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Sabarinathan Vadivelu


KPIT Technologies

Active since 2012

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Answered
pixel by pixel squaring of image?
outImage = zeros(size(inputImage)); for i = 1 : size(inputImage, 1) for j = 1 : size(inputImage, 2) o...

mer än 7 år ago | 1

Answered
Combine two cell array of different dimension
Try this A = {1,2}; B = {3, 5, 6}; C = horzcat(A, B) ans = C = {1 2 3 5 6}

nästan 9 år ago | 1

Answered
Launch a file with a popupmenu without Switch
If it is a script, Just include the file name " |ME_1| " in the editor window. Like this: str = str2double(get(handles.m...

mer än 9 år ago | 0

Question


Find the increasing and decreasing point in array?
I have an array. Which is increasing. At one point it starts decreases. This trend starts repeating many times in array. How ...

ungefär 10 år ago | 2 answers | 0

2

answers

Question


How to smoothen the edges?
In the following Hand Image, How to smooth the edges in the indicated region? <</matlabcentral/answers/uploaded_files/8389/sa...

ungefär 10 år ago | 2 answers | 0

2

answers

Answered
count the number of objects in the eight.tif.
Check this out I = imread('eight.tif'); imshow(I) level = graythresh(I); BW = im2bw(I,level); imshow(...

ungefär 10 år ago | 0

| accepted

Answered
face-recognition code in matlab
If you have MATLAB R2013a, Then you can find the face detector which comes inbuilt with MATLAB. % Create a cascade detector...

ungefär 10 år ago | 1

Question


kmeans Segmentation Clarification for color images
I had segmented the attached image using kmeans. After kmeans color image segmentation, when I had plotted the cluster centers, ...

ungefär 10 år ago | 2 answers | 0

2

answers

Answered
How to count the number of object present in binary image?
You can use |bwconncomp|. cc = bwconncomp(yourBinaryImage,4); number = cc.NumObjects;

mer än 10 år ago | 4

Answered
How to plot the 4th dimension of an array?
Extract the 4th dimension first. fourthDimMatrix = allMatrix(:,:,4) Then try |plot| function

mer än 10 år ago | 0

Answered
how to take a value from matlab workspace
Try |fwrite| <http://www.mathworks.in/help/matlab/ref/serial.fwrite.html fwrite>

mer än 10 år ago | 0

Answered
i have 1000*1000 pixel image.how can i convert it into m*n(400*300) pixel image.
outputImage = imresize(inputImage,[400 300]);

mer än 10 år ago | 0

Answered
find position of the matrix
x(1), x(2) ... x(end), Gives you each every value in the array.

mer än 10 år ago | 0

| accepted

Answered
how to do real image acquisition using webcam?
After Connecting Webcam with your computer, Just type |imaqtool| in your command window. Refresh the Hardware Browser to find yo...

mer än 10 år ago | 0

Answered
Use of the Pop-up menu in a GUI
get(handles.Vt_Callback,'Value') This returns the value. Try using: get(handles.Vt_Callback,'String')

mer än 10 år ago | 0

Answered
To Know the total number of pixels which belongs to one color
I = imread('peppers.png'); RedPlane = I(:,:,1); GreenPlane = I(:,:,2); BluePlane = I(:,:,3); This how you may extr...

mer än 10 år ago | 0

Answered
randomly access a file in matlab
Please specify the type of data you are reading from the current folder in this line. f = dir(['myfolder\*.jpg']); or an...

mer än 10 år ago | 0

Question


Warning in reading data from serial port.
I'm trying to read a single character 'A' from serial port, But it is issuing a warning always. CharVar = fscanf(SerialObj,...

mer än 10 år ago | 1 answer | 0

1

answer

Question


Communication with PIC Microcontroller
I have designed a face recognition system. If the face is recognized, I'm sending a character |'a'| via serial port to microcont...

mer än 10 år ago | 1 answer | 1

1

answer

Question


How to assign classes for group of images in a classifier?
I'm developing a Finger knuckle print biometric system. For that I had extracted SIFT and SURF Features for the image. I am havi...

mer än 10 år ago | 1 answer | 0

1

answer

Answered
How to match features
This |showMatchedFeatures| feature was available only in MATLAB R2013a and not in any lower versions.

nästan 11 år ago | 0

Question


MATLAB R2013a is not installing.
I'm trying to install MATLAB R2013a. I'm getting error while installing. When I invoke the "setup.exe" program in the setup, it ...

nästan 11 år ago | 1 answer | 0

1

answer

Question


Creating a 2-D matrix from a 1-D Array?
Considering that I have an array of |A = [150 11 12 134 130 152]|. How to replicate these elements in this array to get a matri...

nästan 11 år ago | 3 answers | 0

3

answers

Question


How to draw this figure?
I have this figure. I have the color portion. That is they are surface plot that are visible from the top. Also I plotted those ...

nästan 11 år ago | 1 answer | 0

1

answer

Question


How to draw this figure?
I have these figures with the equation also shown. I tried making this. But I did not got the expected result. Please give me so...

nästan 11 år ago | 1 answer | 0

1

answer

Answered
what is the formula used for Approximation quality metrics(measerr)?
I see a formula for the same in MATLAB help. <http://www.mathworks.in/help/wavelet/ref/measerr.html Try this.>

ungefär 11 år ago | 0

Answered
Can GUI files share data?
Yes, You can do. Declare the variables which you need to plot as global. Then you just call the other file. There you can plot.

ungefär 11 år ago | 0

Question


How can I convert MATLAB Code to VHDL Code?
I have a MATLAB Code. Is it possible to convert into VHDL Code?

ungefär 11 år ago | 4 answers | 0

4

answers

Answered
How can i change image file format from .jpg to .tiff?
Use |imwrite| command to write images in the required format.

ungefär 11 år ago | 0

Answered
how can i implement edge detection ?
Refer <http://www.mathworks.in/help/images/ref/edge.html here>. For more details.

ungefär 11 år ago | 0

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