Answered
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 months 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.

3 months ago | 0

Answered
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...

3 months 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...

3 months ago | 0

Answered
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 ...

3 months ago | 0

Answered
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...

3 months ago | 0

| accepted

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...

3 months ago | 0

Answered
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...

3 months ago | 0

Answered
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.

3 months 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.

3 months ago | 0

Answered
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 ...

3 months ago | 0

| accepted

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.

3 months ago | 1

Answered
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?

3 months ago | 0

| accepted

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...

3 months ago | 1

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

3 months ago | 0

Answered
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 months ago | 0

Answered
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 months ago | 0

| accepted

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 months ago | 0

Answered
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 months ago | 1

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

3 months ago | 0

Answered
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 months ago | 0

Answered
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 months ago | 0

Answered
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 months ago | 0

Answered
Roots of a 4th degree polynomial and plotting a graph
Not for some arbitrary k, unless there is something in the symbolic toolbox you can use. Otherwise put k in with the other coef...

3 months ago | 0

Answered
how to plot the time series of the image intensity (greyscale values) at points P1, P2, and P3. where p1=2260,3190 ; p2= 1930,1397; p3= 1580,1937 ?
Read in a frame from your camera or video file. Then for each frame, just do color1 = rgbImage(row1, column1, :) color2 = rgb...

3 months ago | 0

Answered
How can I track the depth and angle of a needle in a box using computer vision?
I only see the needle at only one position. But I'd do something like this Crop out sub image at the known level of the tube. ...

3 months ago | 1

| accepted

Answered
How to find depth map image by using a single image......?????
See papers on the topic here: http://www.visionbib.com/bibliography/contentsshapefrom.html#3-D%20Shape%20from%20X%20--%20Shadin...

3 months ago | 0

Answered
How to run standalone application from the folder where it is located?
It sounds like you've discovered that the directory of the app that actually runs is not the same as your executable that you de...

3 months ago | 0

| accepted

Answered
Fitting dot plot using diffierent functions
What is a "dot plot"? To fit a polynomial you can use polyfit. See attached demos.

3 months ago | 1

Answered
How to display x and y axis to an image in app designer
Did you try the axis function after you called imshow? axis('on', 'image'); Under the image processing options/preferences you...

3 months ago | 0

| accepted