Around 25 years ago, with the introduction of Hidden Markov Models (HMM) by Lawrence R. Rabiner to stochastically model speech as a time series, the field of speech technologies started its own research and industrial revolution. Until then, the recognition of “what is spoken” was approached using time-warped pattern matching algorithms, which were too computationally […]

During this month NIST (National Institute of Standards and Technology) is organizing a set of evaluations called Trecvid in order to test several technologies related to video processing. The Trecvid evaluations (http://www-nlpir.nist.gov/projects/trecvid/) are long-lived yearly events which started in the 90′s with the Trec evaluations on Text recognition, which focused on the processing of text for […]