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Mohammad

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Top Questions
115 votes

What is the physical significance of negative frequencies?

fourier-transform frequency asked Oct 15, 2011 at 19:41
dsp.stackexchange.com

58 votes

How do I exactly project a vector onto a subspace?

linear-algebra matrices signal-processing asked Feb 24, 2012 at 2:47
math.stackexchange.com

44 votes

How do I get different colors for directories, etc. in iTerm2?

macbook terminal iterm asked Apr 28, 2017 at 16:18
apple.stackexchange.com

30 votes

Show training and validation accuracy in TensorFlow using same graph

python machine-learning tensorflow tensorboard asked Oct 20, 2016 at 5:50
stackoverflow.com

30 votes

"Complex sampling" can break Nyquist?

sampling frequency-spectrum asked Nov 20, 2011 at 5:12
dsp.stackexchange.com

29 votes

Human evolution: Where *exactly* did the first human come from, whose parents were not?

human-biology evolution taxonomy asked Aug 24, 2012 at 13:55
biology.stackexchange.com

24 votes

What Is the Walsh Hadamard Transform? How Could One Use It in Image Processing?

image-processing transform asked Mar 12, 2012 at 6:33
dsp.stackexchange.com

22 votes

Examples of Independent and uncorrelated data in real-life, and ways to measure/detect them

cross-correlation independence asked Jan 26, 2012 at 18:12
dsp.stackexchange.com

21 votes

Does using the Goertzel algorithm actually give better frequency resolution?

fft frequency-spectrum resolution asked Mar 9, 2012 at 21:47
dsp.stackexchange.com

20 votes

How do I make a U-matrix?

machine-learning neural-network som self-organizing-maps asked Nov 29, 2012 at 17:48
stackoverflow.com

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Top Answers
73
What is the relationship between independent component analysis and factor analysis?
stats.stackexchange.com

30
How to Extract High Frequency and Low Frequency Component Using Bilateral Filter?
dsp.stackexchange.com

23
Why are Gaussian filters used as low pass filters in image processing?
dsp.stackexchange.com

16
Reading the Wavelet transform plot
dsp.stackexchange.com

14
Time delay estimation of oscilloscope signals using cross correlation
dsp.stackexchange.com

13
Peak detection approach
dsp.stackexchange.com

13
What does the normalization step of the Haar wavelet transform represent?
dsp.stackexchange.com

12
Choosing the length of a signal when calculating the FFT
dsp.stackexchange.com

12
Using continuous verses discrete wavelet transform in digital applications
dsp.stackexchange.com

11
On the time-frequency relationships of median filters
dsp.stackexchange.com

9
Why transforming the data to a high-dimensional feature space in which classes are linearly separable leads to overfitting?
dsp.stackexchange.com

9
Determining the type of filter on an image
dsp.stackexchange.com

9
Simplest way of detecting where audio envelopes start and stop
dsp.stackexchange.com

8
When should the sum of all elements of a gaussian kernel be zero?
dsp.stackexchange.com

8
Why complex numbers are represents as a+ib and can't be as (a,b)?
dsp.stackexchange.com

8
Hilbert transform to compute signal envelope?
dsp.stackexchange.com

7
Why can the FFT always be mirrored in the middle of the x axis?
dsp.stackexchange.com

7
Determining Frequency and Period of a wave
dsp.stackexchange.com

7
Bag of Tricks for Denoising Signals While Maintaining Sharp Transitions
dsp.stackexchange.com

6
What Is the Relationship Between a Kalman Filter and Polynomial Regression?
dsp.stackexchange.com

6
Showing frequency and amplitude after doing an FFT on a signal
dsp.stackexchange.com

6
Why Low Frequency called Approximation and High Frequency Detail?
dsp.stackexchange.com

5
Finding the dominant tone in a signal
dsp.stackexchange.com

5
Books that explain DSP well to those not directly in engineering?
dsp.stackexchange.com

5
Can edge detection be done in the frequency domain?
dsp.stackexchange.com