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Color Indices for Weed Identification Under Various Soil, Residue, and Lighting Conditions
Abstract
Color slide images of weeds among various soils and residues were digitized and analyzed for red, green, and blue (RGB) color content. Red, green, and blue chromatic coordinates (rgb) of plants were very different from those of background soils and residue. To distinguish living plant material from a nonplant background, several indices of chromatic coordinates were studied, tested, and were successful in identifying weeds. The indices included r-g, g-b, (g-b)/ |r-g|, and 2g-r-b. A modified hue was also used to distinguish weeds from non-plant surfaces. The modified hue, 2g-r-b index, and the green chromatic coordinate distinguished weeds from a nonplant background (0.05 level of significance) better than other indices. However, the modified hue was the most computationally intense. These indices worked well for both nonshaded and shaded sunlit conditions. These indices could be used for sensor design for detecting weeds for spot spraying control.
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Cited by
A survey of image processing techniques for plant extraction and segmentation in the field
Hamuda, E., Glavin, M., & Jones, E. (2016) · Computers and Electronics in Agriculture · doi:10.1016/j.compag.2016.04.024 · Cited by 587
Many Little Hammers: Ecological Management of Crop-Weed Interactions
Liebman, M., & Gallandt, E. R. (1997) · Ecology in Agriculture · doi:10.1016/b978-012378260-1/50010-5 · Cited by 328
Dang, F., Chen, D., Lu, Y., & Li, Z. (2023) · Computers and Electronics in Agriculture · doi:10.1016/j.compag.2023.107655 · Cited by 313
Hamuda, E., Mc Ginley, B., Glavin, M., & Jones, E. (2017) · Computers and Electronics in Agriculture · doi:10.1016/j.compag.2016.11.021 · Cited by 267
(2006) · OpenAgrar · Cited by 25
Metadata
- Authors
- Woebbecke, D. M., Meyer, G. E., Bargen, K. V., & Mortensen, D. A.
- Venue
- Transactions of the ASAE
- Published
- 1995
- Volume
- 38
- Issue
- 1
- Pages
- 259-269
- ISSN
- 0001-2351 (ISSN-L)
- 2151-0059
- OpenAlex
- W2163450852
- Cited by
- 1,537
- References
- 0
- FWCI
- 4.04
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Color Indices for Weed Identification Under Various Soil, Residue, and Lighting Conditions. https://app.cochat.ai/papers/10.13031/2013.27838
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- Woebbecke, D. M., Meyer, G. E., Bargen, K. V., & Mortensen, D. A. (1995). Color Indices for Weed Identification Under Various Soil, Residue, and Lighting Conditions. Transactions of the ASAE. https://doi.org/10.13031/2013.27838
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