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STFT Matlab code in the article #25
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Dear @whip123, The article in Nature Computational Science should have all the details about the parameters used for the STFT. Can you show me in which way you cannot match the benchmark results? fastlib |
Dear @fastlib For now, I couldn't normalize my result as shown in the article. Could you tell me how? tic Thank you. |
We normalized every time-frequency matrix to a [0,1] range. As such, the power scale is transformed to an arbitary power unit that allows a fair comparison for the ridge extraction analysis we did subsequently. I hope this answers your question. For completeness I pasted the code below: `function [res,ts,frqs] = stftwrapper(times,tstep,data,fs,f0,f1,tit,fftlength)
return` |
Hi @fastlib Thanks for the code, could you give me all the parameters as well, such as fft length, f0, f1 and times. Furthermore, I would also like to apologize for the mistakes in my previous post, as I found that I posted the wrong spectrogram after applying the code. Below shows the spectrogram I got after applying the code with 500ms Blackman window, and 400ms overlap. Thank you. |
Hi, I am currently trying to replicate the comparison in the article. But I couldn't get the same result as the Benchmark results for synthetic data showed. Could you post the STFT code in the article here? Thanks a @fastlib @lschneiderbauer @felixdollack .
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