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Color Tools for MATLAB
Color Tools for MATLAB is an experimental collection of MATLAB functions related to color science computation and visualization....
12 Tage vor | 11 Downloads |
Gesendet
Code Trace for MATLAB
Code traces for exploring and troubleshooting executing code
4 Monate vor | 3 Downloads |

What is the easiest way to plot a circle annotation that maintains its shape regardless of figure dimensions?
You can position a circle with the center specified in axes data space by plotting a single point using a circle marker. You can...
4 Monate vor | 0
Saving figure in jpg with 600 dpi
The function exportgraphics generates and saves the image at the specified resolution, but it does not write resolution info int...
4 Monate vor | 3
| akzeptiert
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.
4 Monate vor | 0
Veröffentlicht
Code Trace for MATLAB
Today's post departs from image processing, my usual subject. Instead, I want to tell you about something that I just put up...
4 Monate vor

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Puzzle Pieces and Polyshapes
color segmentation, opening by reconstruction, boundary tracing, polyshapesEarlier this summer, Cleve sent me this picture...
5 Monate vor

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...
5 Monate vor | 0
How can I change a square wave into a sign wave with the graph provided?
Try removing the call to the sign function.
5 Monate vor | 0
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...
6 Monate vor | 1
| akzeptiert
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How to use IMSPLIT to split a color image into component images
Today I want to show you a handy little function, imsplit, for splitting color images into their components.Also, for no...
7 Monate vor

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...
7 Monate vor | 1
| akzeptiert
Saving to .mat without additional struct.
Try this: s = load("test2.mat"); aircraftdata = s.test;
7 Monate vor | 1
Veröffentlicht
Find all the highest pixel values using ismember
Today's post shows how to use ismember to conveniently locate all of the highest pixel values in an image. For example, in...
8 Monate vor

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...
8 Monate vor | 0
| akzeptiert
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...
8 Monate vor | 0
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...
9 Monate vor | 0
| akzeptiert
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More experiments with sRGB gamut boundary in L*a*b* space
I'm still playing around with RGB gamut calculations in $ L^* a^* b^* $ space. (See my last post on this topic, "Visualizing...
9 Monate vor

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 ...
10 Monate vor | 0
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 ...
11 Monate vor | 1
| akzeptiert
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Puzzles About GIF DelayTime
[TLDR: To create a fast GIF animation using imwrite, use a DelayTime of 0.02 instead of 0.]In my 28-Feb-2022 post, I showed...
11 Monate vor

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Loren Shure and the Art (and History) of MATLAB
The one and only Loren Shure has just announced her retirement from MathWorks. I met Loren in early 1993 at the...
11 Monate vor

Veröffentlicht
R2022a
It's March, and you know what that means --- that's right, the "a" release is here!On most work days, I use several...
11 Monate vor

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...
11 Monate vor | 0
| akzeptiert
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...
11 Monate vor | 1
| akzeptiert
Veröffentlicht
A Short Game of Life
I have written here, as well as in Digital Image Processing Using MATLAB, about using image processing operations to...
12 Monate vor

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,...
12 Monate vor | 1
| akzeptiert
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...
12 Monate vor | 0
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...
etwa ein Jahr vor | 1
| akzeptiert
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...
etwa ein Jahr vor | 1
| akzeptiert