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How can I display an image with all three color layers but with intensity for blue increased?
image(:,:,3) = round(image(:,:,3) + 255*BX/100

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switch function case{name}
Here is an example from mathworks % x = [12, 64, 24]; plottype = 'pie3'; switch plottype case 'bar' ...

plus de 13 ans il y a | 0

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How to save cell data from workspace?
It is working for me after loading.

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Placing the ouputs of while loop in an array
What is the problem. Start putting them as soon as they are generated. if true index = 0 a(index)=output ...

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multiple number of inputs n
it do works. Just give the input in [2 3 4] brackets.

plus de 13 ans il y a | 1

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How to detect peaks in laser strip
It is not possible due to noise. Although if you just want a line use hough transform to get different lines and then select the...

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fitting of two curves and 6 unknown parameters
Use iteration with each variable keeping others constant. Then change other variables.

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A résolu

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

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reading edf file to workspace
Hi why don't you just use http://www.mathworks.in/matlabcentral/fileexchange/31900-edfread

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How to plot the columns data against the firs column (simulation time) instead of plotting against the serial number?
Hi you can just use it plot(x(:,1),x ,'o')

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I have generated a large dataset. Now I need to draw random samples from it. How can I do this?
For dataset w p = randperm(length(w)); % Reshuffle their order randomly z = w(p(1:N)); % Choose the first N of th...

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Mixture of Gaussian for Foreground object detection
Use segmentation . Once get the background subtract it. Search for expectation maximization and compression based segmentation t...

plus de 13 ans il y a | 0

A résolu

Is my wife right?
Regardless of input, output the string 'yes'.

plus de 13 ans il y a

A résolu

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

plus de 13 ans il y a

A résolu

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

plus de 13 ans il y a

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Finding the numbers of a vector with the same length?
Hi, You can save zero as it is and whenever 1 appears start a counter and count the number of 1s in succession. It is Run le...

plus de 13 ans il y a | 0

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using a nested for loop to walk through two matrix
Use [S(s),T(t)] instead of [s,t]

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A= [2 3 4]; B=[2 3 4]; Output C=[22 33 44]; Merge 2 matrix elements
here it is A= num2str(A) B = num2str(B) C=strcat(A',B') C=str2num(C)

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Question

What are the best practice in mex ?
I have written a code in MEX to check its speed against the fully vectorized m-files. My codes are slower than m-files. My quest...

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Question

How to know the sequence of file in a large project
HI Friends, I have a large project in which t...

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2

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Finding Circles in an Image. Hough Transform, Tao's CircularHough_Grd algorithm, Matlab's infindcircles
Hi Rohan, The intensity of the ball must be near to zero. So Histogram intensity below specific value needed to be taken...

plus de 13 ans il y a | 0

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image to an array
Why do you wanna write an image into an array. Use reshape if you really want.

plus de 13 ans il y a | 0

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writing more than 1 function in a file
Use local functions See the link <http://www.mathworks.in/help/matlab/matlab_prog/local-functions.html?s_tid=doc_12b>

plus de 13 ans il y a | 1

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STANDARD HOUGH TRANSFORM TO DETECT ELLIPSE AND CIRCLES
A simple solution is for say a circle of radius r. Pick up 10000 (any large number ) values between -r and r and feed them in va...

plus de 13 ans il y a | 0

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problem with alternative way to do imcrop
Select the pixels you want say for image I a cropped region will be I = I(1:x,1:y)

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how to write such that in matlab
You have to use lagrange multiplier. You can easily understand it from here <http://en.wikipedia.org/wiki/Lagrange_multiplier> a...

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Connected Neighbourhood / Regional Maxima - Image Processing
Hi Sriram, It won't be. You have to see the entire connected component. Look at 3rd column and 3rd row 13 it is connec...

plus de 13 ans il y a | 0

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If I have to minimize a function with 2 variables (f(x,lamda))and I have a condition on one of these 2 variables(lamda>=0), how can I find this variable (lamda)? thank u
Hi Hiba, You can use an iterative method. Start with lambda. Differentiate your equation with lambda. Change lambda on th...

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Connected Neighbourhood / Regional Maxima - Image Processing
Hi Sriram, 8-Connected neighborhood means the pixels in left,right,up,down,left up, left down,up right and down right. ...

plus de 13 ans il y a | 0

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How to make a reference to multiple subelements of a cell without for loop (to create a plot)
Hi Felix, You have to use cell2mat. It converts your code to matrix. You have knowledge about n so pick up every nth ele...

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