Steve Eddins - MATLAB Central
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Steve Eddins


Retired, MathWorks

Last seen: Today Aktiv seit 2011

Followers: 16   Following: 4

Retired from MathWorks in 2024 after 30 years of service. Can now be found at MATLAB Central and steveeddins.com. MathWorks career included image processing, toolbox development, MATLAB development and design, development team management, MATLAB design standards, Steve on Image Processing blog (https://blogs.mathworks.com/steve). Co-author of Digital Image Processing Using MATLAB (https://www.imageprocessingplace.com/DIPUM-3E/dipum3e_main_page.htm). French horn enthusiast, member of Concord Orchestra and Melrose Symphony, member of the board of Cormont Music and the Kendall Betts Horn Camp

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Where is the programmable setting corresponding to the Live Editor default view?
The settings UI panel for MATLAB -> Editor/Debugger -> Display includes this control: Where can I find the corresponding pr...

4 Tage vor | 0 Antworten | 2

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Antworten

Beantwortet
Are there any faster alternatives to readlines?
Try this: Read the file using fileread. Convert to string. Call split. Using Walter's idea for a sample text file: filename...

13 Tage vor | 1

| akzeptiert

Gesendet


IMVIEW Image Display Function
The MATLAB function imview displays binary, grayscale, and RGB images. It is intended to replace imshow in most cases.

23 Tage vor | 10 Downloads |

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Image Zoom Level and Pan Utilities
Image zoom level and pan functions

6 Monate vor | 3 Downloads |

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Gesendet


Pixel Grid
The MATLAB function pixelgrid shows the edges of image pixels.

6 Monate vor | 3 Downloads |

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Beantwortet
Vertical blank space in tiledlayout compact
Trying setting TileSpacing to compact or tight. t=tiledlayout(2,2,'Padding','compact','TileSpacing','compact'); Or: t=tiledla...

7 Monate vor | 1

Beantwortet
What is the Image Processing Toolbox Convention for Input to freqz2() ?
The convention for Image Processing Toolbox filter design functions is for the filter to be specified as a correlation kernel. T...

7 Monate vor | 1

| akzeptiert

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FFT Transform Length
Computes optimized transform length for FFT computations

9 Monate vor | 1 Download |

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Initialize a MATLAB Toolbox
Create a basic set of folders and files for a MATLAB toolbox

11 Monate vor | 3 Downloads |

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Beantwortet
Axes in dialog box turn blank after calling imagesc in pushbutton callback
This is a strange one. The primary trigger for the unusual behavior is that the dialog function creates a figure with an empty c...

fast 2 Jahre vor | 2

| akzeptiert

Beantwortet
How to measure the correct circularity??
R2023a Update: Correcting regionprops Circularity Measurements That Are Greater Than 1.0 Image Processing Toolbox R2023a or Lat...

fast 2 Jahre vor | 1

Beantwortet
How to detect circularity more accurately than 4*pi*A/P^2?
R2023a Update: Correcting regionprops Circularity Measurements That Are Greater Than 1.0 Image Processing Toolbox R2023a or Lat...

fast 2 Jahre vor | 3

Beantwortet
regionprops circularity value >1 and 0 ?
R2023a Update: Correcting regionprops Circularity Measurements That Are Greater Than 1.0 Image Processing Toolbox R2023a or Lat...

fast 2 Jahre vor | 2

Gesendet


Color Tools for MATLAB
Color Tools for MATLAB is an experimental collection of MATLAB functions related to color science computation and visualization....

etwa 2 Jahre vor | 21 Downloads |

Gesendet


Code Trace for MATLAB
Code traces for exploring and troubleshooting executing code

mehr als 2 Jahre vor | 2 Downloads |

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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...

mehr als 2 Jahre vor | 0

Beantwortet
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...

mehr als 2 Jahre vor | 4

| akzeptiert

Beantwortet
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.

mehr als 2 Jahre vor | 0

Beantwortet
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...

mehr als 2 Jahre vor | 0

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

mehr als 2 Jahre vor | 0

Beantwortet
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...

mehr als 2 Jahre vor | 1

| akzeptiert

Beantwortet
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...

mehr als 2 Jahre vor | 1

| akzeptiert

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

mehr als 2 Jahre vor | 1

Beantwortet
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...

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
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...

mehr als 2 Jahre vor | 0

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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...

fast 3 Jahre vor | 0

| akzeptiert

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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 ...

fast 3 Jahre vor | 0

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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 ...

fast 3 Jahre vor | 1

| akzeptiert

Beantwortet
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...

fast 3 Jahre vor | 0

| akzeptiert

Beantwortet
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...

fast 3 Jahre vor | 1

| akzeptiert

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