Portgas Ace

Actif depuis 2012

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Q: How to remove outline circle in this image?
Can you guys suggest possible ways on how to remove the circle outline in this image? Imfindcircles doesnt work for me. Can you ...

environ 11 ans il y a | 2 réponses | 0

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réponses

Question

Help with my code please!
I attached images from one literature i read and what is written there is what i want to do. Can you guys help me correct my cod...

environ 11 ans il y a | 1 réponse | 0

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Question

How do i use imnoise localvar?
I attached an image of what we are working on right now. We have to extract the 'white ones' on them but our problem is that som...

plus de 11 ans il y a | 1 réponse | 0

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Question

How to remove flashlight in an image?
We are using retinal images and these images show flashlight in some parts of it. How can you remove that? It interferes with th...

plus de 11 ans il y a | 1 réponse | 0

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Question

Deleting a part of an RGB image
For example I have a matrix containing the location of an object in an image. How do i delete it in the image so that the new im...

plus de 11 ans il y a | 1 réponse | 0

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Question

Extracting circles in an image.
I've found several codes regarding on how to find circles in an image. We also have edited it in a way that we can extract the c...

plus de 11 ans il y a | 1 réponse | 0

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Question

RGB Channel extraction then recombining RGB channels?
Hi! I have an image of an eye: <</matlabcentral/answers/uploaded_files/16863/origimage.jpg>> So what i want to do is to ex...

plus de 11 ans il y a | 1 réponse | 0

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Question

Question about Color histogram plot
So im trying to modify the code here: http://www.mathworks.com/matlabcentral/fileexchange/20757-drawing-color-histograms-and...

plus de 11 ans il y a | 1 réponse | 0

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Question

Hi! Question about image processing.
So I have here different retinal images and they all have different 'contrast'. What can I do to make these images have the same...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Question

How do i make an addition table?
For a example i have an array that contains numbers. How do i make it in such a way that if i add values, the answer it will get...

presque 12 ans il y a | 1 réponse | 0

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Question

Possible solution to matlab installation problem?
Why does when i install MatlabR2013/R2012b. Installation hangs(PC Lags) at some percentage so i have no choice but to repeat ins...

plus de 12 ans il y a | 1 réponse | 0

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Question

Syntax on GUI calculator
i have this syntax for getting factorial in my calcu. x = get(handles.edit1,'String'); y = str2num(x); z = factorial(...

environ 13 ans il y a | 2 réponses | 0

2

réponses

Question

Question about strings on a matrix.
my matrix looks like this. ' A ' 'B' 'C' 'D' 'E' 'F' 'G' 'H' 'I' how do i remove the ' '?

environ 13 ans il y a | 4 réponses | 0

4

réponses

Question

Find the number of times a number is in an array.
Is there a specific 'find' function wherein i can check how many times a string/number is in an array?

environ 13 ans il y a | 2 réponses | 0

2

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Question

adding a padding to matrix.
for example, i have a vector A = [ which has 43 elements ] if i use reshape (A,9,5) there is an error since i lack 2 eleme...

environ 13 ans il y a | 1 réponse | 0

1

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Question

Question in creating variables.
How do i create variables in each iteration? like x_1 to x_n and then assigning values/arrays to each of them.

environ 13 ans il y a | 1 réponse | 0

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Question

Help with the equation in making groups.
i cant think of a syntax to do this. for example #students : 43 min number of students per group: 2 max number of student...

environ 13 ans il y a | 1 réponse | 0

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Question

Question on Numbering A1 - An?
how do i make the syntax for looping to have an output of A1, A2, A3, A4... A(n)? cant use A(n) since matlab will read it as an ...

environ 13 ans il y a | 2 réponses | 0

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Question

Question about random generator values.
if i input for example B=randperm (43) how can i show an array having 2 or 3 numbers only from the values of randperm(43)...

environ 13 ans il y a | 1 réponse | 0

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Question

Question about random generator?
I need to create a program that will output random groupings taken from names on an excel file(how can i enter the excel file in...

environ 13 ans il y a | 1 réponse | 0

1

réponse

Question

help with decimal,hexa,etc converter.
for example i have a syntax for base 10 to base n. and i also have a syntax of base m to base 10. and then what i was given b...

environ 13 ans il y a | 1 réponse | 0

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réponse

Question

Question about sprintf function.
Here's my syntax: bm= input ('value'); val = 43 ; A = sprintf('%d',val); %if i declare A(1), ans is 4, which...

environ 13 ans il y a | 1 réponse | 0

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Question

Question about arrays to elements.
Sprintf makes an element into an array. is there an inverse function to this? for example array [ 2 3 4 5 6] = 23456 it shou...

environ 13 ans il y a | 3 réponses | 0

3

réponses

Question

Question about infinite looping
Is there a way where the matlab automatically stops after some time if it cant solved an equation? for example if im finding a v...

plus de 13 ans il y a | 2 réponses | 0

2

réponses

Question

Question about fractional values.
Is there a way where i can separate a whole number from a fraction for example (5/3), is there a way to make it (5)(1/3)?

plus de 13 ans il y a | 1 réponse | 0

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Réponse apportée
Question about variable in a vector.
@Jan Simon, sorry about that. wont do it again. :(

plus de 13 ans il y a | 0

Question

Question about making a function file with vectors and variables
Question deleted by James. Partially restored by Matt Fig: a part of my program has syntax that looks like this, ...

plus de 13 ans il y a | 4 réponses | 0

4

réponses

Question

Question about variable in a vector.
a part of my program has syntax that looks like this, btw, my goal is to display an error message if i inserted a non-integer va...

plus de 13 ans il y a | 2 réponses | 0

2

réponses

Question

Questions about Fractions and integers?
James deleted this, so I (Matt Fig) and rewriting it from memory. How can I make a way to distinguish between integers and ...

plus de 13 ans il y a | 3 réponses | 0

3

réponses

Réponse apportée
Question about making a function file with vectors and variables
a part of my program has syntax that looks like this, for n=1:1:A1 if (Z(n)<3 | Z(n)>9 | Z(n)~=Z(n)) disp('One or more...

plus de 13 ans il y a | 0