Answered
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...

2 months ago | 0

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Answered
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...

2 months ago | 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...

2 months ago | 0

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

2 months ago | 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...

2 months ago | 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...

2 months ago | 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...

2 months ago | 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...

2 months ago | 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 ...

2 months ago | 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...

2 months ago | 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...

2 months ago | 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 ...

2 months ago | 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:...

2 months ago | 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...

2 months ago | 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...

2 months ago | 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...

2 months ago | 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 ...

2 months ago | 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...

2 months ago | 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...

2 months ago | 0

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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...

2 months ago | 1

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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...

2 months ago | 0

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

2 months ago | 1

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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...

2 months ago | 1

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Answered
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...

3 months ago | 0

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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...

3 months ago | 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_...

3 months ago | 0

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Answered
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...

3 months ago | 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...

3 months ago | 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...

3 months ago | 0

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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...

3 months ago | 0