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Nitin


Last seen: 1 year 前 自 2011 起处于活动状态

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已回答
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...

9 years 前 | 0

已回答
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...

9 years 前 | 0

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

10 years 前 | 1

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

10 years 前 | 0

| 已接受

已回答
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 ...

10 years 前 | 0

已回答
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 =...

10 years 前 | 0

已回答
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...

10 years 前 | 0

已回答
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...

10 years 前 | 1

已回答
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/...

10 years 前 | 0

已回答
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...

10 years 前 | 0

已回答
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>

10 years 前 | 0

已回答
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...

10 years 前 | 0

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

10 years 前 | 0

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

10 years 前 | 0

已回答
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...

10 years 前 | 0

已回答
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

10 years 前 | 0

| 已接受

已回答
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...

10 years 前 | 0

| 已接受

已回答
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...

10 years 前 | 0

已回答
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...

10 years 前 | 0

| 已接受

已回答
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')); ...

10 years 前 | 0

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

10 years 前 | 0

已回答
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...

10 years 前 | 0

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

10 years 前 | 0

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

10 years 前 | 0

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

10 years 前 | 1

| 已接受

已回答
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

10 years 前 | 1

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

10 years 前 | 0

已回答
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...

10 years 前 | 0

已回答
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...

10 years 前 | 0

已回答
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...

10 years 前 | 0

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