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I'd like to understand the Baum-Welch algorithm. I liked this video on the Forward-Backward algorithm so I'd like a similar one for Baum-Welch.

I'm having trouble coming up with good resources for Baum-Welch. Any ideas?

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    $\begingroup$ Welcome! Maybe it would be better to read the Wikipedia article and the references linked there and then post focused questions about details you don't understand. $\endgroup$ – Raphael May 28 '12 at 23:53
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A simple web search leads to a whole lecture by Christopher Lee. I did not watch it entirely, but it seems to be a slow, thorough take on the algorithm with an example walk-through on paper similar to the video you link (if longer).

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  • $\begingroup$ sweet, i'll check it out, and wait to see if any more responses come in. $\endgroup$ – Walrus the Cat May 29 '12 at 9:35
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Though he doesn't say the name Baum Welch specifically, nor HMM's (until the very end) Jason Eisner does a great job covering Expectation Maximization here:

videolectures.net/hltss2010_eisner_plm/

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    $\begingroup$ Can you please take some time to improve this answer by adding a brief summary of the explanation in the video, possibly highlighting why it's good? Also, if you can provide a little more information for reference (in case the link changes), that would be helpful. Please flag this comment as obsolete when you have implemented these changes. Thanks! $\endgroup$ – Patrick87 Aug 29 '12 at 19:27

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