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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...

environ un mois il y a | 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...

environ un mois il y a | 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.

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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...

environ un mois il y a | 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...

environ un mois il y a | 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...

environ un mois il y a | 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...

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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 ...

environ un mois il y a | 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...

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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...

environ un mois il y a | 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 ...

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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:...

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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...

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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...

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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 ...

environ 2 mois il y a | 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...

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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...

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Plot generating blank graph?
You need to index Im1 and Im6. Otherwise you're just overwriting a single number in your loop and not creating a vector of seve...

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Help with Histogram Plot
Your picture does not show a histogram. A histogram would have counts (frequency of occurrence) on the vertical axis, not the y...

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how to get the envelope of oscillating signal
Did youi look at envelope? help envelope

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How can I filtered the color of the combustion image?
Since the blue and green channels in your camera are sensitive to wavelengths in the 400 - (roughly) 600 nm light wavelengths, y...

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Hi,I tray RUN this code but i get tis error ( below the code)
@B Your index is bigger than 12784, which is the max index m90_plot can take. Put these lines in and tell us what you see in th...

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Plotting a graph based on a large table
Theo, would using imshow or imagesc work? data = readmatrix(filename); imshow(data, []); axis('on', 'image') xlabel('Colu...

2 mois il y a | 0

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Deployed Matlab function with strage errors: functions not found
Christian: See the FAQ: https://matlab.fandom.com/wiki/FAQ#My_standalone_executable_won't_run_on_the_target_computer._What_can_...

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embedding inset plots in subplots matlab
For what it's worth (may help someone in the future) I'm attaching my demos for inserting inset plots and images inside other pl...

2 mois il y a | 0

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Can't bring up matlab
See the FAQ and do exactly what it says to do in there: https://matlab.fandom.com/wiki/FAQ#After_installation,_MATLAB_crashes_o...

2 mois il y a | 0

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enlarge a curved arc with rounded edges, only from the rounded edge
Try bwskel then bwmorph to find the endpoints. Mask off a certain radius from the endpoints then use imdilate to grow them bigg...

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How to segment an Image using threshold and region growing
Here's one possible way. I wrote the attached script to emulate what Adobe Photoshop's Magic Wand tool does. Also there are re...

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Region GRowing image segmentation
Here's one possible way. I wrote the attached script to emulate what Adobe Photoshop's Magic Wand tool does. Also there are re...

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