VEGETATION DETECTOR AND RELATED METHOD
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United States of America Patent
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N/A
Issued Date -
Nov 26, 2009
app pub date -
May 21, 2009
filing date -
May 23, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A vegetation detector 10 includes a first imaging section 11, a second imaging section 12, a reflectance ratio calculating section 13, a determining section 14 and a recording section 15. The first imaging section 11 images light with a predetermined wavelength band of near infrared light. The second imaging section 12 images light with a water absorption wavelength band in short wave infrared light. The reflectance ratio calculating section 13 calculates a ratio of the reflectance of light with the near infrared light wavelength band to the light reflectance of light with the water absorption wavelength band as a reflectance ratio. The determining section 14 determines whether observed subjects are vegetations or not by comparing the reflectance ratio calculated by the reflectance ratio calculating section 13 with a threshold value recorded in the recording section 15.
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Cited Art Landscape
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