Respondida
can someone help with this error please
x1 has 41 elements while x2 has 45 elements, so how can you subtract them?

alrededor de 3 años hace | 0

Respondida
How to classify image in standard alone application ?
Are you sure you shipped all the files you were supposed to (like the .exe and the .mat files)? Did you ship a sample image tha...

alrededor de 3 años hace | 1

Respondida
ocr not recognizing some numbers
ocr needs the image of the letters or numbers to be at least 20 pixels high. I don't think yours are. If your digits are alway...

alrededor de 3 años hace | 0

Respondida
Help in creating video for particle trajectory
Try this: % Demo to create a movie file from a quadratic curve plot, and then optionally save it to disk as an avi video file. ...

alrededor de 3 años hace | 0

Respondida
Referenced White Balance of an image
This is the best algorithm I've run across: Mark Grundland Color Histogram Specification by Histogram Warping Sorry, I don't h...

alrededor de 3 años hace | 0

Respondida
Function for visualisation of raw data -Ovarian cancer
Try this: load('OvarianCancer.mat') plot(X, '-'); grid on; Do you want to make a model of it? Do you have any ground truth ...

alrededor de 3 años hace | 0

Respondida
Help in creating video for particle trajectory
See attached demo where I make a movie of a graph that changes over time. Adapt as needed.

alrededor de 3 años hace | 0

Respondida
I have the following signal with some peaks and some valleys. Is it possible to make the baseline zero?
How about you threshold to extract everything between 0 and -0.5? Then fit a line to it and subtract it from the original signa...

alrededor de 3 años hace | 0

Respondida
Finding an Object with multiple labels in another image
What do you know about that trashman? Do you know it's always in the lower left? What do you know about the other images? Wil...

alrededor de 3 años hace | 0

Respondida
fill a matrix within a loop
Here's what I get, after adding comments and clarifying the variable names.: fileName = 'resh_matr_mat_fil_non_bool.mat'; load...

alrededor de 3 años hace | 0

Respondida
How do I get the a/y axes labels to show correctly?
You're not setting all the labels for those plots, specifically, you're not setting the vertical axis label for the bottom two p...

alrededor de 3 años hace | 0

| aceptada

Respondida
Coordinates of markers in picture
Use regionprops to find the centroid. Then use bwboundaries to find the coordinates of the boundary of the square. Find the di...

alrededor de 3 años hace | 0

Respondida
image processing questions. i have been coding all night and i dont know if some one could help me with this last code please
See attached blockproc demos. Adapt as needed.

alrededor de 3 años hace | 0

Respondida
How do I find unique points in an array in a certain context?
Try this: time = [ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19]'; x_coord = [ 1 1 1 rand(1,6) 1 1 1 rand(1,5) 1 1]'; y_co...

alrededor de 3 años hace | 0

| aceptada

Respondida
How to find the closest rows (positions/entities) in two mby3 matrixes?
Try this. Adapt as needed: % Create sample data. xyz1 = rand(4, 3); xyz2 = rand(4, 3) + 1.5; plot3(xyz1(:, 1), xyz1(:, 2), ...

alrededor de 3 años hace | 0

Respondida
Difficulty in understanding Dynamic time warping plots
The x axis is in elements or indexes. If you want it in millseconds you have to create an x vector and use it in plot x1 = lin...

alrededor de 3 años hace | 0

Respondida
Why do I get a 0s list with just the first value is correct?
You didn't look at the size. Try s = numel(X) or s = size(X, 2)

alrededor de 3 años hace | 0

Respondida
How to deseasonalize this temperature record?
If you have the Signal Processing Toolbox, I'd use a Savitzky-Golay filter, sgolayfilt, with a third order polynomial and a wind...

alrededor de 3 años hace | 0

| aceptada

Respondida
Moving standard Deviation and Average
If you want to slide the 15 element window along an element at a time, use movmean and movstd. If you want to move in "jumps" ...

alrededor de 3 años hace | 0

| aceptada

Respondida
A faster and more compact way to create a list of distances among all the pairs of points
Try pdist2 % Input (x and y coordinates of 6 points) x = [1 2 2 3 4 5]; y = [1 2 3 7 2 5]; xy = [x(:), y(:)] % Get distance...

alrededor de 3 años hace | 1

Respondida
The cause of the error related to statistical functions when using EEGLAB
I have this problem with Eigenvector's PLS toolbox. There are several functions (skewness, dataset, etc.) that they claim they ...

alrededor de 3 años hace | 1

| aceptada

Respondida
Create a series of variables with names that include numbers
See the FAQ: https://matlab.fandom.com/wiki/FAQ#How_can_I_create_variables_A1,_A2,...,_A10_in_a_loop?

alrededor de 3 años hace | 0

Respondida
How to find curved length of an object inside a channel with reference to channel height?
Why can't you keep your camera still so that your tube is always in the same location instead of being virtually anywhere in the...

alrededor de 3 años hace | 0

| aceptada

Respondida
Error in my code
You can't do this: 51=1; 52=1; 53=1; Fifty one is NOT one, and it makes absolutely no sense to try to send a constant n...

alrededor de 3 años hace | 0

Respondida
Why do I get "Array indices must be positive integers or logical values"
See the FAQ for a thorough discussion: https://matlab.fandom.com/wiki/FAQ#%22Subscript_indices_must_either_be_real_positive_int...

alrededor de 3 años hace | 0

Respondida
object recognition in image
Depends on your images and your target object. For widest range of how things look, you should investigate Deep Learning CNN cl...

alrededor de 3 años hace | 0

Respondida
I am a begginer. I got error saying "Not enough input arguments." etc
Try this: IndexImg = ones(size(InputImg), class(InputImg));

alrededor de 3 años hace | 0

| aceptada

Respondida
the avarage value for a video
See attached demo.

alrededor de 3 años hace | 0

| aceptada

Respondida
How to extract data from variable
What does this show: whos data I need to know what kind of variable it is. It doesn't look like a cell array. It looks more ...

alrededor de 3 años hace | 1

Respondida
Error - Error using im2double
Your code does not use im2double. And you did not post the entire error message (all the red text). I know because the line nu...

alrededor de 3 años hace | 0