Questions tagged [preprocessing]
Preprocessing is a relative term that usually refers to simpler operations applied to improve the operation of a more complex algorithm.
6
questions
19
votes
1
answer
5k
views
What are the proper pre-processing steps to perform Independent Component Analysis?
What are the proper steps for preprocessing my waveforms in order to perform an independent component analysis (ICA) later? I understand the how, though further explanation of that doesn't hurt, but I'...
10
votes
4
answers
7k
views
How to perform a Rubberband-Correction on spectroscopic data?
I basicaly understood how the Rubberband/Baseline-correction works.
The given spectrum is divided into (N) ranges.
The lowest points in every range are determined.
The initial baseline is built out ...
7
votes
1
answer
1k
views
What segmentation methods can be used for simple images?
As related to the project I am currently involved in, I have come to realize that one thing that might help is for me to 'segment' my image. To that end, I have shown a very simple example below.
...
1
vote
0
answers
176
views
How to detect offset that changes along time in a signal?
I have an issue that has to do with detrending a signal. First, it seems my signals behaves a little unusual (for me, I think). Some signals starts with a quite large offset, then it seems to ...
0
votes
1
answer
285
views
Help with automated baseline removal
This is more of a conceptual question, so apologies in advance if this is not the correct forum for such questions.
I am trying to find a repeatable and consistent method for removing the baseline of ...
0
votes
0
answers
1k
views
Pre-Processing Wi-Fi Channel State Information (CSI) Data
I was successfully able to collect some CSI data using the existing tool(s) on GitHub (https://github.com/StevenMHernandez/ESP32-CSI-Tool). The CSI data is a pair of imaginary and real number which ...