Miquel Ferrarons

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In this paper we propose a fast and memory efficient Dynamic Time Warping (MES-DTW) algorithm for the task of Query-byExample Spoken Term Detection (QbE-STD). The proposed algorithm is based on the subsequence-DTW (S-DTW) algorithm, which allows the search for small query sequences of feature vectors within a much longer reference sequence by considering(More)
We introduce a Query-by-Example (QbE) application for smart-phone devices that implements a recently proposed memory-efficient dynamic programming algorithm [1] for the task of keyword search. The application compares acoustic keywords with the audio input from the microphone and reacts to detected keywords with actions in the phone. These keywords are(More)
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