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行列を計算して，代入をしたいのですが，サイズが異なるためできないといわれてしまいます．教えてください．
If you have any more questions, then attach your data and code to read it in with the paperclip icon after you read this: TUTOR...

1年以上前 | 0

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Finding a pattern in a table and the coordinates of the "first hit"
Another way is to use ismember % Load data from .mat file. S = load('Andrew Table.mat'); t = S.Table; % Extract first column...

1年以上前 | 1

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Slow initialization at startup during the "Ready" step
I don't think it should take over 3 minutes to start MATLAB. On my old, slow, severely memory- limited 8 GB Windows computer, i...

1年以上前 | 0

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Can someone help to teach how i want to upload this file into matlab and try preprocessing ?
See the FAQ for code samples: Process a sequence of files

1年以上前 | 0

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what is subplot and how to use it?
Imagine an N by M array of little graphs on your figure. Those are the rows and columns. The third arg is the number of the plot...

1年以上前 | 19

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Merging uniform boxes into larger ones
How about just using the convex hull? boxGrid= [... 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 ...

1年以上前 | 0

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How to draw spectrum of signal?
Did you try plot()? fm = 1000; % whatever f = [0, 0, fm/2, fm]; X2 = [0, 1, 1, 0]; plot(f, X2, 'r-', 'LineWidth', 4); xlabe...

1年以上前 | 1

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How to get segmented image using k-means clustering ?
I can't follow your code without putting a lot more time into it. There are not enough comments. It looks like you're trying t...

1年以上前 | 0

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I encountered an 'invalid use of operator' error message.
You forgot quotes. Corrected: load(fullfile('E:\charite\Data\EGCG_Round3\MRE\MouseAtlasReg\ProcessedShort\20241024_sl_MRE_Day1...

1年以上前 | 0

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Get the figures that video created
"i'm trying to upload the video" <== where (what site) are you trying to upload your video file to? Is the destination folder a...

1年以上前 | 0

Discussion

Shade between curves
It would be nice to have a function to shade between two curves. This is a common question asked on Answers and there are some ...

1年以上前 | 5

Discussion

My favorite image processing books
My favorite image processing book is The Image Processing Handbook by John Russ. It shows a wide variety of examples of algorit...

1年以上前 | 5

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Warning: Equation is badly conditioned. Remove repeated data points or try centering and scaling.
What if you just scanned your data with movmean to get the local mean, and movstd to get the local standard deviation, and then ...

1年以上前 | 1

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How to save frames to a video?
Please see my attached demo on how to make a movie from figures/axes/frames. Probably the simplest demos is movie_made_from_sur...

1年以上前 | 0

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How can I remove dark background in satellite label
Not sure exactly what function you used to put the text label on, like text or insertText, but look at those functions for an op...

1年以上前 | 0

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How to get multiple function generated plots to generate from a single MATLAB script
To get it to plot in a new figure, you need to call the figure() function. Otherwise it just blasts over the old/existing figur...

1年以上前 | 0

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Color Detection and Tracking Using USB cam
See my attached video tracking demo where I track the movement of a green Sharpie marker.

1年以上前 | 0

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How to calculate spray penetration length and spray cone angle?
It looks pretty easy. The steps would be Threshold the first image and use regionprops to find the centroid of the center spot...

1年以上前 | 2

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Looking accurately for coordinates-based patterns
This seem similar to crystallography. What I'd do is search for "x ray diffraction crystallography pattern analysis" and see wh...

1年以上前 | 0

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Finding the Center of Broken Vase Slices
What I'd do is to call bwboundaries on the binary image to get the coordinates of the perimeter. Do it on the original binary i...

1年以上前 | 0

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Finding the real world (in^2) area of black smears on graph paper.
Here is a crude first cut at it. It's not very robust because you haven't used the suggestions in my other answer to improve th...

1年以上前 | 0

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Finding the real world (in^2) area of black smears on graph paper.
See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpose demo of ...

1年以上前 | 1

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how to crop the image from the green screen
Try this: % Demo by Image Analyst % Initialization steps: clc; % Clear the command window. close all; % Close all figure...

1年以上前 | 0

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Why isn't the hold on feature working? It only shows my last plot.
How did you get "ans"? ans is a reserved keyword that gets changed very frequently, like when you call a function without accep...

1年以上前 | 0

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How can the objects touching the boundary of the ROI polygon in an image be removed in Matlab?
"define a new image boundary to concide with the boundary of the polygon obtained using roipoly" <== To get a binary image mask ...

1年以上前 | 0

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How to do autocorrelation with a given data
I don't have the Econometric Toolbox so I can't use autocorr but I can use the regular xcorr. Maybe this will help you: t = 3:...

1年以上前 | 0

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Hiding a Colored Image Inside Another Colored Image
Hard to say without being able to run it and debug it. If you have any more questions, then attach your images with the papercl...

1年以上前 | 0

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MATLAB Not Working After Update
If you do exactly what it says in the FAQ, you'll get it working, guaranteed. https://matlab.fandom.com/wiki/FAQ#After_installa...

1年以上前 | 0

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How do I add space between any specific word in string
% Original string str = 'double function_name(double name1, float name2, double name3)'; % Use strrep to add spaces before a...

1年以上前 | 0

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Generate K randomly rearranged ECG signals from the extracted beats, where K can be any large integer.
Because each segment may be a different number of samples (elements) you will have to first go through the signal and store the ...

1年以上前 | 1