Sabarinathan Vadivelu

KPIT Technologies

Con actividad desde 2012

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

más de 9 años hace | 1

Respondida
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}

más de 10 años hace | 1

Respondida
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...

más de 11 años hace | 0

Pregunta

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 ...

casi 12 años hace | 2 respuestas | 0

2

respuestas

Pregunta

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...

casi 12 años hace | 2 respuestas | 0

2

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Respondida
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(...

casi 12 años hace | 0

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Respondida
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...

casi 12 años hace | 1

Pregunta

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, ...

casi 12 años hace | 2 respuestas | 0

2

respuestas

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

alrededor de 12 años hace | 4

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

alrededor de 12 años hace | 0

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

alrededor de 12 años hace | 0

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

alrededor de 12 años hace | 0

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

alrededor de 12 años hace | 0

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Respondida
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...

más de 12 años hace | 0

Respondida
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')

más de 12 años hace | 0

Respondida
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...

más de 12 años hace | 0

Respondida
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...

más de 12 años hace | 0

Pregunta

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,...

más de 12 años hace | 1 respuesta | 0

1

respuesta

Pregunta

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...

más de 12 años hace | 1 respuesta | 1

1

respuesta

Pregunta

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...

más de 12 años hace | 1 respuesta | 0

1

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

más de 12 años hace | 0

Pregunta

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 ...

más de 12 años hace | 1 respuesta | 0

1

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Pregunta

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...

más de 12 años hace | 3 respuestas | 0

3

respuestas

Pregunta

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 ...

más de 12 años hace | 1 respuesta | 0

1

respuesta

Pregunta

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...

más de 12 años hace | 1 respuesta | 0

1

respuesta

Respondida
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.>

más de 12 años hace | 0

Respondida
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.

más de 12 años hace | 0

Pregunta

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

casi 13 años hace | 4 respuestas | 0

4

respuestas

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

casi 13 años hace | 0

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

casi 13 años hace | 0

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