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Indoor positioning technique has been attracting more and more attention in recent years. In this paper, we propose a multi-path profile fingerprinting localization system based on software defined radio (SDR) platform. The system initially calibrates the multi-path profile (MP) and received signal strength (RSS) information to construct a fingerprint database. In the online positioning phase, the...
Received signal strength (RSS) based fingerprinting localization technique has been researched widely for the indoor location based services (LBSs) in recent years. However, the accuracy performance suffers from the time-varying characteristic of RSS due to the multi-path and shadow effect. In this paper, we propose a fingerprinting positioning system based on power delay profile (PDP). The system...
Dynamic Time Wrapping is a non-linear distance measure solution, widely used in query by humming. This paper have a body of work on cross-sentence retrieval, end point loose, cost function and their improvements to raise DTW performance of query by humming. Based on these researches we build a prototype of hierarchical matching humming system. During the test of database contains 500 songs and 55...
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