Community Profile

photo

Image Analyst


Last seen: Today |  2010 年からアクティブ

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:
Image Data Workflows, Industrial Statistics, Image Processing and Computer Vision

統計

All
  • MATLAB Central Treasure Hunt Finisher
  • Most Accepted 2022
  • Most Accepted 2021
  • Solver
  • Personal Best Downloads Level 5
  • Editor's Pick
  • First Review
  • 5-Star Galaxy Level 5
  • First Submission
  • 36 Month Streak
  • Most Accepted 2014
  • Thankful Level 5

バッジを表示

Content Feed

表示方法

回答済み
What is the difference in inpaintn and inpaint_nans functions?
You should also look at the function regionfill in the Image Processing Toolbox, if you have it. Does essentially the same thin...

約2時間 前 | 0

回答済み
Remove falsely detected foreground (image segmentation)
Go here for better, and published, algorithms: https://www.google.com/search?hl=En&as_sitesearch=www.visionbib.com%2F&bthG=Goog...

約3時間 前 | 0

送信済み


Thermal image - color to temperature
Convert a pseudocolored RGB thermal image from a thermal camera, using the embedded color bar, into a temperature image.

約9時間 前 | ダウンロード 13 件 |

Thumbnail

回答済み
How can I take the rgb value of an image and color correct to an original rgb value?
You forgot to attach your reference image and the image that needs correction. Basically you need to segment the image to find ...

約9時間 前 | 0

回答済み
What causes strange behavior of subtracting?
It's explained pretty well in the FAQ: https://matlab.fandom.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_(or_similar)_not_equal_to_zero...

約10時間 前 | 0

回答済み
How to take Image as Input in a function
For example grayImage = imread('moon.tif'); meanGL = mean2(grayImage) grayImage2 = DarkenImage(grayImage); % Call function m...

1日 前 | 0

回答済み
Why does this give me the "Unable to perform assignment because the left and right sides have a different number of elements." error?
Perhaps make it a cell array: numControls = length(app.components) display_names = cell(numControls, 1); for k = 1 : numContr...

1日 前 | 0

回答済み
Why i cannot get full database?
Maybe it's due to you looking for the wrong extension in the folder. For example, maybe this: addpath('C:\Users\User\Desktop\L...

1日 前 | 0

回答済み
Matlab plots not working
You probably redefined the built-in function "axis" with your own m-file, function, or variable. Don't do that. rename your m-...

1日 前 | 0

| 採用済み

回答済み
why is the lamp changing color?
In Numer_of_zonesEditFieldValueChanged you have app.Lamp.Color='r'; and app.Lamp.Color='green'; so it's quite possible that ...

2日 前 | 0

回答済み
I have a query with regards to matlab app designer
Make a second GUI where you collect your input. Have it return the values separately, or all together as fields of a structure....

3日 前 | 0

回答済み
Hi everyone, how do I fix this issue/>>>>>>Array indices must be positive integers or logical values.
Since this is one of the most common FAQs, see the FAQ for a thorough discussion: https://matlab.fandom.com/wiki/FAQ#.22Subscri...

3日 前 | 0

回答済み
I want to find second and third maxima in a row of a matrix of size 1000*8
Use maxk: m = randi(99, 4, 10) % Sample small matrix. Replace with yours. row = 2; % Whatever row you want. v2 = maxk(m(row,...

3日 前 | 0

| 採用済み

回答済み
How to find the Feret Diameters of a leaf
Did you search the tags for leaf? Because there are lots of questions about analyzing leaves. Here is a solution for a single ...

3日 前 | 0

回答済み
It either tells me "Too many arguments specify one" or "index in position 2exceeds array bounds" for line 9 (plot)
Evidently sim does not produce 3 output arguments. You seem to think it will give you t, x, and y. It does not. help sim Try...

3日 前 | 0

回答済み
Matlab app for non matlab software holders
If you have the compiler toolbox you can compile a standalone executable for them. See the FAQ: https://matlab.fandom.com/wik...

4日 前 | 1

回答済み
How to call sigmoid function inside runge kutte orde 4? Is it possibel?
To call a function from within another function, just call the function by name and pass it the arguments it wants. For example...

4日 前 | 0

| 採用済み

回答済み
Matlab ignores the initial working folder setting
Create a startup.m file and put it in a folder that is at the top of your path. You can then have it cd to whatever folder loca...

4日 前 | 0

回答済み
how to calculate the area of each bin of intersection of a circle and mesh grid?
Try this: % Demo by Image Analyst to separate point sets using the convex hull. clc; % Clear the command window. close all...

4日 前 | 1

| 採用済み

回答済み
Create transparent overlay imagesc for certain values
You can use labeloverlay

5日 前 | 0

回答済み
Deconvolution process of IR spectral data
Did you try conv or deconv or any related functions?

5日 前 | 0

回答済み
How to detect green laser spot with nearly white center
If it worked with a green LED but not the green laser because the green laser dot is more white inside, then just fill the binar...

5日 前 | 1

回答済み
All functions in a script must be closed with an 'end'.
Try this: chisquare = chi2inv(0.95,2); %inverse of the chi-square cumulative distribution function with 2 degrees of freedom at...

5日 前 | 0

回答済み
BEAR Toolbox excel result not showing
Are you absolutely sure you don't already have that file open in Excel when you try to write it out (again)?

6日 前 | 0

回答済み
Turning a double array into a cell array in a big program
Instead of control-F try Control-H and use the Replace All button.

6日 前 | 0

| 採用済み

回答済み
Quantifying red in a recorded video
See attached demo. I track a green Sharpie marker. You can easily adapt it to track something red in the video.

6日 前 | 0

回答済み
I have a matrix with elements both real and complex.I want to find Max value within a column of that matrix ,,ignoring all the complex element in that column.
Try this: v = [1; 2; 3+2i] goodRows = imag(v) == 0 theMax = max(v(goodRows))

6日 前 | 0

回答済み
Unzipping multiple folders to access one compressed file within the folder.
Did you try unzip? Did you see the FAQ: https://matlab.fandom.com/wiki/FAQ#How_can_I_process_a_sequence_of_files?

6日 前 | 0

回答済み
How to load .mat file to base workspace using App Designer?
It's usually not a good idea to load variables into the base workspace. It's best if you just load it into your program as a gl...

6日 前 | 0

回答済み
MATLAB loses track of directories/functions in the middle of a loop
It's hard to guess without any code. Are you sure you're providing the entire complete path to whatever function needs the fold...

6日 前 | 0

さらに読み込む