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Nitin


Last seen: más de 1 año hace |  Con actividad desde 2011

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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...

casi 10 años hace | 0

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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...

casi 10 años hace | 0

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

alrededor de 10 años hace | 1

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

alrededor de 10 años hace | 0

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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 ...

alrededor de 10 años hace | 0

Respondida
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 =...

alrededor de 10 años hace | 0

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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...

alrededor de 10 años hace | 0

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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...

más de 10 años hace | 1

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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/...

más de 10 años hace | 0

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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...

más de 10 años hace | 0

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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>

más de 10 años hace | 0

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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...

más de 10 años hace | 0

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

más de 10 años hace | 0

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

más de 10 años hace | 0

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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...

más de 10 años hace | 0

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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

más de 10 años hace | 0

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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...

más de 10 años hace | 0

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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...

más de 10 años hace | 0

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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...

más de 10 años hace | 0

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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')); ...

más de 10 años hace | 0

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

más de 10 años hace | 0

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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...

más de 10 años hace | 0

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

más de 10 años hace | 0

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

más de 10 años hace | 0

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

más de 10 años hace | 1

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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

más de 10 años hace | 1

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

más de 10 años hace | 0

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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...

más de 10 años hace | 0

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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...

más de 10 años hace | 0

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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...

más de 10 años hace | 0

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