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What would cause Matlab to lose track of gcf()?
Don't do it like that: gcf().something. Assign something to gcf, like g: g = gcf; % No parentheses after gcf. I think a figur...

3 months 前 | 1

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How do I change the output color when using the disp function?
See this File Exchange entry by @Yair Altman https://www.mathworks.com/matlabcentral/fileexchange/24093-cprintf-display-formatt...

3 months 前 | 0

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Assigning features to the matrix based on windowing
Why not just tack on the condition and device as the last two rows in your loop? feature{4}(k) = data(k, 2); feature{5}(k) = ...

3 months 前 | 0

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How to determine the midline in brain images.
Hard for us to say, don't you think, without seeing an image? What is the midline? Is it just the geometric midline as determi...

3 months 前 | 0

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Segment connected regions in binary image
See these links: Watershed transform question from tech support » Watershed transform question from tech support Marker-Contro...

3 months 前 | 0

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I need help please to obtain histogram clonocolour values of TIF type photos. I can do this separately but i am struggling to do this with multiple images at a time.
Rather than try to figure out how many cells are there, I'd just simply compute the area fraction of purple. It will correlate ...

3 months 前 | 0

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how to divide a color image into multiple binary codes
Not sure what you mean by binary codes. Please explain. How is that different than just a simple tile of the image you extract...

3 months 前 | 0

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problemas con reconocer licencia
Do exactly what it says to do in the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation,_MATLAB_crashes_or_gives_an_erro...

3 months 前 | 0

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How to plot temperature along a defined line within a 2D temperature field
I know you already got an answer that you've accepted but I just thought I'd mention improfile. It can give you a profile of va...

3 months 前 | 0

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Open and read unique spectrum file .spc
If youi're dealing with Spectroscopy, you really need to get GSTools library. It has functions to read SPC file(s), and other u...

3 months 前 | 0

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the username and password?
Ask your professor how to do it, or another student who has done it successfully. If that doesn't work, see the FAQ: https://m...

3 months 前 | 0

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I need to innovatively produce a 140x8 matrix filled with random grades from 140 students
Not sure what qualifies as "innovative" but how about making a matrix of all prime numbers, rescaled? % Get a list of 8*140 pri...

3 months 前 | 0

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Projection of satellite image
Try the Registration Estimator app on the Apps tab of the tool ribbon. I haven't used it but with most or all apps, you can exp...

3 months 前 | 0

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MATLAB Plots *.tif According to Light
This is what I got so far: % Initialization steps. clc; % Clear the command window. close all; % Close all figures (excep...

3 months 前 | 1

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choose random places on matrix
Simply use randperm and linear indexing. No need to figure out or convert locations to (row, column) indexes (that's a waste of...

3 months 前 | 0

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Working in Excel with live on MATLAB
You can interact with Excel "live" if you are using Windows and use ActiveX. I attach a demo for that, ExcelDemo. You can stop...

3 months 前 | 0

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Force saved figure to use a specific number of pixels
"I am saving different maps" <== What, like a road map, or an image with different colormaps? "I save my image" ...with "... ex...

3 months 前 | 0

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MATLAB Plots *.tif According to Light
In your 3D-ish rendering, where exactly are the shadows? And the yellow spots? Can you point to them with arrows or something?...

3 months 前 | 0

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Need help to removing motion (breathing?) artifact from ECG signal
I'm sure it's been done before. Rather than me just guessing, I suggest you search the medical literature in PubMed to find art...

3 months 前 | 0

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How to give Gray color histogram gray shade instead of blue
Try using the 'FaceColor' input of histogram. % Create sample data. data = rand(1, 1000); % Define custom color. grayColor ...

3 months 前 | 0

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How to change Fontcolor xticks and yticks
Here is a demo that shows you how to change just about everything on a plot: % Demo to make a black graph with red Y axis, gree...

3 months 前 | 0

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How to hide console messages for a matlab executable in batch mode
Not sure what things are showing up but if you don't want any then make sure you have semicolons after every line, and don't use...

3 months 前 | 0

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Pattern recognition in Robot Vacuum Map
See if this might help: https://www.mathworks.com/help/vision/ug/abandoned-object-detection.html?s_tid=srchtitle_site_search_1_...

3 months 前 | 0

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LCD defect detection using matlab
Yes, MATLAB is a great tool for developing image processing apps. It's easy to program in and has a great library of functions ...

3 months 前 | 0

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unknown parameters in Radon transform example
"The page you were looking for does not exist. Use the search box or browse topics below to find the page you were looking for."...

3 months 前 | 0

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How to do film dosimetry?
You can use imsplit to separate an RGB image into individual component images in one line of code: % Separate RGB image into in...

3 months 前 | 0

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Draw first principal component line and regression line on the same scatterplot
It looks like you're doing a simple linear fit. I'm not seeing how you're using pca. It sounds like homework and they want you...

3 months 前 | 1

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Trying to understand how imagesc works compared to scatter.
Scatter is an x-y plot where the origin is at the lower left, by convention. And imagesc plots an image (or matrix) where the o...

3 months 前 | 1

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Trying to understand why my graphs are all flipped
Maybe try axis ij or axis xy until the graph is in the orientation you want.

3 months 前 | 0

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How does the regionprops calculate the area or the eccentricity of an object?
Not sure how I missed your question 5 years ago, but anyway I don't think you'd use hough() anymore. You'd use imfindcircles, t...

3 months 前 | 0