Excerpt from Matching Patterns in Strings Subject to Multi-Linear Transformations
We mentioned five problems which are considered in this paper. Their formulation is motivated by problems which arise in fields like speech recognition and image processing, where human speech or images are represented as arrays of real numbers; In speech recognition an utterance, in the form of a continuous multidimensional function of time, is converted into a sequence of points in multidimensional space by sampling at regular time intervals.
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