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:
Deep Learning with Images, Industrial Statistics, Image Processing and Computer Vision

Statistics

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

バッジを表示

Content Feed

回答済み
Extract RGB values of multiple images
Use imread to get the RGB values of each image for k = 1 : 300 filename = whatever rgbValues = imread(filename); end...

約5時間 前 | 0

回答済み
Problem while creating a stand alone application from appdesigner
You can't include applets in your compiled standalone executable, like the commands workspace, filebrowser, imtool, most of the ...

約5時間 前 | 0

回答済み
I'm having a problem using plot function in a for loop. The plot figure is empty
Use hold on after plot plot(i,x,'*r') hold on

約13時間 前 | 0

| 採用済み

回答済み
How to standardize an array so that the maximum value is 1 and minimum is -1 keeping the zero value as zero?
Try this: A = randi(10, 1, 18) - 5 A(A<0) = -A(A<0) / min(A(A<0)) % FIrst rescale negative numbers to -1 to 0 A(A>0) = A(A>0)...

約22時間 前 | 1

回答済み
Is MinorAxisLength always perpendicular to the MajorAxisLength
You might also be interested in bwferet

1日 前 | 0

回答済み
How to detect cluster of radial lines which are generated from same point ?
Attached code is a start.

1日 前 | 0

回答済み
Matrix is singular to working precision.
FAQ: https://matlab.fandom.com/wiki/FAQ#Does_MATLAB_only_calculate_to_4_significant_digits?

1日 前 | 0

回答済み
Finding a value of one vector based on the nonzero values of another vector
If B is always guaranteed to be 0 or 1, you can do this A = [2 5 1 4]; B = [0 1 0 1]; % B is a double here. A = A(logical(B))...

2日 前 | 0

回答済み
how can I make this vode work?
In this line T_new(i)=T(i,t)+a*((dt/(dr*dr))+(1/r(i))*dt/(dr))*T(i+1,t)-a*(2*(dt/(dr*dr))+(1/r(i))*dt/(dr))*T(i,t)+a*(dt/(dr*dr...

2日 前 | 0

回答済み
how to access rgb spectrum through array
You should really use the Color Thresholder app on the Apps tab of the tool ribbon. Set your thresholds there and then use the ...

2日 前 | 0

回答済み
Why does the software fail to respond when clicking the software icon?
I don't know but doing what it says in the FAQ will probably solve it: https://matlab.fandom.com/wiki/FAQ#After_installation,_M...

2日 前 | 0

| 採用済み

回答済み
Replace the image background
This looks like a homework problem. If you have any questions ask your instructor or read the link below to get started: How d...

2日 前 | 0

回答済み
use xlswrite to paste the content on a specific cell name
No, you can just use "A2" as the range when you use xlswrite or writematrix or writetable. It will write the value that you tel...

2日 前 | 0

回答済み
How to have different threshold for different images?
You can use the interactive thresholding utility in my File Exchange: https://www.mathworks.com/matlabcentral/fileexchange/2937...

2日 前 | 0

回答済み
Selecting multiple ROI in images for processing
To analyze an optical mark test sheet, see attached demo.

3日 前 | 0

回答済み
Unable to perform assignment because the left and right sides have a different number of elements.
Check out the FAQ for a list of common error messages and their resolution: https://matlab.fandom.com/wiki/FAQ#Error_Messages ...

3日 前 | 0

回答済み
Image quality loss when importing?
Good question. The image is an indexed image, not a regular gray scale image. I did this in MATLAB: fileName = 'MRI-brain-tum...

4日 前 | 1

回答済み
divide row and plot it
Try this: data=[1 2 3 1 2 3; 7 8 9 10 11 12] [rows, columns] = size(data); for col = 1 : 3 data1(col, 1) = data(1, col);...

4日 前 | 0

回答済み
How to remove the grey margin from the imshow image
You're probably saving it with exportgraphics or saveas instead of imwrite. Use imwrite instead when you save your image.

4日 前 | 0

回答済み
How to use OCR for charater regocnition on picture of keyboard
ocr does not work well unless the letters are more than 20 pixels high. How high are your pixels? help ocr

4日 前 | 0

回答済み
Error saying ''Dot Indexing is not supported for variables of this type".
@Sowparnika and @Sowparnika R S It doesn't make any sense to have a function to extract contents/variables out of a cell array, ...

4日 前 | 0

回答済み
not sure what this code mean.
Take m and multiply it element-by-element times c. Then multiply by 0.5 and add it in to the original c to get a new c. Now yo...

4日 前 | 2

| 採用済み

回答済み
How can I extract capital words from a string
Try this: s = "a_PSTC_SSSA_MNG_epwcrrauut_A_Extrastuff" words = strsplit(s, '_') for k = 1 : numel(words) thisWord = wor...

4日 前 | 0

回答済み
How to graph ln(x^2)=0.7?
Try this: x = linspace(1, 2, 10000); y = log(x.^2); plot(x, y, 'b-', 'LineWidth', 2) hold on; yline(0.7, 'Color', 'r', 'Lin...

4日 前 | 0

回答済み
whats the error in this code
See fix in your duplicate question: https://www.mathworks.com/matlabcentral/answers/1870837-how-to-fix-these-code-lines-for-app...

4日 前 | 0

回答済み
Issue with importing coloured image into MATLAB
Is your colored image floating point with values outside the range of 0 to 1? If so everything 1 or larger will show up as whit...

4日 前 | 0

回答済み
how to count the number of scatter points in a each sector region of the 6 concentric circles ?
If you have the x and y points then you can get the angle of each point using atand angles = atand(y ./ x) Then you can take t...

5日 前 | 0

回答済み
Identifying piano frequencies via color coding in the frequency domain
Have you tried spectrogram? Have you looked into Blind Source Separation or INdependent Components Analysis? This is...

5日 前 | 0

さらに読み込む