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Connecting branch points using a straight line as dictated by the skeleton
Why? Why do you think you need that? Here's what I'd do: Call bwmorph to find the branchpoints. Loop over each branchpoint an...

24日前 | 0

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how to open excel in side script
If you use Windows you can use ActiveX to open Excel and control anything in Excel. from your MATLAB code directly (no need to i...

26日前 | 0

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Colormap editor window size is huge and cannot be resized bug
I just ran >> colormapeditor in r2024a and the default/initial window size is 538 pixels wide by 507 pixels high (verified by...

26日前 | 0

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How does a MATLAB compiled script represent the command window?
If you compile the program then anything that would be shown in the command window in the MATLAB development environment will be...

27日前 | 0

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Performing convolution - 3 signals are convolving with three corresponding signal ?
The result of a normal, full convolution is the sum of the extents of the two waveforms. You can automatically crop to the leng...

29日前 | 0

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Index in position 2 exceeds array bounds (must not exceed 175).
Why are you taking columns 1 to 350 exactly? What if it has more or less than 350 columns? Your code is not very robust in tha...

30日前 | 1

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How to transfer color and texture of an image to another image?
The best paper on gamut transfer I have see is this one: http://www.eyemaginary.com/Portfolio/ColorHistogramWarp.html Sorry,...

30日前 | 0

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How to enable Nearest Neighbor Classifier
I don't see how your code is doing any KNN classification. Where is the call to knnsearch? Are you sure you have training data...

約1ヶ月前 | 0

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Image Denoising of SEM Image
I'm going to assume you have a binary image that you just pseudocolored to be purple and yellow. (Sorry I don't have time to un...

約1ヶ月前 | 0

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I do not know how to make this work??

約1ヶ月前 | 0

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Segmentation of a tumor in xray
See my attached demo where I do essentially the same thing. One way to get rid of the skull is to call bwlabel and then use ism...

約1ヶ月前 | 0

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Image segmentation for transparent objects in a image
If they're truly all the same color, then you can use the Color Thresholder on the Apps tab of the tool ribbon.

約1ヶ月前 | 0

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How can I calculate the size of an object from a set of photos with no reference point?
If you know the total length of some thing in the image, then you can compute the number of cm per pixel and then you can measur...

約1ヶ月前 | 0

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I want to find the centroid at a specific image
Your segmentation is all messed up. I probably could have fixed it for you if you had attached the original RGB image, but sinc...

約1ヶ月前 | 1

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import txt file in matlab
It looks like just a simple matrix of numbers. Try readmatrix d = readmatrix(Ftable)

約1ヶ月前 | 0

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Highlighted

Ask Me Anything about image analysis or the Mathworks community
Hello, everyone! I’m Mark Hayworth, but you might know me better in the community as Image Analyst. I've been using MATLAB sinc...

約1ヶ月前 | 8

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how to skip lines that start with a certain character while reading a text file
Try this: % Open the file for reading in text mode. fileID = fopen(fullFileName, 'rt'); % Read the first line of the file. t...

約1ヶ月前 | 0

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Image Representation conversion to functional array
I'm not sure what you're starting with and what you want. Are you starting with a PNG image file and you want the coordinates o...

約1ヶ月前 | 0

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Converting Colour RGB into a string with padding and gaps
Use sprintf to make up a custom string with the info you want, then use text to place that string somewhere on your GUI.

約1ヶ月前 | 0

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how to skip lines that start with a certain character while reading a text file
Try readlines to get each line in a cell array. Then loop over all lines skipping the ones that start with #: fprintf('Beginni...

約1ヶ月前 | 0

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Use adjusted with imcontrast tool image
Using the option "Save as" under the File menu in the figure will not save the full sized image. It basically saves a screensho...

約1ヶ月前 | 0

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Tracking motion of particles: using edge detection and blob analysis?
The Computer VIsion Toolbox has some tracking functionality, though I haven't used it.

約1ヶ月前 | 0

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I need help combining two sine waves
How about using cos() instead of sin() and adjusting your ending time: f=1000; n=10; T=1/f; t=(0:T/100:n*T - T/2); s = cos(...

約1ヶ月前 | 0

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make vectors same length using min function
How about x = [2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016]; y = [0, 0.05, 0.1, 0.15, 0.2]; a = [2...

約1ヶ月前 | 0

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Find index of a nearest value
Another solution x = [1 2 3 4 5 6 11 15 21 51 52 54 100 101 151 201 251 301 401]; targetValue = 10; [~, index] = min(abs(x - ...

約1ヶ月前 | 1

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How to detect right triangles from an image and find the three side lengths of each triangle？
See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpose demo of ...

約1ヶ月前 | 0

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warning in serial properties
If you look in the help, it will tell you. Use serialport instead. I figure you can figure out how to change your code as well...

約1ヶ月前 | 0

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Align image to 3d point cloud
You'd have to somehow project your 3-D point cloud onto a 2-D plane so it can be compared to your 3-D image. But then some of t...

約1ヶ月前 | 0

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change the color of curve from blue to any color and make it bold
You can specify the color as a 3 element vector with values between 0 and 1, or use one of the built in colors like 'r': y = ra...

約1ヶ月前 | 1

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what toolbox to include for regression
For these few data points, and for a case like this where the best fit might simply be a line, you can use the build-in polyfit ...

約1ヶ月前 | 1