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Identificazione degli elettrodomestici
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ISBN10: 6202416475
ISBN13: 9786202416474
Publisher: Edizioni Sapienza
Published: Aug 15 2025
Pages: 84
Weight: 0.27
Height: 0.20 Width: 6.00 Depth: 9.00
Language: Italian
ISBN13: 9786202416474
Publisher: Edizioni Sapienza
Published: Aug 15 2025
Pages: 84
Weight: 0.27
Height: 0.20 Width: 6.00 Depth: 9.00
Language: Italian
L'obiettivo di questo lavoro è proporre un nuovo sistema di identificazione degli apparecchi elettrici domestici. Il nostro primo contributo è quello di proporre un sistema di identificazione basato sull'uso di parametri statistici delle armoniche e sull'applicazione del classificatore KNN combinato con il metodo della regola di voto. I risultati ottenuti mostrano che l'estrazione di 500 parametri, basata sulla stima della media statistica e della deviazione standard, combinata con la classificazione KNN e la strategia della regola di voto, fornisce il miglior tasso di classificazione CR del 94,97%. Il nostro secondo contributo consiste nel ridurre la dimensionalità utilizzando una rappresentazione compatta dei parametri (chiamata DWE) che si basa sulla stima della media e della deviazione standard dell'energia calcolata a ogni livello di decomposizione diadica dell'analisi wavelet. Da questa analisi vengono estratti anche due descrittori chiamati LWE e WCC, applicando rispettivamente il logaritmo dell'energia totale e la trasformata discreta del coseno. I risultati ottenuti mostrano che il descrittore WCC fornisce un CR massimo del 98,13%.
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