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Questions related from Federico Wadehn
Given a biomedical signal such as an ECG, EEG, continuous blood pressure, pulse oximeter (PPG), ballistocardiogram or any other biomedical time series, researchers (or at least me) want to jump...
21 January 2017 8,547 1 View
In Doppler ultrasonography, be it umbilical artery ultrasound or transcranial Doppler the focus is always on the maximal blood flow velocity, i.e. on the envelope of the spectrogram (see attached...
06 January 2017 7,859 10 View
Hello all, I went through slide 18 of the brain physics lectures http://www.neurosurg.cam.ac.uk/pages/brainphys/18-TCD_Pulsatility_index.pdf and I have a hard time understanding (from a...
18 December 2016 1,187 4 View
I am working on binary segmentation of ultrasound images, i.e. from a noisy (mostly speckle noise, I would say) ultrasound image I want to obtain a black and white image. For finding the global...
22 October 2016 8,054 3 View
Hello all, I have a question regarding the square-root Kalman Filter section of the Wikipedia article about Kalman filters (https://en.wikipedia.org/wiki/Kalman_filter). The text reads as...
30 April 2016 3,911 9 View
I came along quite some papers in the field of biosignal processing which first apply a low-pass or bandpass filter to the recorded signals (to remove high frequency sensor noise, etc.) prior to...
09 April 2016 4,420 2 View
I wanted to compare the performance of a standard Kalman Filter and an Information Filter (propagation of precisions instead of covariances) for a sensor network scenario, i.e. when one has way...
01 April 2016 1,153 6 View
I submitted a publication to an IEEE journal and on the submission site, it was recommended to use the IEEE DataPort https://ieee-dataport.org to make the (biomedical) research data available....
01 January 1970 5,777 1 View
