Susant Kumar Panigrahi

5 Questions 3 Answers 0 Followers

Questions related from Susant Kumar Panigrahi

Why the low frequency components are less affected by noise?

In de-nosing of any signal or image the thresholding is applied on the high frequency or detail coefficient of discrete wavelet transformed (DWT) signal. However it is always assumed that the low...

04 August 2014 2,839 4 View

What is Fast Multipole Method (FMM) ?

For Non-Equally Spaced Fast Fourier Transform ( NUFFT) the FMM is used for the interpolation of a signal. Can anyone suggest any code or tutorial on FMM and it's implementation for signal...

09 June 2014 648 1 View

What is unequally spaced fast fourier transform (USFFT)?

Can anyone please give an example of an unequally spaced signal? If possible please suggest me any paper regarding the understanding of USFFT and its algorithm.

02 May 2014 2,945 5 View

How to measure similarity or dissimilarity between two data set?

How to measure similarity between two data vectors, as like "Correlation coefficient".

07 December 2013 3,554 14 View

How to measure the performance of different Image thresholding techniques without Ground truth ?

Image Thresholding

11 July 2013 2,338 5 View