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yonatan gerufi


Pebbles interfaces

Con actividad desde 2014

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Professional Interests: image processing, data anaylsis

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Pregunta


matlab crashes when running code on ~600 images
Hi, i want to remove duplicate images from my portable hardDisk (win 7, 64 bit) i have ~ 650 images, and i don't care abo...

más de 8 años hace | 2 respuestas | 0

2

respuestas

Respondida
How to find X and O using Image Processing toolbox?
if the X and O have fixed dimension and shape, is to build a mask for X and mask for O, and run it on the picture.

más de 9 años hace | 0

Respondida
how to add one space to a matrix ?
see in the "file exchange" : <http://www.mathworks.com/matlabcentral/fileexchange/36766-strpad-string-pad-for-matlab STRPAD S...

más de 9 años hace | 0

Respondida
number divided by vector
that's a good question, i believe both needs to be illegal. how do you suggest matlab will understand the command: ...

más de 9 años hace | 0

Respondida
number divided by vector
This is a tricky thing. *a.* the command: 10/ [10,20]' is equal (from matlab point of view) to: [10;0]/ [10;20...

más de 9 años hace | 0

Respondida
odd-even transposition Algorithm
if your array is called "arr", simple code that will do the work is: odd =mod(arr,2); odd_arr = arr.*odd; odd_arr(odd...

más de 9 años hace | 0

Respondida
Subscript indices must either be real positive integers or logicals.
your example is very hard to understand. you should use debug to catch the error. try this method: try your code....

más de 9 años hace | 0

Respondida
Error using * Matrix dimensions must agree. please help.
well, your line: Wu(:,:,j)=Wu(:,:,j)+BF*DBF(j,:)*g2*g2'*DBF'; is totally messed up with dimension. think what dimen...

más de 9 años hace | 1

Respondida
matlab is getting slow when I am trying to read an image using imread() ?
use memory before and after doing: clear all. and see the difference. that's suppose to accelerate your spe...

más de 9 años hace | 0

Pregunta


find specific parameter in multiple m-files
Hi all, I want to find the location of specific parameter in multiple m-files. e.g i have 50 matlab files (*.m), and i ...

más de 9 años hace | 1 respuesta | 3

1

respuesta

Respondida
Preallocating zeros in cell array. and Which one is faster? 3D matrix, cell or structure data?
Hi Masha, first of all, regarding to code execution time see " *profiler* ". it's a matlab feature that analyze the runnin...

más de 9 años hace | 0

Respondida
How to write a function and create 3 nested loop then evaluate an integral?
for 3 dim integral use: integral3

más de 9 años hace | 0

Respondida
Why is MATLAB running slow? 2013a vs 2011a
there are many reason this could happen. any other programs are running? try memory to see how much matlab use, a...

más de 9 años hace | 0

Respondida
learning functions, need help
I highly recommend reading how functions works in Matlab. for your question, this: function [out1,out2] = MyAdder(a,b) ...

más de 9 años hace | 0

Respondida
Can anyone please help me correct the error in this program for generating a binary image from rgb image?
if you have image processing toolbox you can use " _im2bw_ " function.

más de 9 años hace | 0

Respondida
How to identify a specific location within a matrix based on a value
possible solution: % construct random binary matrix a=round(rand(5,10)); % find first minimal value: [value,po...

más de 9 años hace | 0

| aceptada

Respondida
how to see the script of step(ha,fc,ang) function?
as far as i know, you can't access Matlab functions except the functions in your toolbox. those access can be viewed with ...

más de 9 años hace | 0

Respondida
find values of indexes
hopfully this will answer your question, The functions min & max give you back: [value, position] you can use it to ...

más de 9 años hace | 0

Respondida
Convert an RGB image to grayscale but keep one color?
Hi, there are several ways to do it, i find it easy to do: red_color = A(:,:,1); green_color = A(:,:,2); blue_c...

más de 9 años hace | 0

Respondida
Standard deviation: error because variable is of type double
Hi Anna, you can use std2(matrix) mean2(matrix) functions instead. your code did work for me, v = randn(...

más de 9 años hace | 0

| aceptada

Respondida
How can i make sure that using imfindcircles will result in non-overlap circles?
Hi Asnida, Use "Circles overlap remover" function (see on file exchange <http://www.mathworks.com/matlabcentral/fileexchange/42...

más de 9 años hace | 0

Respondida
How to extract the value pixel values from an image or masked image?
Hi Dhanya, you can access to a specific pixel by typing : _figure_name(x_pos,y_pos)_ . In the MATLAB workspace, most im...

más de 9 años hace | 0

Resuelto


Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

más de 9 años hace

Resuelto


Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

más de 9 años hace

Resuelto


Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

más de 9 años hace

Resuelto


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

más de 9 años hace

Resuelto


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

más de 9 años hace

Resuelto


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

más de 9 años hace

Resuelto


Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

más de 9 años hace

Resuelto


Add two numbers
Given a and b, return the sum a+b in c.

más de 9 años hace

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