Walter Roberson has the Mind Reading Toolbox. We may just have to wait for him to answer. @sam saying "Sorry, th...

3 jours il y a | 0

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I want to turn this code into led light instead of red ones
I don't know what this means: "turn this code into led light instead of red ones". You can't turn code into a light. The light...

3 jours il y a | 1

A répondu
Finding centroid of a specific object (running dog) in an image instead of centroids for many objects in the image
See my attached demo where I track a green Sharpie marker in a video.

3 jours il y a | 0

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A répondu
Find the best model for my fitting
"Best" is sometime subjective, unless you have some ground truth that you can compare your predictions again. If you do have so...

3 jours il y a | 1

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A répondu
How do I user error check letters except "yes" or "no"?
Try this: buttonText = 'Yes'; titleBarCaption = 'Continue?'; promptMessage = sprintf('Do you want to run the program again?')...

3 jours il y a | 0

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Unable to perform assignment because the left and right sides have a different number of elements.
4001 is different than 4100. you might need to do this: h=0.01; tlim=40; t=0:h:tlim; numElements = numel(t) F0=20; wf=3; ...

3 jours il y a | 0

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Vectorization or Looping?
You forgot to attach your table. No one is going to type all that in when you could just give it to us in a .mat or text file. ...

3 jours il y a | 1

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A répondu
How do I find the distance from 2 cameras to an object?
https://www.mathworks.com/help/vision/ref/cameracalibrator-app.html

3 jours il y a | 0

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How to recover jpg or RAW images?
No. If they're both all zeros, then the data is not there. You can attach them here if you want to see what we can do with the...

4 jours il y a | 0

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