In this paper the real time implementation of a dynamic time warping based isolated word recognizer on the general purpose, cellular Array Processor (CAP) chip ACIIM will be described. In this implementation a single CAP performs both the preprocessing and the DTW computations. The front-end is based on a parallel filter banck. The DTW computation proceeds on a diagonal basis, where each diagonal is computed by the array of 16 processors contained in the CAP. The time needed for a diagonal computation is 10.5 us. With a pipelined structure in the reference templates, more than 800 DTW computations can be computed in 600 ms assuming an average word duration of 0.8 seconds.
Large vocabulary isolated words recognizer on a cellular array processor
MUMOLO, ENZO;
1989-01-01
Abstract
In this paper the real time implementation of a dynamic time warping based isolated word recognizer on the general purpose, cellular Array Processor (CAP) chip ACIIM will be described. In this implementation a single CAP performs both the preprocessing and the DTW computations. The front-end is based on a parallel filter banck. The DTW computation proceeds on a diagonal basis, where each diagonal is computed by the array of 16 processors contained in the CAP. The time needed for a diagonal computation is 10.5 us. With a pipelined structure in the reference templates, more than 800 DTW computations can be computed in 600 ms assuming an average word duration of 0.8 seconds.Pubblicazioni consigliate
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