An Efficient RFID Data Cleaning Method Based on Wavelet Density Estimation

Abstract

A large number of noise are usually carried in the original RFID data and need to be cleaned up before further processing. Outlier detection is an effective method for RFID data cleaning. In this paper, a point probability data model was proposed to describe the uncertain RFID data streams. The wavelet density threshold was incorporated in this method to… (More)

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