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Correction

Correction: Zhao, H., et al. Automatic Estimation of Crop Disease Severity Levels Based on Vegetation Index Normalization. Remote Sensing 2020, 12, 1930

1
College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China
2
State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Beijing 100083, China
3
United States Department of Agriculture-Agricultural Research Service, Aerial Application Technology Research Unit, College Station, TX 77845, USA
4
Anhui Engineering Laboratory of Agro-Ecological Big Data, Anhui University, Hefei 230601, Anhui, China
5
College of Information and Management Science, Henan Agricultural University, Zhengzhou 450002, Henan, China
6
Key Laboratory of Oasis Eco Agriculture, Xinjiang Production and Construction Group, Shihezi University, Shihezi 832003, Xinjiang, China
7
Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China
*
Author to whom correspondence should be addressed.
Remote Sens. 2020, 12(22), 3761; https://doi.org/10.3390/rs12223761
Submission received: 4 May 2020 / Accepted: 12 June 2020 / Published: 16 November 2020
The authors wish to make the following correction to this paper [1]. Formula (1)
X norm = X X min X max X min
should be replaced with
X norm = X max X X max X min
The authors would like to apologize for any inconvenience caused to the readers by these changes.

References

  1. Zhao, H.; Yang, C.; Guo, W.; Zhang, L.; Zhang, D. Automatic estimation of crop disease severity levels based on vegetation index normalization. Remote Sens. 2020, 12, 1930. [Google Scholar] [CrossRef]
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MDPI and ACS Style

Zhao, H.; Yang, C.; Guo, W.; Zhang, L.; Zhang, D. Correction: Zhao, H., et al. Automatic Estimation of Crop Disease Severity Levels Based on Vegetation Index Normalization. Remote Sensing 2020, 12, 1930. Remote Sens. 2020, 12, 3761. https://doi.org/10.3390/rs12223761

AMA Style

Zhao H, Yang C, Guo W, Zhang L, Zhang D. Correction: Zhao, H., et al. Automatic Estimation of Crop Disease Severity Levels Based on Vegetation Index Normalization. Remote Sensing 2020, 12, 1930. Remote Sensing. 2020; 12(22):3761. https://doi.org/10.3390/rs12223761

Chicago/Turabian Style

Zhao, Hengqian, Chenghai Yang, Wei Guo, Lifu Zhang, and Dongyan Zhang. 2020. "Correction: Zhao, H., et al. Automatic Estimation of Crop Disease Severity Levels Based on Vegetation Index Normalization. Remote Sensing 2020, 12, 1930" Remote Sensing 12, no. 22: 3761. https://doi.org/10.3390/rs12223761

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