Image processing in automated measurements of raindrop size and distribution
A rapid method for evaluating raindrop size and size distribution has been developed. It is based on image processing with correlation analysis in the frequency domain. This technique has the advantage of being a direct measurement method that automatically identifies and counts raindrops. Calibrati...
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| Veröffentlicht in: | Computers and electronics in agriculture 1999-09, Vol.23 (3), p.205-217 |
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| container_title | Computers and electronics in agriculture |
| container_volume | 23 |
| creator | Cruvinel, Paulo Estevão Vieira, Sidney Rosa Crestana, Silvio Minatel, Edson Roberto Mucheroni, Marcos Luiz Neto, André Torre |
| description | A rapid method for evaluating raindrop size and size distribution has been developed. It is based on image processing with correlation analysis in the frequency domain. This technique has the advantage of being a direct measurement method that automatically identifies and counts raindrops. Calibration was carried out using a standard image with known raindrop sizes. Drop sizes, ranging from less than 0.1 to over 85 mm in diameter, have been automatically recognized and successfully measured. Error was not larger than 1.5%. In addition, practical examples of use of the method for determining characteristics of raindrops in rainfall are presented. |
| doi_str_mv | 10.1016/S0168-1699(99)00043-5 |
| format | Article |
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| identifier | ISSN: 0168-1699 |
| ispartof | Computers and electronics in agriculture, 1999-09, Vol.23 (3), p.205-217 |
| issn | 0168-1699 1872-7107 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Agronomy. Soil science and plant productions Biological and medical sciences CONSERVACION DE SUELOS CONSERVATION DES SOLS Correlation analysis Fundamental and applied biological sciences. Psychology IMAGENES IMAGERIE IMAGERY LLUVIA MEASUREMENT MEDICION MESURE PLUIE RAIN Raindrop measurements SOIL CONSERVATION Soil erosion, conservation, land management and development Soil science |
| title | Image processing in automated measurements of raindrop size and distribution |
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