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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...

más de 1 año hace | 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

más de 1 año hace | 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...

más de 1 año hace | 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 ...

más de 1 año hace | 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...

más de 1 año hace | 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...

más de 1 año hace | 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...

más de 1 año hace | 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...

más de 1 año hace | 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 ...

más de 1 año hace | 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...

más de 1 año hace | 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 ...

más de 1 año hace | 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...

más de 1 año hace | 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...

más de 1 año hace | 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...

más de 1 año hace | 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.

más de 1 año hace | 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...

más de 1 año hace | 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...

más de 1 año hace | 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...

más de 1 año hace | 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...

más de 1 año hace | 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 ...

más de 1 año hace | 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...

más de 1 año hace | 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...

más de 1 año hace | 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 ...

más de 1 año hace | 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:...

más de 1 año hace | 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...

más de 1 año hace | 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...

más de 1 año hace | 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...

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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 ...

más de 1 año hace | 1

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C言語のDLLにyolov4の物体検出モデルをロードする方法
Seems like it's saying it doesn't like some of the characters in your path. Your current folder probably has an unsupported cha...

más de 1 año hace | 0

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How to using the color intensity of each fruit, segment the three different fruits.
This looks like a homework problem. If you have any questions ask your instructor or read the link below to get started: How d...

más de 1 año hace | 0