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Bharathwaj


CedinT,UPM, Spain

Active since 2011

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I am currently pursuing a doctoral programme with UPM, Spain and my area of research : Illumination Engineering, Diffuser Design, Non - imaging and Imaging optics.
Professional Interests: signal processing,optics

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Radius of curvature calculation
I have a set of lines/curves ( discontinuous lines) from which i revolve them to get a surface. I need to find the principle cur...

11 years ago | 1 answer | 0

1

answer

Question


Converting an image into three column format
I have an image file of size 1000X1000 array. I need to convert it to a three column format with the first two columns represent...

12 years ago | 1 answer | 0

1

answer

Question


creating two pairs of data which are apart by a certain distance
Any idea as to how to create two sets of coordinates whose eucleadian distance from every other coordinate is greater than a cer...

12 years ago | 3 answers | 0

3

answers

Question


How to find the Union of two 2D arrays of different size
I have two 2D arrays of different sizes: say A - 100X100 B- 150 X125 i need to get the union of these two arrays...

12 years ago | 1 answer | 0

1

answer

Question


How to find the distance between two non-zero (the element is a one) elements in a matrix
I have a matrix with entries as "1" at random places and i need to find (a) find its non-zero neighbours (b) find the euclide...

13 years ago | 1 answer | 0

1

answer

Question


Finding neighbours of an element in a matrix
Suppose that i have an element in a matrix and i need to find its neighbors and the distance of the neighbors... i want to re...

13 years ago | 1 answer | 0

1

answer

Question


Plotting Large arrays
I have a 10000X10000 array. My system has a 3GB RAM. Computations on this array happen fast, but when i try to plot these arrays...

13 years ago | 0 answers | 0

0

answers

Question


Spatial Frequency
Supposing i have a 1-D or 2-D data...how do i get the *spatial frequencies from the FFT expression* ( FFT results in a spectrum ...

13 years ago | 3 answers | 1

3

answers

Question


Placing Blocks of fixed size to random positions in a bigger matrix
How do you place a smaller matrix(block) of fixed size in a bigger matrix at random positions?

13 years ago | 2 answers | 0

2

answers