Könyv Speech Recognition Using the Mellin Transform Jesse R Hornback

Speech Recognition Using the Mellin Transform

Szerző: Jesse R Hornback
Nyelv: Angol
Kötés: Puha kötésű
Kiadó: Biblioscholar
Elérhetőség: 50 % esély
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23 211 Ft
The purpose of this research was to improve performance in speech recognition. Specifically, a new a...

Információk a könyvről

Nyelv
Angol
Kötés
Könyv - Puha kötésű
Kiadva
2012
oldal
78
EAN
9781288327874
ISBN
9781288327874
Enbook ID
08243881
Kiadó
Súly
154
Méretek
189 x 246 x 4

Teljes leírás

The purpose of this research was to improve performance in speech recognition. Specifically, a new approach was investigating by applying an integral transform known as the Mellin transform (MT) on the output of an auditory model to improve the recognition rate of phonemes through the scale-invariance property of the Mellin transform. Scale-invariance means that as a time-domain signal is subjected to dilations, the distribution of the signal in the MT domain remains unaffected. An auditory model was used to transform speech waveforms into images representing how the brain "sees" a sound. The MT was applied and features were extracted. The features were used in a speech recognizer based on Hidden Markov Models. The results from speech recognition experiments showed an increase in recognition rates for some phonemes compared to traditional methods.

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