Community Profile

photo

yonatan gerufi


Pebbles interfaces

2014년부터 활동

Professional Interests: image processing, data anaylsis

통계

All
  • First Review
  • 3 Month Streak
  • Thankful Level 1
  • Revival Level 1
  • Knowledgeable Level 1
  • First Answer
  • Promoter
  • Solver

배지 보기

Content Feed

보기 기준

질문


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...

8년 초과 전 | 답변 수: 2 | 0

2

답변

답변 있음
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.

9년 초과 전 | 0

답변 있음
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...

9년 초과 전 | 0

답변 있음
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: ...

9년 초과 전 | 0

답변 있음
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...

9년 초과 전 | 0

답변 있음
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...

9년 초과 전 | 0

답변 있음
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....

9년 초과 전 | 0

답변 있음
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...

9년 초과 전 | 1

답변 있음
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...

9년 초과 전 | 0

질문


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 ...

9년 초과 전 | 답변 수: 1 | 3

1

답변

답변 있음
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...

9년 초과 전 | 0

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

9년 초과 전 | 0

답변 있음
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...

9년 초과 전 | 0

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

9년 초과 전 | 0

답변 있음
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.

9년 초과 전 | 0

답변 있음
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...

9년 초과 전 | 0

| 수락됨

답변 있음
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 ...

9년 초과 전 | 0

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

9년 초과 전 | 0

답변 있음
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...

9년 초과 전 | 0

답변 있음
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(...

9년 초과 전 | 0

| 수락됨

답변 있음
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...

9년 초과 전 | 0

답변 있음
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...

9년 초과 전 | 0

질문


using math operation as string in array on an expression
Hi all, i need to do some math operation on elements in certain order, as: 3+4, 3-4, 3*4, 3/4, 3^4 i thought usin...

거의 10년 전 | 답변 수: 1 | 0

1

답변

질문


compiled standalone app that controlling instrument (with visa) dosn't work on other PC's
Hi, i have Matlab R2013b with Test&measurement and compiler toolboxes. My code activates an external instruments via visa, ...

대략 10년 전 | 답변 수: 2 | 0

2

답변