Answered
How to determine the contact angle of droplet with a cannula in place
Is the cannula always in the same place? Then just mask it out.

2 years ago | 0

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Answered
How to calculate spray cone angle?
First of all, before doing any image processing, you need to get better pictures. There is not enough contrast between your spr...

2 years ago | 2

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What is the filter I can use to get clearer image on hand vein?
I'd try a ridge finding filter, like a Hessian, Frangi, or COSFIRE-B Hessian based Frangi Vesselness filter - File Exchange - M...

2 years ago | 0

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How to get y value?
Try this: Xtarget = 900; % or 3000 yinterp = interp1(FLH_W, avg_SOEC_W, Xtarget)

2 years ago | 0

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how to fix this
You're not returning anything even though you said you would. In other words, you're not assigning "root" even though you are t...

2 years ago | 0

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Answered
Write a script file in MATLAB that calculates the resistance, inductance and capacitance of a double-circuit transmission line.
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 years ago | 0

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spiral analysis and removal of background
You don't need to remove the numbers. Even if you did, a simple fixed, pre-made mask would let you erase them. What you need t...

2 years ago | 0

Answered
Put the separator every thousands
I use the attached function I wrote. Adapt as needed, like change commas to apostrophes if you want.

2 years ago | 0

Discussion

Trick to enlarge a matrix by padding it with zeros.
To enlarge an array with more rows and/or columns, you can set the lower right index to zero. This will pad the matrix with zer...

2 years ago | 8

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Add 3 rows to then end of an existing array
To enlarge an array with more rows and/or columns, you can set the lower right index to zero. This will pad the matrix with zer...

2 years ago | 0

Answered
How text can be converted to speech form?
% Program to do text to speech. Works only with Windows Operating System. % Get user's sentence userPrompt = 'What do you wan...

2 years ago | 0

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how to add cusom properties on current project object
Make a function that opens the project and then adds the additional property that you want. Then call that function instead of ...

2 years ago | 0

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in image processingm how can we find the location of the correlation coefficient maximum for two consecutive frames?
See my attached demos for going through frames of a video. You just need to have a loop that starts at the second frame and com...

2 years ago | 0

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Answered
MATLAB code covers all the necessary licenses.
To find out what toolboxes you have, type ver on the command line. Your code will probably require the Deep Learning Toolbox an...

2 years ago | 0

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which colormap I can chose to draw these figures?
Hard to say without knowing the data values but it looks like a ramp of red and an inverse ramp of blue with white in the middle...

2 years ago | 0

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How can I find the radius of this object, preferably at multiple x,y points for a consistent output?
See the FAQ: How can I fit a circle to a set of XY data or my attached function.

2 years ago | 1

Answered
Hello. Im currently creating a code in Matlab and I am running into this error that I will attach in a screenshot. I am new to Matlab so I am having trouble fixing it.
If you want to clip off the ends, use the 'same' option instead of 'full' in conv.

2 years ago | 0

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Why is an upside down blue image being displayed?
It comes from image. It is using the built in image function instead of your particular image. Do NOT use "image" as the name ...

2 years ago | 0

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Answered
使用guide功能中遇到的问题
For your cdirs line, use fullfile instead of brackets and see if that gets rid of the error.

2 years ago | 1

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Opening "external" files in a compiled Mac program
See the FAQ: https://matlab.fandom.com/wiki/FAQ#Why_can't_my_standalone_compiled_executable_find_my_files?

2 years ago | 0

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Answered
Smooth 2D data in non-regular distribution pattern for colormap-based representation
You could use the convex hull and then use linspace to create more points in between the vertices. But like I said in your othe...

2 years ago | 1

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Specular Reflections Removal in endoscopic image
Try thresholding, then us regionfill Basically (untested): % Get individual color channels: [r, g, b] = imsplit(rgbImage); %...

2 years ago | 0

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Computer vision needle tracking through ballistic gel.
Honestly those some of those pictures are so bad that it will be difficult to accurately find the needle. You'll accomplish you...

3 years ago | 0

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How to get a smooth boundary between clusters?
I doubt you need to smooth the boundary. That would just give you as many coordinates as you had before and most likely more co...

3 years ago | 0

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Answered
An automatic way to change \ with / (windows vs. unix) only for "addpath"?
@Sim the above answers are correct but only partial -- they're incomplete. I understood that you need to do this for lots of fi...

3 years ago | 0

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Why do I get "Array indices must be positive integers or logical values" when I am trying to plot my functions?
See the FAQ: Subscript indices must either be real positive integers or logicals

3 years ago | 1

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Setting legend of a plot
I think you'd have to build it up manually with the plot and text functions.

3 years ago | 0

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Function not plotting on the app version
It should work. If you look in the workspace panel, are there variables listed there? If you have any more questions, then att...

3 years ago | 0

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shade the area between curves
There is a FAQ for this: https://matlab.fandom.com/wiki/FAQ#How_do_I_shade_the_region_between_two_curves?

3 years ago | 0

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How to make function that goes between points
Try readmatrix or readtable to read your data from the Excel file into MATLAB. To fit a smooth curve through the data, if it's ...

3 years ago | 0