Community Profile

photo

Steve Eddins

Last seen: Today Active since 2006

Statistics

All
  • 6 Month Streak
  • Knowledgeable Level 4
  • Leader
  • Speed Demon
  • GitHub Submissions Level 3
  • Personal Best Downloads Level 3
  • Community Group Solver
  • Computational Geometry I Master
  • Promoter
  • Famous
  • Introduction to MATLAB Master
  • Indexing V Master

View badges

Content Feed

Answered
How to remove thin lines from the following image?
Try using the 3rd output of imfindcircles (metric) to distinguish the bigger droplets that aren't really circles.

environ 14 heures ago | 0

Submitted


Code Trace for MATLAB
Print a brief note to the command window whenever a specific line of code is executed. Useful for code exploration or debugging....

6 jours ago | 10 downloads |

Thumbnail

Answered
Convert RAW file (NEF) to CIELab
You could use the Image Processing Toolbox function raw2rgb to convert your raw NEF to sRGB values, and then you could use the r...

15 jours ago | 0

Answered
How can I change a square wave into a sign wave with the graph provided?
Try removing the call to the sign function.

15 jours ago | 0

Answered
label two objects that share part of the same boundary separately
m = [0,1,1,1,0;1,0,0,0,1;0,1,1,1,0;0,1,0,1,0;0,0,1,0,0] Fill the holes. From your example, it looks like the background connect...

2 mois ago | 1

| accepted

Answered
Extracting bright spots on image
Try something like the following: Convert to grayscale (using rgb2gray). Use imextendedmax to pick out the bright peaks. You'l...

3 mois ago | 1

| accepted

Answered
Saving to .mat without additional struct.
Try this: s = load("test2.mat"); aircraftdata = s.test;

3 mois ago | 1

Answered
Find consecutive numbers below threshold using bwlabel
You could a hysteresis thresholding technique. First, threshold with a strict threshold, like your 0.5. Then, threshold with a s...

4 mois ago | 0

| accepted

Answered
3D Plot shrinks one dimension when plotting Alphashape
The plot method for alphaShapes sets the data aspect ratio to [1 1 1]. When your code arrives at line 76, the data aspect ratio...

4 mois ago | 0

Answered
Use Geographic Plots in tiledlayout without multiple axis
From the doc for nexttile: "nexttile creates an axes object and places it into the next empty tile of the tiled chart layout tha...

5 mois ago | 0

| accepted

Answered
Is this another bug in imread(), or is this just a forum problem?
I can reproduce the problem in MATLAB Answers. The problem does not occur in MATLAB Online or in the desktop version. I'll let ...

6 mois ago | 0

Answered
How to use "imregister" with "InitialTransformation"?
The value of InitialTransformation is supposed to be an affine3d object, not an imref3d object. See the doc description for the ...

6 mois ago | 1

| accepted

Answered
WebREAD returns zeors when reading a GIF image
I got an array of zeros once using your code, but later I ran it again and got the expected image data. I quit MATLAB and launch...

7 mois ago | 0

| accepted

Answered
imwarp function - bands during interpolation
First, let me run Arnaud's reproduction code and display the result so that everyone can see what we are talking about. Im1 = r...

7 mois ago | 1

| accepted

Answered
Check for missing argument or incorrect argument data type in call to function 'head' - using Matlab R2020a
The function head is only defined for an input that is a table, a timetable, or a tall array. When trying to execute your code,...

7 mois ago | 1

| accepted

Answered
Getting imaginary numbers for induction factors; I am getting imaginary number for my induction fact Aa and At but I am not using any sqrt to calculte. Thank you.
The acos function returns complex values if the inputs are outside the interval [-1,1]. Set a breakpoint on the line where you a...

7 mois ago | 0

Answered
Filling one type of holes in a binary image
Based on your description of what you're trying to do, I ask the question: how are the semi-rectangular grains, which you want t...

8 mois ago | 1

| accepted

Answered
How to remove extrapolated regions of a grid created with scatteredInterpolant?
You could try using an alpha shape to postprocess (mask) Z. Original code dx = 5; %grid step load('datapoints.mat'); F = s...

8 mois ago | 1

| accepted

Answered
How to create a filling/shading between prediction bounds?
I can't completely run your code (s and Asiiimodel are missing), but I think that the black color in your patch result is from t...

8 mois ago | 1

| accepted

Answered
FFT function is not functioning.
It seems that you may have tried to install MATLAB on a cloud drive (OneDrive). Or maybe you copied the application files into O...

8 mois ago | 0

Answered
How do I transform this format 202007011030 (2020 07 01 10:30) into a readabel format?
I can imagine several ways to do this. Here is one. lines = readlines("Fehmarn_Wind_date.txt"); readlines was introduced in R2...

9 mois ago | 0

Answered
ROI Trace boundaries result
I think some careful coordinate system tweaks will get you there. In many Image Processing Toolbox functions, pixels are treated...

9 mois ago | 2

Answered
How is the 2D filter function used in this code?
For each element in A, filter2 essentially "slides" the filter F so that its center lines up with the element in A, and then it ...

9 mois ago | 1

| accepted

Answered
Changing color of pixels around certain pixels
Suppose mask is a logical matrix that indicates which pixels satisfy your condition. (That seems to be the purpose of idx in you...

9 mois ago | 2

| accepted

Answered
Colorbar range inconsistent in high aspect ratio images
Call axis image before you create the colorbar and set its tick labels. When you set tick labels manually, a mode is set so that...

9 mois ago | 0

| accepted

Answered
Can a MATLAB function edit the input?
You'll need your class to subclass handle. See the documentation page "Implementing Linked Lists with Classes" for details.

environ un an ago | 0

| accepted

Answered
Matlab working very slow on my m1 MacBook Pro
See this answer and follow it for updates related to this problem.

environ un an ago | 2

Answered
Shouldn't bwconvhull() be idempotent?
Hi Matt, At a general level - and speaking from too much personal experience - expectations about geometrical operations such a...

plus d'un an ago | 2

| accepted

Answered
Issue in plotting binary image boundaries with real axis values
The function bwboundaries returns boundary values in pixel coordinates. You'll need to scale those to world coordinates yourself...

plus d'un an ago | 0

| accepted

Answered
How to change boundary width in Active Contour Method?
Call visboundaries with an output argument. That output argument will be an hggroup object containing two lines. You can then ma...

plus d'un an ago | 0

| accepted

Load more