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Nitin


Last seen: bijna 2 jaar ago |  Active since 2011

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Answered
Indexing to subtract sections of an array
Suppose you have 20 elements: Reshape to 4 rows and 5 columns X = reshape(1:20,5,4)'; % Substract rows Y = bsxfun(@m...

meer dan 10 jaar ago | 0

Answered
how to separate objects in binary image?
Your should check regionprops and <http://www.mathworks.com.au/help/images/morphology-fundamentals-dilation-and-erosion.html mor...

meer dan 10 jaar ago | 0

Answered
Problem with vision.VideoFileReader
Try running this code using the shaky_car video inbuilt in Matlab and see if it works: videoFReader = vision.VideoFileReader(...

meer dan 10 jaar ago | 1

Answered
manipulating cells in array.
% One of the many solutions t = ismember(A,'0') A(t)=[];

meer dan 10 jaar ago | 0

| accepted

Answered
second derivative of an image
There is a nice explanation on image derivative <http://www.swarthmore.edu/NatSci/mzucker1/e27/filter-slides.pdf here> . Please ...

meer dan 10 jaar ago | 0

Answered
how can i differentiate between images
% test image Img = zeros(20, 20); Img(5:15,5:15)=1; % Find if '255' intensity pixels exist in the image temp =...

meer dan 10 jaar ago | 0

Answered
how to get black & white pixels count from grayscale image...???
black corresponds to zeros in your image and white corresponds to ones if your image is double format. I_double = im2double...

meer dan 10 jaar ago | 0

Answered
how to calculate the diameter of a vessel
I would start by first experimenting with <http://www.mathworks.com.au/help/images/ref/regionprops.html regionprops> function in...

meer dan 10 jaar ago | 1

Answered
Left of a string
If you are accessing a cell array, you should use curly braces. Check out the examples <http://www.mathworks.com.au/help/matlab/...

bijna 11 jaar ago | 0

Answered
how to avoid index out of bounds error
I tried running your programme using the Matlab built-in image, blobs.png and received the following error: *Attempted to ac...

bijna 11 jaar ago | 0

Answered
making of a gui
I would suggest you learn the basics of making a GUI <http://www.mathworks.com.au/help/matlab/gui-building-basics.html here>

bijna 11 jaar ago | 0

Answered
Increasing filter size of edge detector
There is a nice <http://stackoverflow.com/questions/9567882/sobel-filter-kernel-of-large-size thread> on stackoverflow which mig...

bijna 11 jaar ago | 0

Answered
Crack Matlab Executable file?
Have a look a <http://www.mathworks.com.au/help/matlab/ref/pcode.html pcode> .

bijna 11 jaar ago | 0

Answered
convert inf value to integer value
Download the powermod function <http://www.mathworks.com.au/matlabcentral/fileexchange/22725-variable-precision-integer-arithmet...

bijna 11 jaar ago | 0

Answered
Create an Array with a Counter?
Why not use an array and save the elapsed time using tic and toc? There is a nice example <http://stackoverflow.com/questions...

bijna 11 jaar ago | 0

Answered
How can I find pixel coordinates of a perimeter in a binary image?
Assuming your image is a binary one: [a,b]= find(I==1); % get the coordinates

bijna 11 jaar ago | 0

| accepted

Answered
Hi, i want to know dt how to get 0's and 1's from a binary image?
I = imread('img.bmp'); I_bin = im2bw(I); % find the '0's in the image: a = find(I_bin==0); % find the '1's in the imag...

bijna 11 jaar ago | 0

| accepted

Answered
How can I remove only the horizontal lines from the image preserving any arbitrary drawing over it
Did you check <http://www.mathworks.com.au/company/newsletters/articles/applying-modern-pde-techniques-to-digital-image-restorat...

bijna 11 jaar ago | 0

Answered
Iris Recognition Project.
Please check out libour masek iris code, both the thesis and the matlab code can be found <http://www.csse.uwa.edu.au/~pk/studen...

bijna 11 jaar ago | 0

| accepted

Answered
Given x and y coordinates of any point in an image, how to know if it is black or white
By the intensity value you get at that point. For example, if your image is double: I = im2double(imread('img.bmp')); ...

bijna 11 jaar ago | 0

Answered
Motion detection in video
You could estimate the motion from one frame to another using <http://www.mathworks.com.au/matlabcentral/fileexchange/8761-block...

bijna 11 jaar ago | 0

Answered
how to find mean absolute difference between two blocks of different images???
You can find a nice implementation of the above <http://www.mathworks.com.au/matlabcentral/fileexchange/8761-block-matching-algo...

bijna 11 jaar ago | 0

Answered
Skeletonisation of an image
<http://www.mathworks.com/matlabcentral/fileexchange/27543-skeletonization-using-voronoi This> should get you started

bijna 11 jaar ago | 0

Answered
Multiple loop doesn´t work with right values
You might need to initialize your cells first before saving to it. a = cell(1, num);

bijna 11 jaar ago | 0

Answered
display mean and max of images....
mean_img = mean(Img(:)); max_img = max(Img(:));

bijna 11 jaar ago | 1

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Answered
how to detect angle of an image
You might need a reference image / coordinates for the correct position and compare the difference between the two of them

bijna 11 jaar ago | 1

Answered
how to calculate delay between two operations?
Will tic and toc do the <http://www.mathworks.com.au/help/matlab/ref/tic.html trick> ?

bijna 11 jaar ago | 0

Answered
Loading and Saving a video
You can find lots of information and examples <http://www.mathworks.com.au/help/matlab/ref/videoreaderclass.html here.> This...

bijna 11 jaar ago | 0

Answered
tile-based image registration
You might find it useful to estimate the srt transformation using surf. Have a look at the examples on this <http://www.mathwork...

bijna 11 jaar ago | 0

Answered
find the pupil location of eye by dividing it into 8x8 region
The pupil region has a lower intensity than the rest of the image except for eyelashes. I would suggest you use an appropria...

bijna 11 jaar ago | 0

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