Image Analyst

Last seen: Today | 自 2010 起处于活动状态

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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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Empty MATLAB plots appearing and unable to rmeove them.
Sounds like some kind of Windows sleep quirk. They won't remain after rebooting the computer. I don't know what went wrong in ...

7 hours 前 | 0

已回答
Different color scale?
You need to use the colormap function to set the colormap for each axes independently. So display one image, set the colormap, ...

7 hours 前 | 0

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Help Browser always asks for the language
Maybe cookies are blocked? Can you set up an exception to allow cookies for the mathworks site? Do you have an ad blocker? Ca...

12 hours 前 | 0

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How to do background subtraction between two images
@Khai your code and the other answer's code here is not correct. You cannot just subtract the pseudocolored images. They MUST ...

2 days 前 | 0

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已回答
readtable error!!! Previously, readtable worked, but suddenly one day it started throwing an error.
Try it this way: [EDIT -- now tested with folder with CSV files in it] % Initialization steps. clc; % Clear the command wi...

2 days 前 | 0

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Identifying Boundary Nodes in a Point Cloud
Maybe use either pdist2 or knnsearch to identify blue points that are closest to red points. In other words, pairs that have mi...

3 days 前 | 0

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I received a message : "We are unable to offer you a trial." Why?
Perhaps you are already running a trial version. Perhaps you are asking for a second one too soon after you asked for the first...

3 days 前 | 0

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Error using .* Array sizes must match.
Add these extra lines and tell us what you see in the command window: whos mNet whos y_max whos I whos Dnet whos Q whos t ...

4 days 前 | 0

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como resolver este en matlab
What do you want to do? Plot it? Integrate it over some area? ¿Qué quieres hacer? ¿Graficarlo? ¿Integrarlo en alguna zona? f...

4 days 前 | 0

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hello Dear!! I'm a new coming in the community I want your help. about coding on MATLAB does the code is correct ? or the using of (&&) is no faire? and how can I correct it? thank you for respond .
The double && is correct. However you don't need to do a logical comparison to true. If it's true, then app.LikeCheckBox.Value...

4 days 前 | 0

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How to remove all NaN and Inf values when calculate the mean?
@Amy You might try interpolating the values, for example: % Create data with good values and inf and nan values. v = [10, nan,...

4 days 前 | 1

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matlab r2024b download problem
With R2024b, which I just downloaded and installed on a Windows computer yesterday, it first downloads a ~230 kb stub program. ...

4 days 前 | 0

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How to remove the background of the images?
MATLAB now has the "Segment Anything Model". See https://www.mathworks.com/help/images/getting-started-with-segment-anything-mo...

5 days 前 | 0

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Script for running all .m files in a large file folder with sub folders.
OK. Good luck with it. You might find the FAQ: helpful: Process a sequence of files To get a list of all m-files in your top ...

7 days 前 | 0

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kinect depth image thresholding
From the RGB image, it looks like it's looking at a flat computer screen. And since that's mostly flat it makes sense that ther...

8 days 前 | 0

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R2024b: documentation installed locally - how can I bookmark help pages?
Can you go to your router settings and assign your computer a static IP address? You should be able to.

8 days 前 | 0

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Need help writing a matlab function.
Replace all your [1, 2, 3; 4, 5, 6] by A. Replace output = hw4_problem1(A) by output = hw4_problem1(A, n) A is a vector, no...

9 days 前 | 0

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Is it possible to make this if statement more concise?
Try % Create three row vectors using linspace, colon operator, and [list] V1 = linspace(2,53,84); V2 = 1:2.3:48; V3 = [1, 42...

9 days 前 | 1

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Calculating Perpendicular Distance Between Detected Edge and Smoothing Function
You could just do a brute force search. Here is untested code. closestDistances = zeros(1, numel(redx)); for k = 1 : numel(re...

11 days 前 | 0

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行列を計算して，代入をしたいのですが，サイズが異なるためできないといわれてしまいます．教えてください．
If you have any more questions, then attach your data and code to read it in with the paperclip icon after you read this: TUTOR...

11 days 前 | 0

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Finding a pattern in a table and the coordinates of the "first hit"
Another way is to use ismember % Load data from .mat file. S = load('Andrew Table.mat'); t = S.Table; % Extract first column...

11 days 前 | 1

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Slow initialization at startup during the "Ready" step
I don't think it should take over 3 minutes to start MATLAB. On my old, slow, severely memory- limited 8 GB Windows computer, i...

11 days 前 | 0

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Can someone help to teach how i want to upload this file into matlab and try preprocessing ?
See the FAQ for code samples: Process a sequence of files

12 days 前 | 0

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what is subplot and how to use it?
Imagine an N by M array of little graphs on your figure. Those are the rows and columns. The third arg is the number of the plot...

12 days 前 | 18

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已回答
Merging uniform boxes into larger ones
How about just using the convex hull? boxGrid= [... 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 ...

13 days 前 | 0

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How to draw spectrum of signal?
Did you try plot()? fm = 1000; % whatever f = [0, 0, fm/2, fm]; X2 = [0, 1, 1, 0]; plot(f, X2, 'r-', 'LineWidth', 4); xlabe...

13 days 前 | 1

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已回答
How to get segmented image using k-means clustering ?
I can't follow your code without putting a lot more time into it. There are not enough comments. It looks like you're trying t...

13 days 前 | 0

已回答
I encountered an 'invalid use of operator' error message.
You forgot quotes. Corrected: load(fullfile('E:\charite\Data\EGCG_Round3\MRE\MouseAtlasReg\ProcessedShort\20241024_sl_MRE_Day1...

14 days 前 | 0

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Get the figures that video created
"i'm trying to upload the video" <== where (what site) are you trying to upload your video file to? Is the destination folder a...

19 days 前 | 0

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Warning: Equation is badly conditioned. Remove repeated data points or try centering and scaling.
What if you just scanned your data with movmean to get the local mean, and movstd to get the local standard deviation, and then ...

20 days 前 | 1

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