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Results tagged with filter-design
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user 390
Fiter design is the process of designing a filter.
0
votes
1
answer
279
views
What is the name of the following 1st order high-pass IIR filter?
What is the name/family behind the following high-pass IIR filter:
$
T = 1/f_s \\
f_c = 5 \\
c_1 = \displaystyle \frac{1}{1 + \tan(\pi f_cT)}\\
c_2 = \displaystyle \frac{1 - \tan(\pi f_cT)}{1 + \tan( …
- 287
1
vote
1
answer
4k
views
How to normalize predesigned IIR filter coefficients to have unity gain?
There is a low pass filter with difference equation already provided.
$$
y_n = (x_n - 2x_{n-6} + x_{n-12}) - (-2y_{n-1} + y_{n-2})
$$
$$
a_0 = 1, a_1 = -2, a_2 = 1
$$
$$
b_0 = 1, b_6 = -2, b_{12} = …
- 287
5
votes
1
answer
1k
views
Correlation filter output range normalization
I'm developing correlation filters based image recognition.
I implemented MACE correlation filter in matlab:
training code:
D = diag(mean(abs(X),2));
% inv(A) * B = A \ B
XDX = ctranspose(X) * (D \ …
- 287