References
- http://en.wikipedia.org/wiki/Viterbi_algorithm
- http://freesearch.pe.kr/archives/219
- http://freesearch.pe.kr/archives/239
- http://blog.daum.net/jchern/10281139
- Hidden Markov Models (HMM)
- http://blog.daum.net/hazzling/17187054
- http://wiki.devsearch.co.kr/index.php?title=%EB%B9%84%ED%84%B0%EB%B9%84_%EC%95%8C%EA%B3%A0%EB%A6%AC%EC%A6%98