The equalization tag has no wiki summary.
2
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2answers
54 views
Conditions for precoding matrix to preserve complex conjugate symmetry on DFT vector
Suppose there is a DFT vector $\mathbf{X}$ with length N, which presents complex conjugate symmetry around its middle point, i.e., $X(1) = X(N-1)^*$, $X(2) = X(N - 2)^*$ and so forth. X(0) and X(N/2) ...
1
vote
0answers
28 views
Why histogram equalization fail in ehnanche images for bimodal hisogram?
I'm on histogram equalization process. I have quite well understood the math but i don't understand why an histogram on bimodal image fails in image enhancment and what tecniques can i use in this ...
0
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0answers
64 views
Local histogram equalization
I want to learn computer vision and so I downloaded image processing slides from my university archive. I'm on histogram equalization. Learning about local histogram equalization points me out to this ...
5
votes
1answer
236 views
importance of using histogram equalization
I'm reading opencv tutorials and I'm diving into histogram equalization. i have looked in wikipedia, there is a nice example that sums up exactly the problem:
original:
equalized:
but for getting ...
0
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1answer
69 views
How best to digitize a noisy phone recording for filtering?
How do I digitize an analog telephone recording and filter it with a Chebyshev filter?
4
votes
1answer
244 views
What methods can be used to remove ringing artifacts in the output of a digital filter?
I'm using digital filters to apply spectral mangling-type special effects to audio.
When using a digital filter (vsts/standalone DSP programs/outboard digital filter, etc.), especially when using ...
8
votes
1answer
217 views
General questions on the CMA equalizer
So I recently implemented a CMA equalizer in MATLAB that uses method of steepest descent to converge to the minimal cost. (Im on an equalizer implementation binge).
My questions are the following:
...
5
votes
1answer
193 views
How exactly to implement the fractional part of a 'fractional equalizer'?
I have written my own LSE equalizer (that works on the bit level), and literature I have read says that 'fractional' based ones are much better. So how exactly does one get 'fractional' bits? Is it as ...
