Wang et al., 2007 - Google Patents
A real-time, embedded, weed-detection system for use in wheat fieldsWang et al., 2007
- Document ID
- 9934868446381393509
- Author
- Wang N
- Zhang N
- Wei J
- Stoll Q
- Peterson D
- Publication year
- Publication venue
- Biosystems Engineering
External Links
Snippet
Two optical weed sensors and their control modules (a central-control module, a global positioning system unit, and a spray-control module) were successfully integrated into a real- time, embedded system. The system components were networked using a controller area …
- 238000001514 detection method 0 title abstract description 52
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
- G01N2021/3155—Measuring in two spectral ranges, e.g. UV and visible
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