Signal Processing
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Wandering Logic's user avatar
Wandering Logic's user avatar
Wandering Logic
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23 Answers

Score Activity Newest
21 votes
Accepted

Centering zero frequency for Discrete Fourier Transform

10 votes

Why are Gaussian filters used as low pass filters in image processing?

10 votes
Accepted

Mathematically Inclined Signal and Systems / Signal Processing Book Recommendations

9 votes

Which IIR filters approximate a Gaussian filter?

8 votes

Why are there only a few high frequency components in the Discrete Cosine Transform?

8 votes

Difference between jpg compression and mp3 compression

6 votes

Is interpolation (interp1) better than FIR filtering when rational integers are close to 1?

6 votes

Use Butterworth and Chebychev filters

6 votes
Accepted

Negative values from High Pass filtering

5 votes
Accepted

Canny non-max suppression intro

4 votes
Accepted

Why use a gaussian low pass filter, when we can convolve with gaussian kernel

4 votes

Determining the mean of of a sampled signal (improvements to time averaging method)

4 votes

IIR filter parallelization

4 votes
Accepted

Smoothing "font characters" outlines in bitmap image

3 votes

Even after applying a low pass filter, why is there a DC offset?

2 votes

Tracking object that is missing in some frames

2 votes

Anisotropic Diffusion Outputs

2 votes
Accepted

Influence of image size to edge detection in OpenCV

2 votes

Image processing free open source libraries

2 votes
Accepted

Rotating a 3D image

1 vote

Frequency Components of an FFT

1 vote
Accepted

Complexity: Number of MAC operations on a DSP

1 vote
Accepted

How do I convert a filter from Spatial to Fourier domain?