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Navdeep Sony


Active since 2016

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Dictionary Learning and Sparse Coding doubt
I am trying to implement this paper "Blood Vessel Enhancement via multi dictionary and sparse coding". You can find the paper at...

7 years ago | 0 answers | 0

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Question


Orthogonal Matching Pursuit algorithm implementation problem
I am trying to implement orthogonal Matching Pursuit algorithm. The algorithm can be found here. <https://in.mathworks.com/he...

7 years ago | 0 answers | 0

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answers

Question


How can I make my matlab code fast?
I have tried to find the dot product of two matrices but the code takes approximately 12 minutes to compute which is huge amount...

7 years ago | 0 answers | 0

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answers

Question


How to reduce large Computational time
Please find the code attached below. Also please find three .mat files that have been attached. The problem is that the code tak...

7 years ago | 2 answers | 0

2

answers

Question


Can we rotate sobel operator and still get the same results for gradient image
I have a *5*5* image and I applied *imgradient()* on it and got the directions(just focussing on directions). I also tried to ca...

9 years ago | 1 answer | 0

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answer

Question


Can we see the code of a function?
I want to see how imgradient() function works. Can I see its code by any means?

9 years ago | 1 answer | 0

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Question


Gradient direction mismatch in values
Please refer to the complete question at the following link http://stackoverflow.com/questions/35238047/gradient-of-an-image

9 years ago | 0 answers | 0

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answers

Question


How can we generate an image with equal number of intensity values?
For example we have an image that has 5 pixels with intensity 100, 5 with intensity 50, 5 with intensity 200 and so on.

9 years ago | 1 answer | 0

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answer

Question


Setting the position of an image in a figure
I have three images in the figure as shown below. 1. I want to display these three images at the center of the figure. How ca...

9 years ago | 1 answer | 1

1

answer

Question


distribution of excess pixels
I am trying to manually equalize the image using standard histogram equalization algorithm in which I am mapping the pixels to 4...

9 years ago | 1 answer | 0

1

answer