Risposto

how to remove spot from an image.?

You should look for the extreme values of the intensities. The dark regions of the image are not as dark as the circle, so find ...

how to remove spot from an image.?

You should look for the extreme values of the intensities. The dark regions of the image are not as dark as the circle, so find ...

oltre 2 anni fa | 0

Risposto

Multiple contour plots with one colorbar

Hello I think you have asked a similar question, or at least the answer is similar and it is to use the handles of each element...

Multiple contour plots with one colorbar

Hello I think you have asked a similar question, or at least the answer is similar and it is to use the handles of each element...

oltre 2 anni fa | 1

| accettato

Risposto

Segmentatio of ecg signal

Hello As mentioned previously, it is not possible to answer without more knowledge of the case itself. But I can point you to t...

Segmentatio of ecg signal

Hello As mentioned previously, it is not possible to answer without more knowledge of the case itself. But I can point you to t...

oltre 2 anni fa | 0

Risposto

Fixing the appropriate threshold level to binarize a droplet image where the droplet area is found to vary with the threshold

Dear Anjan There is no exact way to decide the threshold. To illustrate this, I have taken a profile line to illustrate the i...

Fixing the appropriate threshold level to binarize a droplet image where the droplet area is found to vary with the threshold

Dear Anjan There is no exact way to decide the threshold. To illustrate this, I have taken a profile line to illustrate the i...

oltre 2 anni fa | 0

Risposto

How can I change data directly from the plot ?

To complement what Mehmed has just posted. It would be even easier if when you first create your figure, you save in handles all...

How can I change data directly from the plot ?

To complement what Mehmed has just posted. It would be even easier if when you first create your figure, you save in handles all...

oltre 2 anni fa | 2

Risposto

How can i find the fundamental frequency of the signal using the autocorrelation function?

Have you considered using the Fourier Transform to convert from time domain to Frequency domain? There you can find the highest ...

How can i find the fundamental frequency of the signal using the autocorrelation function?

Have you considered using the Fourier Transform to convert from time domain to Frequency domain? There you can find the highest ...

oltre 2 anni fa | 1

Risposto

Not enough input arguments. Help?

Your problem may be that you are calling your function without the required input parameters your function requires one paramete...

Not enough input arguments. Help?

Your problem may be that you are calling your function without the required input parameters your function requires one paramete...

oltre 2 anni fa | 0

Risposto

Why am I getting Nan values?

Hello There are several issues, but primarily about the way you use your code. 1) The code as it is is very long and convol...

Why am I getting Nan values?

Hello There are several issues, but primarily about the way you use your code. 1) The code as it is is very long and convol...

oltre 2 anni fa | 0

Risposto

Need help with string counting

Perhaps the error is here: if strfind(str,'A') dydis = dydis + length(A); end You are detecting...

Need help with string counting

Perhaps the error is here: if strfind(str,'A') dydis = dydis + length(A); end You are detecting...

circa 3 anni fa | 1

Risposto

Doubt in MATLAB coding.

This is a bit hard to solve without knowing more of the problem. What I would do is to break down the problem and analyse each s...

Doubt in MATLAB coding.

This is a bit hard to solve without knowing more of the problem. What I would do is to break down the problem and analyse each s...

circa 3 anni fa | 0

Risposto

How can I extract features about image texture?

Hello The basic concept of texture is that you will transform your image, which has a certain texture, to a different space, wh...

How can I extract features about image texture?

Hello The basic concept of texture is that you will transform your image, which has a certain texture, to a different space, wh...

circa 3 anni fa | 2

Risposto

what is a method for segmentation texture?

Hello The basic concept of texture is that you will transform your image, which has a certain texture, to a different space, wh...

what is a method for segmentation texture?

Hello The basic concept of texture is that you will transform your image, which has a certain texture, to a different space, wh...

circa 3 anni fa | 0

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Risposto

Create empty rows in a cell, based in a condition

Hello I do not know why there should be rows that are skipped, unless you are copying and pasting and something goes wrong. I h...

Create empty rows in a cell, based in a condition

Hello I do not know why there should be rows that are skipped, unless you are copying and pasting and something goes wrong. I h...

circa 3 anni fa | 0

Risposto

Reference to non-existent field 'a'.

This error is arising from trying to read a field from a structure, when the field is not existing for example >> example.a = 1...

Reference to non-existent field 'a'.

This error is arising from trying to read a field from a structure, when the field is not existing for example >> example.a = 1...

circa 3 anni fa | 0

Risposto

How to perform morphological reconstruction by dilation?

Dilation is rather simple, but perhaps there are more steps to what you want: f9_dil = imdilate(f9,strel('diamond',3));

How to perform morphological reconstruction by dilation?

Dilation is rather simple, but perhaps there are more steps to what you want: f9_dil = imdilate(f9,strel('diamond',3));

circa 3 anni fa | 0

Risposto

How to perform morphological reconstruction by dilation?

Dear Krishna I have seen several of your questions, I think that you would greatly benefit if you would study some Matlab and...

How to perform morphological reconstruction by dilation?

Dear Krishna I have seen several of your questions, I think that you would greatly benefit if you would study some Matlab and...

circa 3 anni fa | 0

Risposto

How to extract features from candidates?

First you need to label your objects with bwlabel, e.g. labelled_image = bwlabel (original_image); that will return your same ...

How to extract features from candidates?

First you need to label your objects with bwlabel, e.g. labelled_image = bwlabel (original_image); that will return your same ...

circa 3 anni fa | 0

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Risposto

finding length of scale bar from matrix form of image

As said before, not too difficult if you know what you need. Here is the code % Read the image imageWithScaleBar = imread('/...

finding length of scale bar from matrix form of image

As said before, not too difficult if you know what you need. Here is the code % Read the image imageWithScaleBar = imread('/...

circa 3 anni fa | 0

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Risposto

finding length of scale bar from matrix form of image

This should be easy by thresholding for the levels expected (black will be low in the three RGB channels, but not necessarily 0)...

finding length of scale bar from matrix form of image

This should be easy by thresholding for the levels expected (black will be low in the three RGB channels, but not necessarily 0)...

circa 3 anni fa | 0

Risposto

unsers texture feature extraction

I would suggest that before using Unser's techniques (Where Unser is a person, Michael Unser http://bigwww.epfl.ch/unser/) try c...

unsers texture feature extraction

I would suggest that before using Unser's techniques (Where Unser is a person, Michael Unser http://bigwww.epfl.ch/unser/) try c...

circa 3 anni fa | 0

Risposto

How to get the hue/saturation of a colourful images?

If you want hue and saturation, then what you need is to transform from RGB to HSV, try rgb2hsv.

How to get the hue/saturation of a colourful images?

If you want hue and saturation, then what you need is to transform from RGB to HSV, try rgb2hsv.

circa 3 anni fa | 0

Risposto

Matlab returns incorrect figure size when using figure with custom toolbar

I would support the idea of doing this through code. What you also do is once you have generated the GUI, grab the handles of th...

Matlab returns incorrect figure size when using figure with custom toolbar

I would support the idea of doing this through code. What you also do is once you have generated the GUI, grab the handles of th...

circa 3 anni fa | 0

Risposto

Problem finding the index?

Hello, you have a very subtle problem, and it is that you do not have a value of 40 in your matrix. If you see the value of loca...

Problem finding the index?

Hello, you have a very subtle problem, and it is that you do not have a value of 40 in your matrix. If you see the value of loca...

circa 3 anni fa | 0

Risposto

Problem finding the index?

Ok, a problem of precision, I will edit the previous answer to have the complete solution

Problem finding the index?

Ok, a problem of precision, I will edit the previous answer to have the complete solution

circa 3 anni fa | 1

Risposto

How to display UNICODE/IPA characters within GUIs and plots?

Hello. This may seem rather simple but it *works*, you can just copy-paste the symbols from a webpage, for instance https://e...

How to display UNICODE/IPA characters within GUIs and plots?

Hello. This may seem rather simple but it *works*, you can just copy-paste the symbols from a webpage, for instance https://e...

circa 3 anni fa | 0

Risposto

Extract specific row from an image and average with a variable number of adjacent rows

Certainly it can be done much easier. Instead of this yth_row=(img(xcol,:)+img(xcol-1,:)+img(xcol+1,:)+img(xcol-2,:)+img(xcol+...

Extract specific row from an image and average with a variable number of adjacent rows

Certainly it can be done much easier. Instead of this yth_row=(img(xcol,:)+img(xcol-1,:)+img(xcol+1,:)+img(xcol-2,:)+img(xcol+...

circa 3 anni fa | 0

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Risposto

how to trace black and white region separately in an binary image

generate 2 images, one at which you threshold for bright values, and one for which you threshold for dark values. Once you have ...

how to trace black and white region separately in an binary image

generate 2 images, one at which you threshold for bright values, and one for which you threshold for dark values. Once you have ...

circa 3 anni fa | 0

| accettato

Risposto

How to detect start points and end points of plateaus in graph plotted from a data set?

There are some uncertainties in your problem: How noisy is the data? Is there variation of intensity within the plateau? Do ...

How to detect start points and end points of plateaus in graph plotted from a data set?

There are some uncertainties in your problem: How noisy is the data? Is there variation of intensity within the plateau? Do ...

circa 3 anni fa | 0

| accettato

Risposto

video convert to PNG but black and white

It may be an issue with data types like double, uint8, etc. Instead of imshow try imagesc and also try imshow(A/max(A(:))); ...

video convert to PNG but black and white

It may be an issue with data types like double, uint8, etc. Instead of imshow try imagesc and also try imshow(A/max(A(:))); ...

circa 3 anni fa | 0

Risposto

PROBLEM IN PLOTTING THE FOURIER SEIRES

The problem you are facing is that your calculations are generating NaNs: >> zt zt = Columns 1 through 3 NaN...

PROBLEM IN PLOTTING THE FOURIER SEIRES

The problem you are facing is that your calculations are generating NaNs: >> zt zt = Columns 1 through 3 NaN...

circa 3 anni fa | 0