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Analiza vpliva izbire časovne konstante pri klasifikaciji hrupnih dogodkov z uporabo metode k-središč : zaključna naloga Univerzitetnega študijskega programa I. stopnje Strojništvo - Razvojno raziskovalni programIvanovski, DejanZaključna naloga obravnava različne metode za klasifikacijo zvočnih dogodkov hrupa v okolju. Poseben poudarek je namenjen metodi k - povprečij kot eni izmed najbolj ustreznih algoritmov za obdelavo ... nefonetskih ter neritmičnih zvočnih pojavov. Izvedene meritve pod nadzorovanimi pogoji služijo kot podpora analizi, v kateri smo se osredotočili na vlogo časovne konstante. Za ta namen smo ustvarili programsko kodo v kateri bo potekalo samostojno učenje računalnika na podlagi del pridobiljenihi podatkov. Cilj programa je na osnovi analize narejenih meritev ugotoviti vrednosti značilk za kateri bo izvršena klasifikacija, ter pokazati vpliv spremembe časovne konstante kot orodja za generaliziranje teh vrednosti samega rezultata klasificiranja. Merilne signale na mestu merjenja je zajemal mikrofon, z uporabo A/D pretvornika pa smo jih konvertirali v digitalno obliko, primerno za računsko analiziranje. Po ustrezni obdelavi v programskem jeziku "Python", smo imeli možnost ugotviti, da časovna konstanta močno vpliva na nabor podatkov, ki se uporabljajo pri strojnem učenju, ter pri rezultatih kvalitete zaznavanja. Za prikaz rezultatov smo uporabljali t.i. matriko zmede ki predstavlja eno od metod za vizualiziranju uspešnosti klasifikatorja.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [D. Ivanovski], 2021Language - slovenianCOBISS.SI-ID - 84052995
Author
Ivanovski, Dejan
Other authors
Prezelj, Jurij, strojnik
Topics
diplomske naloge |
hrup |
procesiranje zvočnih signalov |
klasifikacija zvočnih podatkov |
k - povprečja |
matrika zmede |
thesis |
noise |
audio signal processing |
classification of audio data |
k-means |
confusion matrix
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Library/institution |
City | Acronym | For loan | Other holdings |
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Faculty of Mechanical Engineering, Ljubljana | Ljubljana | FSLJ |
reading room 1 cop.
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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Ivanovski, Dejan | ![]() |
Prezelj, Jurij, strojnik | 20857 |
Source: Personal bibliographies
and: SICRIS
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