User Sufiyan Ghori

22 votes

3 answers

13k views

How did they color old black and white movies?

asked Jun 15, 2012 at 16:04

16 votes

1 answer

4k views

Why Wavelet developed when we already had Short-time Fourier transform

asked Mar 3, 2013 at 9:16

15 votes

3 answers

14k views

Reading the Wavelet transform plot

asked Feb 20, 2013 at 15:39

11 votes

3 answers

23k views

Why are sidebands generated in AM and FM?

asked May 4, 2012 at 17:37

9 votes

2 answers

10k views

How is it possible to Filter out a person's voice out of 100 of other voices?

asked Oct 25, 2012 at 21:26

8 votes

3 answers

8k views

How is a human whistle a pure sine wave?

asked Nov 24, 2012 at 13:55

8 votes

5 answers

4k views

Why complex numbers are represents as a+ib and can't be as (a,b)?

asked Feb 25, 2013 at 17:57

8 votes

6 answers

67k views

Why Carrier signal can't have frequency less than Message signal

asked May 28, 2012 at 17:38

8 votes

2 answers

32k views

Amplitude of the Signal in Frequency Domain different from Time Domain

asked Sep 27, 2012 at 16:52

8 votes

4 answers

28k views

What are Chunks when recording a voice signal

asked Jan 11, 2014 at 21:33

7 votes

3 answers

9k views

Demonstrating the effect of aliasing

asked May 9, 2012 at 13:58

6 votes

1 answer

10k views

Adding Salt n Pepper noise into an Image manually

asked Aug 30, 2012 at 20:52

6 votes

4 answers

62k views

Difference between Contrast and Intensity of an Image

asked Oct 6, 2012 at 0:32

6 votes

1 answer

2k views

What happens when we Fast Forward the Video

asked Oct 14, 2012 at 9:23

6 votes

3 answers

284 views

Why are the bass components of music more audible than other components?

asked Nov 16, 2012 at 9:36

5 votes

3 answers

4k views

Understanding FFT of an Image

asked Sep 25, 2012 at 15:09

5 votes

2 answers

671 views

Implementing Wavelet Transform using Equations

asked Apr 22, 2013 at 8:50

5 votes

2 answers

1k views

Why Low Frequency called Approximation and High Frequency Detail?

asked Mar 1, 2013 at 16:36

4 votes

4 answers

17k views

What does "frequency" mean for various kinds of signals?

asked Oct 20, 2012 at 21:01

3 votes

2 answers

2k views

Comparing Image FFT with Sine wave FFT

asked Sep 28, 2012 at 12:42

3 votes

3 answers

77k views

time in Sine Wave equation

asked Sep 24, 2012 at 20:03

3 votes

1 answer

10k views

understanding FFT2 function of Matlab

asked Sep 25, 2012 at 12:04

3 votes

1 answer

483 views

What is the role of Freqency in Digital Images [duplicate]

asked Aug 30, 2012 at 15:34

3 votes

1 answer

3k views

Understanding this Haar Wavelet Example

asked Feb 22, 2013 at 14:47

3 votes

1 answer

2k views

Matlab stores all level of Wavelet's Approximation & Details in a single Row

asked Mar 8, 2013 at 14:04

3 votes

2 answers

6k views

CUDA vs FPGA for Image Processing; which is better

asked Mar 31, 2013 at 14:48

2 votes

1 answer

501 views

Is Entropy Coding in Wavelet equivalent to Huffman Coding in DCT

asked Mar 15, 2013 at 10:35

2 votes

1 answer

191 views

Contourlet transform for image compression

asked Mar 19, 2013 at 13:17

2 votes

1 answer

2k views

Harmonics in 2-D FFT Signal

asked Sep 30, 2012 at 0:13

2 votes

1 answer

468 views

What is mean by [1 -1] Filter?

asked Feb 21, 2013 at 17:53

Stack Exchange Network

44 Questions

How did they color old black and white movies?

Why Wavelet developed when we already had Short-time Fourier transform

Reading the Wavelet transform plot

Why are sidebands generated in AM and FM?

How is it possible to Filter out a person's voice out of 100 of other voices?

How is a human whistle a pure sine wave?

Why complex numbers are represents as a+ib and can't be as (a,b)?

Why Carrier signal can't have frequency less than Message signal

Amplitude of the Signal in Frequency Domain different from Time Domain

What are Chunks when recording a voice signal

Demonstrating the effect of aliasing

Adding Salt n Pepper noise into an Image manually

Difference between Contrast and Intensity of an Image

What happens when we Fast Forward the Video

Why are the bass components of music more audible than other components?

Understanding FFT of an Image

Implementing Wavelet Transform using Equations

Why Low Frequency called Approximation and High Frequency Detail?

What does "frequency" mean for various kinds of signals?

Comparing Image FFT with Sine wave FFT

time in Sine Wave equation

understanding FFT2 function of Matlab

What is the role of Freqency in Digital Images [duplicate]

Understanding this Haar Wavelet Example

Matlab stores all level of Wavelet's Approximation & Details in a single Row

CUDA vs FPGA for Image Processing; which is better

Is Entropy Coding in Wavelet equivalent to Huffman Coding in DCT

Contourlet transform for image compression

Harmonics in 2-D FFT Signal

What is mean by [1 -1] Filter?