The SPL-IT Query by Example Search on Speech system for MediaEval 2014
This document briefly describes the system submitted by the Speech Processing Lab of Instituto de Telecomunicações, pole of Coimbra (SPL-IT) to the Query by Example Search on Speech Task (QUESST) of MediaEval 2014. Our approach is based on merging results of a phoneme recognition system using three different languages. A version of Dynamic Time Warping (DTW) using posteriorgram distances was created to allow finding some of the peculiar search cases of this task. Our primary submission merges two approaches: simple DTW for detecting entire queries and a version where cutting final portions of queries is allowed. The late submission merges 5 approaches that account for all the search possibilities described for the task, though improved results were only observed in the evaluation dataset for type 3 queries.
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Dynamic Time WarpingKeyword SpottingPhoneme RecognitionSimilar Papers 제목 키워드 기반
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