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Niraj


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Active since 2012

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Question


Segment parts of body which appear to be background
Hi, I need to detect and then segment the parts of an insect whose intensities are very close to the background. Could anyone ...

nästan 10 år ago | 0 answers | 0

0

answers

Question


Units of centroid in regionprops
Hi, I calculated the centroid of some of the blobs in my image using centroid property of regionprops. It gave me x and y coord...

mer än 10 år ago | 0 answers | 1

0

answers

Question


Error using get command
Hi, I have made an object named *player* use to access my video files. When I am trying to access its properties using get, it ...

nästan 11 år ago | 1 answer | 0

1

answer

Question


how to define the starting point in gmmdistribution
Hi, I do not want to use the random sample as a starting point in gmmdistribution. Rather i want to define my initial guess. Bu...

ungefär 11 år ago | 2 answers | 0

2

answers

Question


Calculating orientation of ellipse from eigen values and eigen vectors
Hi, I have a covariance matrix and i can compute the eigen values and eigen vectors. but from these information, i am unable to...

ungefär 11 år ago | 1 answer | 1

1

answer

Question


How to display video in guide
Hi, I want to display a video file in gui. I have a my own matlab function to read my video as it is not readable by inbuilt ma...

ungefär 11 år ago | 1 answer | 0

1

answer

Question


Irregular time stamps from web camera
Hi, I am trying to do some real time processing and I need to capture frames from my webcamera at 5fps. My webcamera is Logitec...

mer än 11 år ago | 1 answer | 0

1

answer

Question


how to normalize the image axis
hi, i need to plot a arrow in my image. I know that there is an inbuilt function in matlab called "annotation" which does the j...

nästan 12 år ago | 1 answer | 1

1

answer

Question


how to obtain the id of change in vector
i have a vector say v =[ 0 0 0 0 28 34 0 56 67 0 0 0 69 71 75 89 90 0] I need to find what are the ids where there is c...

nästan 12 år ago | 2 answers | 0

2

answers

Question


Is there a smart way to update the array?
I am trying to update my array.i have an array ids which needs to be updated,whenever there is a new member(which is not present...

nästan 12 år ago | 1 answer | 0

1

answer

Question


unwrap the angle code
Hi, I have a vector of angles which are in the range of -360 to 360. I need to unwrap them. I donot have the wrap and unwrap bu...

ungefär 12 år ago | 1 answer | 0

1

answer

Question


unable to fit Gaussian mixture model
Hi, I am trying to recognise the moving objects in binary image. In each frame i have identified the blobs and also have their ...

ungefär 12 år ago | 1 answer | 0

1

answer

Question


draw ellipse in binary image
Hi, I have a binary image with blobs being segmented. I have used the regionprops function to find the centroid, major axis,mi...

ungefär 12 år ago | 2 answers | 0

2

answers