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Sensor for distance estimation using FFT of images
| Título | Sensor for distance estimation using FFT of images |
| Tipo de publicación | Journal Article |
| Año de publicación | 2009 |
| Autores | Lazaro, JL, Cano, A, Fernández, PR, Luna, CA |
| Idioma de publicación | English |
| Revista académica | Sensors |
| Volumen | 9 |
| Número | 12 |
| Páginas | 10434-10446 |
| Fecha de publicación | 12/2009 |
| Rank in category | 11/56 |
| JCR Category | Instruments & Instrumentation |
| JCR Impact Factor | 1.870 |
| ISSN | 1424-8220 |
| URL | http://www.mdpi.com/1424-8220/9/12/10434/ |
| DOI | 10.3390/s91210434 |
| Resumen | In this paper, the problem of how to estimate the distance between an infrared emitter diode (IRED) and a camera from pixel grey-level intensities is examined from a practical standpoint. Magnitudes that affect grey level intensity were defined and related to the zero frequency component from the FFT image. A general model was also described and tested for distance estimation over the range from 420 to 800 cm using a differential methodology. Method accuracy is over 3%. |
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