Re: [Bayes++] "observe" and "observe_innovation" for EKF
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From: Nicola B. <nb...@es...> - 2005-10-24 12:05:08
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Fredrik, thanks for you answer. Glad to see I got a reply, unfortunately this mailing-list seems to be deserted... What are you using Bayes++ for? Sometimes I'd like to share my experiences/doubts with someone else who's using it. Cheers Nicola On Monday 24 Oct 2005 02:00, you wrote: > I believe you're right in your assumptions about "observe" and > "observe_innovation". > > It you look into the sourcecode for EKF (bayesFlt.cpp), you'll discover > that "observe" first calculates the innovation based on the difference > between the actual and predicted measure, and then calls > "observe_innovation" internally. > > regards, > Fredrik Orderud > Ph.D student in Computer Science, NTNU > > ----- Original Message ----- > From: "Nicola Bellotto" <nb...@es...> > To: <bay...@li...> > Sent: Saturday, October 22, 2005 7:24 PM > Subject: [Bayes++] "observe" and "observe_innovation" for EKF > > > I've some doubt about the use of the two funtions "observe" and > > "observe_innovation". From what I've understood, they do the same job > > (correction step), but: > > - "observe" computes internally the innovation from the given real > > measure 'z'; > > - "observe_innovation" needs the innovation 's' to be computed externally > > and > > then passed as argument. > > Is that correct? -- ------------------------------------------ Nicola Bellotto University of Essex Department of Computer Science Wivenhoe Park Colchester CO4 3SQ United Kingdom Room: 1N1.2.8 Tel. +44 (0)1206 874094 E-Mail: nb...@es... URL: http://privatewww.essex.ac.uk/~nbello ------------------------------------------ |