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Estimation of the amplitude of the signal for the active optical gesture sensor with sparse detectors
Abstrakt
In this paper we deal with the problem of precise gesture recognition for the active optical proximity sensor with sparse 8 photodiodes. We particularly focus on developing the method of estimating the real, usually not observable, maximum signal value representing maximum intensity of light reflected from an obstacle present in the front of the sensor. Different configurations of the fingers were used as an obstacle. The Monte Carlo simulations were performed in order to cognize the accurate pattern created by fingers of considered configurations. The accurate description of curves representing finger profiles was obtained after applying the least squares method. The results of analyzes proved that finger arrangement configurations, particularly 1 finger and 2 jointed fingers, can be considered as sources of Gaussian like shapes on the face of the sensor. Therefore, data measured by 8 sparse photodiodes of the active optical gesture sensor were compared to normal distribution curves. The results of the comparison allow normalization of the measured data and the estimation of the real, usually not observable, maximum signal value. The results and discussion sections of the paper present the average detection accuracy, advantages and limitations of the proposed approach.
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Informacje szczegółowe
- Kategoria:
- Aktywność konferencyjna
- Typ:
- materiały konferencyjne indeksowane w Web of Science
- Tytuł wydania:
- Human System Interactions (HSI), 2016 9th International Conference on strony 483 - 489
- Język:
- angielski
- Rok wydania:
- 2016
- Opis bibliograficzny:
- Czuszyński K., Rumiński J., Poliński A., Bujnowski A..: Estimation of the amplitude of the signal for the active optical gesture sensor with sparse detectors, W: Human System Interactions (HSI), 2016 9th International Conference on, 2016, IEEE,.
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/hsi.2016.7529678
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 62 razy